scsi: qla2xxx: Update flash read/write routine
authorJoe Carnuccio <joe.carnuccio@cavium.com>
Tue, 12 Mar 2019 18:08:18 +0000 (11:08 -0700)
committerMartin K. Petersen <martin.petersen@oracle.com>
Tue, 19 Mar 2019 16:22:55 +0000 (12:22 -0400)
This patch makes following changes to flash access routines:

- update return type for read_optrom
- use void instead of uint32_t * for buffer parameter in read
  and write optrom routines
- fix flash/nvram addressing

Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/qla2xxx/qla_attr.c
drivers/scsi/qla2xxx/qla_def.h
drivers/scsi/qla2xxx/qla_gbl.h
drivers/scsi/qla2xxx/qla_init.c
drivers/scsi/qla2xxx/qla_nx.c
drivers/scsi/qla2xxx/qla_nx2.c
drivers/scsi/qla2xxx/qla_sup.c

index e762e60..35f7804 100644 (file)
@@ -223,9 +223,9 @@ qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
        }
 
        /* Write NVRAM. */
-       ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->nvram_base, count);
-       ha->isp_ops->read_nvram(vha, (uint8_t *)ha->nvram, ha->nvram_base,
-            count);
+       ha->isp_ops->write_nvram(vha, buf, ha->nvram_base, count);
+       ha->isp_ops->read_nvram(vha, ha->nvram, ha->nvram_base,
+           count);
        mutex_unlock(&ha->optrom_mutex);
 
        ql_dbg(ql_dbg_user, vha, 0x7060,
@@ -511,22 +511,24 @@ qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
        if (!capable(CAP_SYS_ADMIN))
                return -EINVAL;
 
-       if (IS_NOCACHE_VPD_TYPE(ha)) {
-               faddr = ha->flt_region_vpd << 2;
+       if (IS_NOCACHE_VPD_TYPE(ha))
+               goto skip;
 
-               if ((IS_QLA27XX(ha) || IS_QLA28XX(ha)) &&
-                   qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
-                       faddr = ha->flt_region_vpd_sec << 2;
+       faddr = ha->flt_region_vpd << 2;
 
-               mutex_lock(&ha->optrom_mutex);
-               if (qla2x00_chip_is_down(vha)) {
-                       mutex_unlock(&ha->optrom_mutex);
-                       return -EAGAIN;
-               }
-               ha->isp_ops->read_optrom(vha, ha->vpd, faddr,
-                   ha->vpd_size);
+       if ((IS_QLA27XX(ha) || IS_QLA28XX(ha)) &&
+           qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
+               faddr = ha->flt_region_vpd_sec << 2;
+
+       mutex_lock(&ha->optrom_mutex);
+       if (qla2x00_chip_is_down(vha)) {
                mutex_unlock(&ha->optrom_mutex);
+               return -EAGAIN;
        }
+
+       ha->isp_ops->read_optrom(vha, ha->vpd, faddr, ha->vpd_size);
+       mutex_unlock(&ha->optrom_mutex);
+skip:
        return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
 }
 
@@ -563,8 +565,8 @@ qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
        }
 
        /* Write NVRAM. */
-       ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
-       ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
+       ha->isp_ops->write_nvram(vha, buf, ha->vpd_base, count);
+       ha->isp_ops->read_nvram(vha, ha->vpd, ha->vpd_base, count);
 
        /* Update flash version information for 4Gb & above. */
        if (!IS_FWI2_CAPABLE(ha)) {
@@ -934,7 +936,7 @@ static struct bin_attribute sysfs_dcbx_tlv_attr = {
 static struct sysfs_entry {
        char *name;
        struct bin_attribute *attr;
-       int is4GBp_only;
+       int type;
 } bin_file_entries[] = {
        { "fw_dump", &sysfs_fw_dump_attr, },
        { "nvram", &sysfs_nvram_attr, },
@@ -957,11 +959,11 @@ qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
        int ret;
 
        for (iter = bin_file_entries; iter->name; iter++) {
-               if (iter->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
+               if (iter->type && !IS_FWI2_CAPABLE(vha->hw))
                        continue;
-               if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
+               if (iter->type == 2 && !IS_QLA25XX(vha->hw))
                        continue;
-               if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
+               if (iter->type == 3 && !(IS_CNA_CAPABLE(vha->hw)))
                        continue;
 
                ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
@@ -985,14 +987,14 @@ qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon)
        struct qla_hw_data *ha = vha->hw;
 
        for (iter = bin_file_entries; iter->name; iter++) {
-               if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
+               if (iter->type && !IS_FWI2_CAPABLE(ha))
                        continue;
-               if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
+               if (iter->type == 2 && !IS_QLA25XX(ha))
                        continue;
-               if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw)))
+               if (iter->type == 3 && !(IS_CNA_CAPABLE(ha)))
                        continue;
-               if (iter->is4GBp_only == 0x27 &&
-                   (!IS_QLA27XX(vha->hw) || !IS_QLA28XX(ha)))
+               if (iter->type == 0x27 &&
+                   (!IS_QLA27XX(ha) || !IS_QLA28XX(ha)))
                        continue;
 
                sysfs_remove_bin_file(&host->shost_gendev.kobj,
@@ -1360,19 +1362,20 @@ qla24xx_84xx_fw_version_show(struct device *dev,
        struct device_attribute *attr, char *buf)
 {
        int rval = QLA_SUCCESS;
-       uint16_t status[2] = {0, 0};
+       uint16_t status[2] = { 0 };
        scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
        struct qla_hw_data *ha = vha->hw;
 
        if (!IS_QLA84XX(ha))
                return scnprintf(buf, PAGE_SIZE, "\n");
 
-       if (ha->cs84xx->op_fw_version == 0)
+       if (!ha->cs84xx->op_fw_version) {
                rval = qla84xx_verify_chip(vha, status);
 
-       if ((rval == QLA_SUCCESS) && (status[0] == 0))
-               return scnprintf(buf, PAGE_SIZE, "%u\n",
-                       (uint32_t)ha->cs84xx->op_fw_version);
+               if (!rval && !status[0])
+                       return scnprintf(buf, PAGE_SIZE, "%u\n",
+                           (uint32_t)ha->cs84xx->op_fw_version);
+       }
 
        return scnprintf(buf, PAGE_SIZE, "\n");
 }
index cf2f597..ac229cf 100644 (file)
@@ -3161,9 +3161,9 @@ struct isp_operations {
        void *(*prep_ms_fdmi_iocb) (struct scsi_qla_host *, uint32_t,
            uint32_t);
 
-       uint8_t *(*read_nvram) (struct scsi_qla_host *, uint8_t *,
+       uint8_t *(*read_nvram)(struct scsi_qla_host *, void *,
                uint32_t, uint32_t);
-       int (*write_nvram) (struct scsi_qla_host *, uint8_t *, uint32_t,
+       int (*write_nvram)(struct scsi_qla_host *, void *, uint32_t,
                uint32_t);
 
        void (*fw_dump) (struct scsi_qla_host *, int);
@@ -3172,9 +3172,9 @@ struct isp_operations {
        int (*beacon_off) (struct scsi_qla_host *);
        void (*beacon_blink) (struct scsi_qla_host *);
 
-       uint8_t * (*read_optrom) (struct scsi_qla_host *, uint8_t *,
+       void *(*read_optrom)(struct scsi_qla_host *, void *,
                uint32_t, uint32_t);
-       int (*write_optrom) (struct scsi_qla_host *, uint8_t *, uint32_t,
+       int (*write_optrom)(struct scsi_qla_host *, void *, uint32_t,
                uint32_t);
 
        int (*get_flash_version) (struct scsi_qla_host *, void *);
index a222997..f00f1d2 100644 (file)
@@ -543,19 +543,20 @@ fc_port_t *qla2x00_find_fcport_by_nportid(scsi_qla_host_t *, port_id_t *, u8);
  */
 extern void qla2x00_release_nvram_protection(scsi_qla_host_t *);
 extern uint32_t *qla24xx_read_flash_data(scsi_qla_host_t *, uint32_t *,
-                                        uint32_t, uint32_t);
-extern uint8_t *qla2x00_read_nvram_data(scsi_qla_host_t *, uint8_t *, uint32_t,
-                                       uint32_t);
-extern uint8_t *qla24xx_read_nvram_data(scsi_qla_host_t *, uint8_t *, uint32_t,
-                                       uint32_t);
-extern int qla2x00_write_nvram_data(scsi_qla_host_t *, uint8_t *, uint32_t,
-                                   uint32_t);
-extern int qla24xx_write_nvram_data(scsi_qla_host_t *, uint8_t *, uint32_t,
-                                   uint32_t);
-extern uint8_t *qla25xx_read_nvram_data(scsi_qla_host_t *, uint8_t *, uint32_t,
-                                       uint32_t);
-extern int qla25xx_write_nvram_data(scsi_qla_host_t *, uint8_t *, uint32_t,
-                                   uint32_t);
+    uint32_t, uint32_t);
+extern uint8_t *qla2x00_read_nvram_data(scsi_qla_host_t *, void *, uint32_t,
+    uint32_t);
+extern uint8_t *qla24xx_read_nvram_data(scsi_qla_host_t *, void *, uint32_t,
+    uint32_t);
+extern int qla2x00_write_nvram_data(scsi_qla_host_t *, void *, uint32_t,
+    uint32_t);
+extern int qla24xx_write_nvram_data(scsi_qla_host_t *, void *, uint32_t,
+    uint32_t);
+extern uint8_t *qla25xx_read_nvram_data(scsi_qla_host_t *, void *, uint32_t,
+    uint32_t);
+extern int qla25xx_write_nvram_data(scsi_qla_host_t *, void *, uint32_t,
+    uint32_t);
+
 extern int qla2x00_is_a_vp_did(scsi_qla_host_t *, uint32_t);
 bool qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *, uint32_t);
 bool qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *, uint16_t);
@@ -575,18 +576,18 @@ extern int qla83xx_restart_nic_firmware(scsi_qla_host_t *);
 extern int qla83xx_access_control(scsi_qla_host_t *, uint16_t, uint32_t,
                                  uint32_t, uint16_t *);
 
-extern uint8_t *qla2x00_read_optrom_data(struct scsi_qla_host *, uint8_t *,
+extern void *qla2x00_read_optrom_data(struct scsi_qla_host *, void *,
                                         uint32_t, uint32_t);
-extern int qla2x00_write_optrom_data(struct scsi_qla_host *, uint8_t *,
+extern int qla2x00_write_optrom_data(struct scsi_qla_host *, void *,
                                     uint32_t, uint32_t);
-extern uint8_t *qla24xx_read_optrom_data(struct scsi_qla_host *, uint8_t *,
+extern void *qla24xx_read_optrom_data(struct scsi_qla_host *, void *,
                                         uint32_t, uint32_t);
-extern int qla24xx_write_optrom_data(struct scsi_qla_host *, uint8_t *,
+extern int qla24xx_write_optrom_data(struct scsi_qla_host *, void *,
                                     uint32_t, uint32_t);
-extern uint8_t *qla25xx_read_optrom_data(struct scsi_qla_host *, uint8_t *,
+extern void *qla25xx_read_optrom_data(struct scsi_qla_host *, void *,
                                         uint32_t, uint32_t);
-extern uint8_t *qla8044_read_optrom_data(struct scsi_qla_host *,
-                                        uint8_t *, uint32_t, uint32_t);
+extern void *qla8044_read_optrom_data(struct scsi_qla_host *,
+                                        void *, uint32_t, uint32_t);
 extern void qla8044_watchdog(struct scsi_qla_host *vha);
 
 extern int qla2x00_get_flash_version(scsi_qla_host_t *, void *);
@@ -766,9 +767,9 @@ extern int qla82xx_start_firmware(scsi_qla_host_t *);
 
 /* Firmware and flash related functions */
 extern int qla82xx_load_risc(scsi_qla_host_t *, uint32_t *);
-extern uint8_t *qla82xx_read_optrom_data(struct scsi_qla_host *, uint8_t *,
+extern void *qla82xx_read_optrom_data(struct scsi_qla_host *, void *,
                                         uint32_t, uint32_t);
-extern int qla82xx_write_optrom_data(struct scsi_qla_host *, uint8_t *,
+extern int qla82xx_write_optrom_data(struct scsi_qla_host *, void *,
                                     uint32_t, uint32_t);
 
 /* Mailbox related functions */
@@ -864,7 +865,7 @@ extern void qla8044_clear_drv_active(struct qla_hw_data *);
 void qla8044_get_minidump(struct scsi_qla_host *vha);
 int qla8044_collect_md_data(struct scsi_qla_host *vha);
 extern int qla8044_md_get_template(scsi_qla_host_t *);
-extern int qla8044_write_optrom_data(struct scsi_qla_host *, uint8_t *,
+extern int qla8044_write_optrom_data(struct scsi_qla_host *, void *,
                                     uint32_t, uint32_t);
 extern irqreturn_t qla8044_intr_handler(int, void *);
 extern void qla82xx_mbx_completion(scsi_qla_host_t *, uint16_t);
index 24fc0a5..158ec5a 100644 (file)
@@ -4419,9 +4419,8 @@ qla2x00_nvram_config(scsi_qla_host_t *vha)
            nv->nvram_version < 1) {
                /* Reset NVRAM data. */
                ql_log(ql_log_warn, vha, 0x0064,
-                   "Inconsistent NVRAM "
-                   "detected: checksum=0x%x id=%c version=0x%x.\n",
-                   chksum, nv->id[0], nv->nvram_version);
+                   "Inconsistent NVRAM detected: checksum=%#x id=%.4s version=%#x.\n",
+                   chksum, nv->id, nv->nvram_version);
                ql_log(ql_log_warn, vha, 0x0065,
                    "Falling back to "
                    "functioning (yet invalid -- WWPN) defaults.\n");
@@ -7007,13 +7006,12 @@ qla24xx_nvram_config(scsi_qla_host_t *vha)
 
        /* Get VPD data into cache */
        ha->vpd = ha->nvram + VPD_OFFSET;
-       ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
+       ha->isp_ops->read_nvram(vha, ha->vpd,
            ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
 
        /* Get NVRAM data into cache and calculate checksum. */
        dptr = (uint32_t *)nv;
-       ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
-           ha->nvram_size);
+       ha->isp_ops->read_nvram(vha, dptr, ha->nvram_base, ha->nvram_size);
        for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
                chksum += le32_to_cpu(*dptr);
 
@@ -7027,9 +7025,9 @@ qla24xx_nvram_config(scsi_qla_host_t *vha)
            le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
                /* Reset NVRAM data. */
                ql_log(ql_log_warn, vha, 0x006b,
-                   "Inconsistent NVRAM detected: checksum=0x%x id=%c "
-                   "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
-               ql_dump_buffer(ql_dbg_init, vha, 0x006b, nv, 32);
+                   "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
+                   chksum, nv->id, nv->nvram_version);
+               ql_dump_buffer(ql_dbg_init, vha, 0x006b, nv, sizeof(*nv));
                ql_log(ql_log_warn, vha, 0x006c,
                    "Falling back to functioning (yet invalid -- WWPN) "
                    "defaults.\n");
@@ -7418,6 +7416,7 @@ qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
                fwdt->template = NULL;
                fwdt->length = 0;
 
+               dcode = (void *)req->ring;
                qla24xx_read_flash_data(vha, dcode, faddr, 7);
                risc_size = be32_to_cpu(dcode[2]);
                ql_dbg(ql_dbg_init, vha, 0x0161,
@@ -8020,10 +8019,9 @@ qla81xx_nvram_config(scsi_qla_host_t *vha)
            le16_to_cpu(nv->nvram_version) < ICB_VERSION) {
                /* Reset NVRAM data. */
                ql_log(ql_log_info, vha, 0x0073,
-                   "Inconsistent NVRAM detected: checksum=0x%x id=%c "
-                   "version=0x%x.\n", chksum, nv->id[0],
-                   le16_to_cpu(nv->nvram_version));
-               ql_dump_buffer(ql_dbg_init, vha, 0x0073, nv, 32);
+                   "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n",
+                   chksum, nv->id, le16_to_cpu(nv->nvram_version));
+               ql_dump_buffer(ql_dbg_init, vha, 0x0073, nv, sizeof(*nv));
                ql_log(ql_log_info, vha, 0x0074,
                    "Falling back to functioning (yet invalid -- WWPN) "
                    "defaults.\n");
index f2f5480..d545d34 100644 (file)
@@ -2658,8 +2658,8 @@ done:
 /*
  * Address and length are byte address
  */
-uint8_t *
-qla82xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
+void *
+qla82xx_read_optrom_data(struct scsi_qla_host *vha, void *buf,
        uint32_t offset, uint32_t length)
 {
        scsi_block_requests(vha->host);
@@ -2767,15 +2767,14 @@ write_done:
 }
 
 int
-qla82xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
+qla82xx_write_optrom_data(struct scsi_qla_host *vha, void *buf,
        uint32_t offset, uint32_t length)
 {
        int rval;
 
        /* Suspend HBA. */
        scsi_block_requests(vha->host);
-       rval = qla82xx_write_flash_data(vha, (uint32_t *)buf, offset,
-               length >> 2);
+       rval = qla82xx_write_flash_data(vha, buf, offset, length >> 2);
        scsi_unblock_requests(vha->host);
 
        /* Convert return ISP82xx to generic */
@@ -3699,8 +3698,8 @@ qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha)
                spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
                /* Wait for pending cmds (physical and virtual) to complete */
-               if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
-                   WAIT_HOST)) {
+               if (!qla2x00_eh_wait_for_pending_commands(vha, 0, 0,
+                   WAIT_HOST) == QLA_SUCCESS) {
                        ql_dbg(ql_dbg_init, vha, 0x00b3,
                            "Done wait for "
                            "pending commands.\n");
index fe856b6..691f81d 100644 (file)
@@ -559,12 +559,12 @@ exit_lock_error:
 /*
  * Address and length are byte address
  */
-uint8_t *
-qla8044_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
+void *
+qla8044_read_optrom_data(struct scsi_qla_host *vha, void *buf,
        uint32_t offset, uint32_t length)
 {
        scsi_block_requests(vha->host);
-       if (qla8044_read_flash_data(vha, (uint8_t *)buf, offset, length / 4)
+       if (qla8044_read_flash_data(vha, buf, offset, length / 4)
            != QLA_SUCCESS) {
                ql_log(ql_log_warn, vha,  0xb08d,
                    "%s: Failed to read from flash\n",
@@ -3797,7 +3797,7 @@ qla8044_write_flash_dword_mode(scsi_qla_host_t *vha, uint32_t *dwptr,
 }
 
 int
-qla8044_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
+qla8044_write_optrom_data(struct scsi_qla_host *vha, void *buf,
                          uint32_t offset, uint32_t length)
 {
        int rval = QLA_FUNCTION_FAILED, i, burst_iter_count;
index 9c3abe2..eb4514a 100644 (file)
@@ -429,66 +429,64 @@ qla2x00_set_nvram_protection(struct qla_hw_data *ha, int stat)
 static inline uint32_t
 flash_conf_addr(struct qla_hw_data *ha, uint32_t faddr)
 {
-       return ha->flash_conf_off | faddr;
+       return ha->flash_conf_off + faddr;
 }
 
 static inline uint32_t
 flash_data_addr(struct qla_hw_data *ha, uint32_t faddr)
 {
-       return ha->flash_data_off | faddr;
+       return ha->flash_data_off + faddr;
 }
 
 static inline uint32_t
 nvram_conf_addr(struct qla_hw_data *ha, uint32_t naddr)
 {
-       return ha->nvram_conf_off | naddr;
+       return ha->nvram_conf_off + naddr;
 }
 
 static inline uint32_t
 nvram_data_addr(struct qla_hw_data *ha, uint32_t naddr)
 {
-       return ha->nvram_data_off | naddr;
+       return ha->nvram_data_off + naddr;
 }
 
-static uint32_t
-qla24xx_read_flash_dword(struct qla_hw_data *ha, uint32_t addr)
+static int
+qla24xx_read_flash_dword(struct qla_hw_data *ha, uint32_t addr, uint32_t *data)
 {
-       int rval;
-       uint32_t cnt, data;
        struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
+       ulong cnt = 30000;
 
        WRT_REG_DWORD(&reg->flash_addr, addr & ~FARX_DATA_FLAG);
-       /* Wait for READ cycle to complete. */
-       rval = QLA_SUCCESS;
-       for (cnt = 3000;
-           (RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG) == 0 &&
-           rval == QLA_SUCCESS; cnt--) {
-               if (cnt)
-                       udelay(10);
-               else
-                       rval = QLA_FUNCTION_TIMEOUT;
+
+       while (cnt--) {
+               if (RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG) {
+                       *data = RD_REG_DWORD(&reg->flash_data);
+                       return QLA_SUCCESS;
+               }
+               udelay(10);
                cond_resched();
        }
 
-       /* TODO: What happens if we time out? */
-       data = 0xDEADDEAD;
-       if (rval == QLA_SUCCESS)
-               data = RD_REG_DWORD(&reg->flash_data);
-
-       return data;
+       ql_log(ql_log_warn, pci_get_drvdata(ha->pdev), 0x7090,
+           "Flash read dword at %x timeout.\n", addr);
+       *data = 0xDEADDEAD;
+       return QLA_FUNCTION_TIMEOUT;
 }
 
 uint32_t *
 qla24xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
     uint32_t dwords)
 {
-       uint32_t i;
+       ulong i;
        struct qla_hw_data *ha = vha->hw;
 
        /* Dword reads to flash. */
-       for (i = 0; i < dwords; i++, faddr++)
-               dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
-                   flash_data_addr(ha, faddr)));
+       faddr =  flash_data_addr(ha, faddr);
+       for (i = 0; i < dwords; i++, faddr++, dwptr++) {
+               if (qla24xx_read_flash_dword(ha, faddr, dwptr))
+                       break;
+               cpu_to_le32s(dwptr);
+       }
 
        return dwptr;
 }
@@ -496,35 +494,37 @@ qla24xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
 static int
 qla24xx_write_flash_dword(struct qla_hw_data *ha, uint32_t addr, uint32_t data)
 {
-       int rval;
-       uint32_t cnt;
        struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
+       ulong cnt = 500000;
 
        WRT_REG_DWORD(&reg->flash_data, data);
-       RD_REG_DWORD(&reg->flash_data);         /* PCI Posting. */
        WRT_REG_DWORD(&reg->flash_addr, addr | FARX_DATA_FLAG);
-       /* Wait for Write cycle to complete. */
-       rval = QLA_SUCCESS;
-       for (cnt = 500000; (RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG) &&
-           rval == QLA_SUCCESS; cnt--) {
-               if (cnt)
-                       udelay(10);
-               else
-                       rval = QLA_FUNCTION_TIMEOUT;
+
+       while (cnt--) {
+               if (!(RD_REG_DWORD(&reg->flash_addr) & FARX_DATA_FLAG))
+                       return QLA_SUCCESS;
+               udelay(10);
                cond_resched();
        }
-       return rval;
+
+       ql_log(ql_log_warn, pci_get_drvdata(ha->pdev), 0x7090,
+           "Flash write dword at %x timeout.\n", addr);
+       return QLA_FUNCTION_TIMEOUT;
 }
 
 static void
 qla24xx_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
     uint8_t *flash_id)
 {
-       uint32_t ids;
+       uint32_t faddr, ids = 0;
 
-       ids = qla24xx_read_flash_dword(ha, flash_conf_addr(ha, 0x03ab));
-       *man_id = LSB(ids);
-       *flash_id = MSB(ids);
+       *man_id = *flash_id = 0;
+
+       faddr = flash_conf_addr(ha, 0x03ab);
+       if (!qla24xx_read_flash_dword(ha, faddr, &ids)) {
+               *man_id = LSB(ids);
+               *flash_id = MSB(ids);
+       }
 
        /* Check if man_id and flash_id are valid. */
        if (ids != 0xDEADDEAD && (*man_id == 0 || *flash_id == 0)) {
@@ -534,9 +534,11 @@ qla24xx_get_flash_manufacturer(struct qla_hw_data *ha, uint8_t *man_id,
                 * Example: ATMEL 0x00 01 45 1F
                 * Extract MFG and Dev ID from last two bytes.
                 */
-               ids = qla24xx_read_flash_dword(ha, flash_conf_addr(ha, 0x009f));
-               *man_id = LSB(ids);
-               *flash_id = MSB(ids);
+               faddr = flash_conf_addr(ha, 0x009f);
+               if (!qla24xx_read_flash_dword(ha, faddr, &ids)) {
+                       *man_id = LSB(ids);
+                       *flash_id = MSB(ids);
+               }
        }
 }
 
@@ -545,12 +547,12 @@ qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start)
 {
        const char *loc, *locations[] = { "DEF", "PCI" };
        uint32_t pcihdr, pcids;
-       uint32_t *dcode;
-       uint8_t *buf, *bcode, last_image;
        uint16_t cnt, chksum, *wptr;
-       struct qla_flt_location *fltl;
        struct qla_hw_data *ha = vha->hw;
        struct req_que *req = ha->req_q_map[0];
+       struct qla_flt_location *fltl = (void *)req->ring;
+       uint32_t *dcode = (void *)req->ring;
+       uint8_t *buf = (void *)req->ring, *bcode,  last_image;
 
        /*
         * FLT-location structure resides after the last PCI region.
@@ -575,11 +577,9 @@ qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start)
                *start = FA_FLASH_LAYOUT_ADDR_28;
                goto end;
        }
+
        /* Begin with first PCI expansion ROM header. */
-       buf = (uint8_t *)req->ring;
-       dcode = (uint32_t *)req->ring;
        pcihdr = 0;
-       last_image = 1;
        do {
                /* Verify PCI expansion ROM header. */
                qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
@@ -604,15 +604,12 @@ qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start)
        } while (!last_image);
 
        /* Now verify FLT-location structure. */
-       fltl = (struct qla_flt_location *)req->ring;
-       qla24xx_read_flash_data(vha, dcode, pcihdr >> 2,
-           sizeof(struct qla_flt_location) >> 2);
-       if (fltl->sig[0] != 'Q' || fltl->sig[1] != 'F' ||
-           fltl->sig[2] != 'L' || fltl->sig[3] != 'T')
+       qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, sizeof(*fltl) >> 2);
+       if (memcmp(fltl->sig, "QFLT", 4))
                goto end;
 
-       wptr = (uint16_t *)req->ring;
-       cnt = sizeof(struct qla_flt_location) >> 1;
+       wptr = (void *)req->ring;
+       cnt = sizeof(*fltl) / sizeof(*wptr);
        for (chksum = 0; cnt--; wptr++)
                chksum += le16_to_cpu(*wptr);
        if (chksum) {
@@ -915,22 +912,19 @@ qla2xxx_get_fdt_info(scsi_qla_host_t *vha)
 #define FLASH_BLK_SIZE_32K     0x8000
 #define FLASH_BLK_SIZE_64K     0x10000
        const char *loc, *locations[] = { "MID", "FDT" };
+       struct qla_hw_data *ha = vha->hw;
+       struct req_que *req = ha->req_q_map[0];
        uint16_t cnt, chksum;
-       uint16_t *wptr;
-       struct qla_fdt_layout *fdt;
+       uint16_t *wptr = (void *)req->ring;
+       struct qla_fdt_layout *fdt = (void *)req->ring;
        uint8_t man_id, flash_id;
        uint16_t mid = 0, fid = 0;
-       struct qla_hw_data *ha = vha->hw;
-       struct req_que *req = ha->req_q_map[0];
 
-       wptr = (uint16_t *)req->ring;
-       fdt = (struct qla_fdt_layout *)req->ring;
-       ha->isp_ops->read_optrom(vha, (uint8_t *)req->ring,
-           ha->flt_region_fdt << 2, OPTROM_BURST_SIZE);
-       if (*wptr == cpu_to_le16(0xffff))
+       qla24xx_read_flash_data(vha, (void *)fdt, ha->flt_region_fdt,
+           OPTROM_BURST_DWORDS);
+       if (le16_to_cpu(*wptr) == 0xffff)
                goto no_flash_data;
-       if (fdt->sig[0] != 'Q' || fdt->sig[1] != 'L' || fdt->sig[2] != 'I' ||
-           fdt->sig[3] != 'D')
+       if (memcmp(fdt->sig, "QLID", 4))
                goto no_flash_data;
 
        for (cnt = 0, chksum = 0; cnt < sizeof(*fdt) >> 1; cnt++, wptr++)
@@ -1022,8 +1016,7 @@ qla2xxx_get_idc_param(scsi_qla_host_t *vha)
                return;
 
        wptr = (uint32_t *)req->ring;
-       ha->isp_ops->read_optrom(vha, (uint8_t *)req->ring,
-               QLA82XX_IDC_PARAM_ADDR , 8);
+       ha->isp_ops->read_optrom(vha, req->ring, QLA82XX_IDC_PARAM_ADDR, 8);
 
        if (*wptr == cpu_to_le32(0xffffffff)) {
                ha->fcoe_dev_init_timeout = QLA82XX_ROM_DEV_INIT_TIMEOUT;
@@ -1085,8 +1078,8 @@ qla2xxx_flash_npiv_conf(scsi_qla_host_t *vha)
        if (IS_QLA8044(ha))
                return;
 
-       ha->isp_ops->read_optrom(vha, (uint8_t *)&hdr,
-           ha->flt_region_npiv_conf << 2, sizeof(struct qla_npiv_header));
+       ha->isp_ops->read_optrom(vha, &hdr, ha->flt_region_npiv_conf << 2,
+           sizeof(struct qla_npiv_header));
        if (hdr.version == cpu_to_le16(0xffff))
                return;
        if (hdr.version != cpu_to_le16(1)) {
@@ -1105,8 +1098,8 @@ qla2xxx_flash_npiv_conf(scsi_qla_host_t *vha)
                return;
        }
 
-       ha->isp_ops->read_optrom(vha, (uint8_t *)data,
-           ha->flt_region_npiv_conf << 2, NPIV_CONFIG_SIZE);
+       ha->isp_ops->read_optrom(vha, data, ha->flt_region_npiv_conf << 2,
+           NPIV_CONFIG_SIZE);
 
        cnt = (sizeof(hdr) + le16_to_cpu(hdr.entries) * sizeof(*entry)) >> 1;
        for (wptr = data, chksum = 0; cnt--; wptr++)
@@ -1143,10 +1136,8 @@ qla2xxx_flash_npiv_conf(scsi_qla_host_t *vha)
                vid.node_name = wwn_to_u64(entry->node_name);
 
                ql_dbg(ql_dbg_user, vha, 0x7093,
-                   "NPIV[%02x]: wwpn=%llx "
-                   "wwnn=%llx vf_id=0x%x Q_qos=0x%x F_qos=0x%x.\n", cnt,
-                   (unsigned long long)vid.port_name,
-                   (unsigned long long)vid.node_name,
+                   "NPIV[%02x]: wwpn=%llx wwnn=%llx vf_id=%#x Q_qos=%#x F_qos=%#x.\n",
+                   cnt, vid.port_name, vid.node_name,
                    le16_to_cpu(entry->vf_id),
                    entry->q_qos, entry->f_qos);
 
@@ -1154,10 +1145,8 @@ qla2xxx_flash_npiv_conf(scsi_qla_host_t *vha)
                        vport = fc_vport_create(vha->host, 0, &vid);
                        if (!vport)
                                ql_log(ql_log_warn, vha, 0x7094,
-                                   "NPIV-Config Failed to create vport [%02x]: "
-                                   "wwpn=%llx wwnn=%llx.\n", cnt,
-                                   (unsigned long long)vid.port_name,
-                                   (unsigned long long)vid.node_name);
+                                   "NPIV-Config Failed to create vport [%02x]: wwpn=%llx wwnn=%llx.\n",
+                                   cnt, vid.port_name, vid.node_name);
                }
        }
 done:
@@ -1192,9 +1181,10 @@ done:
 static int
 qla24xx_protect_flash(scsi_qla_host_t *vha)
 {
-       uint32_t cnt;
        struct qla_hw_data *ha = vha->hw;
        struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
+       ulong cnt = 300;
+       uint32_t faddr, dword;
 
        if (ha->flags.fac_supported)
                return qla81xx_fac_do_write_enable(vha, 0);
@@ -1203,11 +1193,14 @@ qla24xx_protect_flash(scsi_qla_host_t *vha)
                goto skip_wrt_protect;
 
        /* Enable flash write-protection and wait for completion. */
-       qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101),
-           ha->fdt_wrt_disable);
-       for (cnt = 300; cnt &&
-           qla24xx_read_flash_dword(ha, flash_conf_addr(ha, 0x005)) & BIT_0;
-           cnt--) {
+       faddr = flash_conf_addr(ha, 0x101);
+       qla24xx_write_flash_dword(ha, faddr, ha->fdt_wrt_disable);
+       faddr = flash_conf_addr(ha, 0x5);
+       while (cnt--) {
+               if (!qla24xx_read_flash_dword(ha, faddr, &dword)) {
+                       if (!(dword & BIT_0))
+                               break;
+               }
                udelay(10);
        }
 
@@ -1215,7 +1208,6 @@ skip_wrt_protect:
        /* Disable flash write. */
        WRT_REG_DWORD(&reg->ctrl_status,
            RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
-       RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
 
        return QLA_SUCCESS;
 }
@@ -1243,107 +1235,103 @@ qla24xx_write_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
     uint32_t dwords)
 {
        int ret;
-       uint32_t liter;
-       uint32_t sec_mask, rest_addr;
-       uint32_t fdata;
+       ulong liter;
+       ulong dburst = OPTROM_BURST_DWORDS; /* burst size in dwords */
+       uint32_t sec_mask, rest_addr, fdata;
        dma_addr_t optrom_dma;
        void *optrom = NULL;
        struct qla_hw_data *ha = vha->hw;
 
-       /* Prepare burst-capable write on supported ISPs. */
-       if ((IS_QLA25XX(ha) || IS_QLA81XX(ha) || IS_QLA83XX(ha) ||
-           IS_QLA27XX(ha) || IS_QLA28XX(ha)) &&
-           !(faddr & 0xfff) && dwords > OPTROM_BURST_DWORDS) {
-               optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
-                   &optrom_dma, GFP_KERNEL);
-               if (!optrom) {
-                       ql_log(ql_log_warn, vha, 0x7095,
-                           "Unable to allocate "
-                           "memory for optrom burst write (%x KB).\n",
-                           OPTROM_BURST_SIZE / 1024);
-               }
-       }
+       if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
+           !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
+               goto next;
 
-       rest_addr = (ha->fdt_block_size >> 2) - 1;
-       sec_mask = ~rest_addr;
+       /* Allocate dma buffer for burst write */
+       optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
+           &optrom_dma, GFP_KERNEL);
+       if (!optrom) {
+               ql_log(ql_log_warn, vha, 0x7095,
+                   "Failed allocate burst (%x bytes)\n", OPTROM_BURST_SIZE);
+       }
 
+next:
+       ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
+           "Unprotect flash...\n");
        ret = qla24xx_unprotect_flash(vha);
-       if (ret != QLA_SUCCESS) {
+       if (ret) {
                ql_log(ql_log_warn, vha, 0x7096,
-                   "Unable to unprotect flash for update.\n");
+                   "Failed to unprotect flash.\n");
                goto done;
        }
 
+       rest_addr = (ha->fdt_block_size >> 2) - 1;
+       sec_mask = ~rest_addr;
        for (liter = 0; liter < dwords; liter++, faddr++, dwptr++) {
                fdata = (faddr & sec_mask) << 2;
 
                /* Are we at the beginning of a sector? */
-               if ((faddr & rest_addr) == 0) {
-                       /* Do sector unprotect. */
-                       if (ha->fdt_unprotect_sec_cmd)
-                               qla24xx_write_flash_dword(ha,
-                                   ha->fdt_unprotect_sec_cmd,
-                                   (fdata & 0xff00) | ((fdata << 16) &
-                                   0xff0000) | ((fdata >> 16) & 0xff));
+               if (!(faddr & rest_addr)) {
+                       ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
+                           "Erase sector %#x...\n", faddr);
+
                        ret = qla24xx_erase_sector(vha, fdata);
-                       if (ret != QLA_SUCCESS) {
+                       if (ret) {
                                ql_dbg(ql_dbg_user, vha, 0x7007,
-                                   "Unable to erase erase sector: address=%x.\n",
-                                   faddr);
+                                   "Failed to erase sector %x.\n", faddr);
                                break;
                        }
                }
 
-               /* Go with burst-write. */
-               if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) {
-                       /* Copy data to DMA'ble buffer. */
-                       memcpy(optrom, dwptr, OPTROM_BURST_SIZE);
+               if (optrom) {
+                       /* If smaller than a burst remaining */
+                       if (dwords - liter < dburst)
+                               dburst = dwords - liter;
+
+                       /* Copy to dma buffer */
+                       memcpy(optrom, dwptr, dburst << 2);
 
+                       /* Burst write */
+                       ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
+                           "Write burst (%#lx dwords)...\n", dburst);
                        ret = qla2x00_load_ram(vha, optrom_dma,
-                           flash_data_addr(ha, faddr),
-                           OPTROM_BURST_DWORDS);
-                       if (ret != QLA_SUCCESS) {
-                               ql_log(ql_log_warn, vha, 0x7097,
-                                   "Unable to burst-write optrom segment "
-                                   "(%x/%x/%llx).\n", ret,
-                                   flash_data_addr(ha, faddr),
-                                   (unsigned long long)optrom_dma);
-                               ql_log(ql_log_warn, vha, 0x7098,
-                                   "Reverting to slow-write.\n");
-
-                               dma_free_coherent(&ha->pdev->dev,
-                                   OPTROM_BURST_SIZE, optrom, optrom_dma);
-                               optrom = NULL;
-                       } else {
-                               liter += OPTROM_BURST_DWORDS - 1;
-                               faddr += OPTROM_BURST_DWORDS - 1;
-                               dwptr += OPTROM_BURST_DWORDS - 1;
+                           flash_data_addr(ha, faddr), dburst);
+                       if (!ret) {
+                               liter += dburst - 1;
+                               faddr += dburst - 1;
+                               dwptr += dburst - 1;
                                continue;
                        }
+
+                       ql_log(ql_log_warn, vha, 0x7097,
+                           "Failed burst-write at %x (%p/%#llx)....\n",
+                           flash_data_addr(ha, faddr), optrom,
+                           (u64)optrom_dma);
+
+                       dma_free_coherent(&ha->pdev->dev,
+                           OPTROM_BURST_SIZE, optrom, optrom_dma);
+                       optrom = NULL;
+                       if (IS_QLA27XX(ha) || IS_QLA28XX(ha))
+                               break;
+                       ql_log(ql_log_warn, vha, 0x7098,
+                           "Reverting to slow write...\n");
                }
 
+               /* Slow write */
                ret = qla24xx_write_flash_dword(ha,
                    flash_data_addr(ha, faddr), cpu_to_le32(*dwptr));
-               if (ret != QLA_SUCCESS) {
+               if (ret) {
                        ql_dbg(ql_dbg_user, vha, 0x7006,
-                           "Unable to program flash address=%x data=%x.\n",
-                           faddr, *dwptr);
+                           "Failed slopw write %x (%x)\n", faddr, *dwptr);
                        break;
                }
-
-               /* Do sector protect. */
-               if (ha->fdt_unprotect_sec_cmd &&
-                   ((faddr & rest_addr) == rest_addr))
-                       qla24xx_write_flash_dword(ha,
-                           ha->fdt_protect_sec_cmd,
-                           (fdata & 0xff00) | ((fdata << 16) &
-                           0xff0000) | ((fdata >> 16) & 0xff));
        }
 
+       ql_log(ql_log_warn + ql_dbg_verbose, vha, 0x7095,
+           "Protect flash...\n");
        ret = qla24xx_protect_flash(vha);
-       if (ret != QLA_SUCCESS)
+       if (ret)
                ql_log(ql_log_warn, vha, 0x7099,
-                   "Unable to protect flash after update.\n");
+                   "Failed to protect flash\n");
 done:
        if (optrom)
                dma_free_coherent(&ha->pdev->dev,
@@ -1353,7 +1341,7 @@ done:
 }
 
 uint8_t *
-qla2x00_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
+qla2x00_read_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
     uint32_t bytes)
 {
        uint32_t i;
@@ -1372,27 +1360,30 @@ qla2x00_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
 }
 
 uint8_t *
-qla24xx_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
+qla24xx_read_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
     uint32_t bytes)
 {
-       uint32_t i;
-       uint32_t *dwptr;
        struct qla_hw_data *ha = vha->hw;
+       uint32_t *dwptr = buf;
+       uint32_t i;
 
        if (IS_P3P_TYPE(ha))
                return  buf;
 
        /* Dword reads to flash. */
-       dwptr = (uint32_t *)buf;
-       for (i = 0; i < bytes >> 2; i++, naddr++)
-               dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
-                   nvram_data_addr(ha, naddr)));
+       naddr = nvram_data_addr(ha, naddr);
+       bytes >>= 2;
+       for (i = 0; i < bytes; i++, naddr++, dwptr++) {
+               if (qla24xx_read_flash_dword(ha, naddr, dwptr))
+                       break;
+               cpu_to_le32s(dwptr);
+       }
 
        return buf;
 }
 
 int
-qla2x00_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
+qla2x00_write_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
     uint32_t bytes)
 {
        int ret, stat;
@@ -1426,14 +1417,14 @@ qla2x00_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
 }
 
 int
-qla24xx_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
+qla24xx_write_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
     uint32_t bytes)
 {
-       int ret;
-       uint32_t i;
-       uint32_t *dwptr;
        struct qla_hw_data *ha = vha->hw;
        struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
+       uint32_t *dwptr = buf;
+       uint32_t i;
+       int ret;
 
        ret = QLA_SUCCESS;
 
@@ -1450,11 +1441,10 @@ qla24xx_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
        qla24xx_write_flash_dword(ha, nvram_conf_addr(ha, 0x101), 0);
 
        /* Dword writes to flash. */
-       dwptr = (uint32_t *)buf;
-       for (i = 0; i < bytes >> 2; i++, naddr++, dwptr++) {
-               ret = qla24xx_write_flash_dword(ha,
-                   nvram_data_addr(ha, naddr), cpu_to_le32(*dwptr));
-               if (ret != QLA_SUCCESS) {
+       naddr = nvram_data_addr(ha, naddr);
+       bytes >>= 2;
+       for (i = 0; i < bytes; i++, naddr++, dwptr++) {
+               if (qla24xx_write_flash_dword(ha, naddr, cpu_to_le32(*dwptr))) {
                        ql_dbg(ql_dbg_user, vha, 0x709a,
                            "Unable to program nvram address=%x data=%x.\n",
                            naddr, *dwptr);
@@ -1474,31 +1464,34 @@ qla24xx_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
 }
 
 uint8_t *
-qla25xx_read_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
+qla25xx_read_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
     uint32_t bytes)
 {
-       uint32_t i;
-       uint32_t *dwptr;
        struct qla_hw_data *ha = vha->hw;
+       uint32_t *dwptr = buf;
+       uint32_t i;
 
        /* Dword reads to flash. */
-       dwptr = (uint32_t *)buf;
-       for (i = 0; i < bytes >> 2; i++, naddr++)
-               dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
-                   flash_data_addr(ha, ha->flt_region_vpd_nvram | naddr)));
+       naddr = flash_data_addr(ha, ha->flt_region_vpd_nvram | naddr);
+       bytes >>= 2;
+       for (i = 0; i < bytes; i++, naddr++, dwptr++) {
+               if (qla24xx_read_flash_dword(ha, naddr, dwptr))
+                       break;
+
+               cpu_to_le32s(dwptr);
+       }
 
        return buf;
 }
 
+#define RMW_BUFFER_SIZE        (64 * 1024)
 int
-qla25xx_write_nvram_data(scsi_qla_host_t *vha, uint8_t *buf, uint32_t naddr,
+qla25xx_write_nvram_data(scsi_qla_host_t *vha, void *buf, uint32_t naddr,
     uint32_t bytes)
 {
        struct qla_hw_data *ha = vha->hw;
-#define RMW_BUFFER_SIZE        (64 * 1024)
-       uint8_t *dbuf;
+       uint8_t *dbuf = vmalloc(RMW_BUFFER_SIZE);
 
-       dbuf = vmalloc(RMW_BUFFER_SIZE);
        if (!dbuf)
                return QLA_MEMORY_ALLOC_FAILED;
        ha->isp_ops->read_optrom(vha, dbuf, ha->flt_region_vpd_nvram << 2,
@@ -2319,8 +2312,8 @@ qla2x00_resume_hba(struct scsi_qla_host *vha)
        scsi_unblock_requests(vha->host);
 }
 
-uint8_t *
-qla2x00_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
+void *
+qla2x00_read_optrom_data(struct scsi_qla_host *vha, void *buf,
     uint32_t offset, uint32_t length)
 {
        uint32_t addr, midpoint;
@@ -2354,12 +2347,12 @@ qla2x00_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
 }
 
 int
-qla2x00_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
+qla2x00_write_optrom_data(struct scsi_qla_host *vha, void *buf,
     uint32_t offset, uint32_t length)
 {
 
        int rval;
-       uint8_t man_id, flash_id, sec_number, data;
+       uint8_t man_id, flash_id, sec_number, *data;
        uint16_t wd;
        uint32_t addr, liter, sec_mask, rest_addr;
        struct qla_hw_data *ha = vha->hw;
@@ -2488,7 +2481,7 @@ update_flash:
 
                for (addr = offset, liter = 0; liter < length; liter++,
                    addr++) {
-                       data = buf[liter];
+                       data = buf + liter;
                        /* Are we at the beginning of a sector? */
                        if ((addr & rest_addr) == 0) {
                                if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
@@ -2556,7 +2549,7 @@ update_flash:
                                }
                        }
 
-                       if (qla2x00_program_flash_address(ha, addr, data,
+                       if (qla2x00_program_flash_address(ha, addr, *data,
                            man_id, flash_id)) {
                                rval = QLA_FUNCTION_FAILED;
                                break;
@@ -2572,8 +2565,8 @@ update_flash:
        return rval;
 }
 
-uint8_t *
-qla24xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
+void *
+qla24xx_read_optrom_data(struct scsi_qla_host *vha, void *buf,
     uint32_t offset, uint32_t length)
 {
        struct qla_hw_data *ha = vha->hw;
@@ -2583,7 +2576,7 @@ qla24xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
        set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
 
        /* Go with read. */
-       qla24xx_read_flash_data(vha, (uint32_t *)buf, offset >> 2, length >> 2);
+       qla24xx_read_flash_data(vha, (void *)buf, offset >> 2, length >> 2);
 
        /* Resume HBA. */
        clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
@@ -2593,7 +2586,7 @@ qla24xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
 }
 
 int
-qla24xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
+qla24xx_write_optrom_data(struct scsi_qla_host *vha, void *buf,
     uint32_t offset, uint32_t length)
 {
        int rval;
@@ -2604,7 +2597,7 @@ qla24xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
        set_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
 
        /* Go with write. */
-       rval = qla24xx_write_flash_data(vha, (uint32_t *)buf, offset >> 2,
+       rval = qla24xx_write_flash_data(vha, buf, offset >> 2,
            length >> 2);
 
        clear_bit(MBX_UPDATE_FLASH_ACTIVE, &ha->mbx_cmd_flags);
@@ -2613,8 +2606,8 @@ qla24xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
        return rval;
 }
 
-uint8_t *
-qla25xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
+void *
+qla25xx_read_optrom_data(struct scsi_qla_host *vha, void *buf,
     uint32_t offset, uint32_t length)
 {
        int rval;
@@ -2881,7 +2874,7 @@ qla2x00_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
                    "Dumping fw "
                    "ver from flash:.\n");
                ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010b,
-                   dbyte, 8);
+                   dbyte, 32);
 
                if ((dcode[0] == 0xffff && dcode[1] == 0xffff &&
                    dcode[2] == 0xffff && dcode[3] == 0xffff) ||
@@ -2912,8 +2905,8 @@ qla82xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
 {
        int ret = QLA_SUCCESS;
        uint32_t pcihdr, pcids;
-       uint32_t *dcode;
-       uint8_t *bcode;
+       uint32_t *dcode = mbuf;
+       uint8_t *bcode = mbuf;
        uint8_t code_type, last_image;
        struct qla_hw_data *ha = vha->hw;
 
@@ -2925,17 +2918,14 @@ qla82xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
        memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
        memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
 
-       dcode = mbuf;
-
        /* Begin with first PCI expansion ROM header. */
        pcihdr = ha->flt_region_boot << 2;
        last_image = 1;
        do {
                /* Verify PCI expansion ROM header. */
-               ha->isp_ops->read_optrom(vha, (uint8_t *)dcode, pcihdr,
-                   0x20 * 4);
+               ha->isp_ops->read_optrom(vha, dcode, pcihdr, 0x20 * 4);
                bcode = mbuf + (pcihdr % 4);
-               if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa) {
+               if (memcmp(bcode, "\x55\xaa", 2)) {
                        /* No signature */
                        ql_log(ql_log_fatal, vha, 0x0154,
                            "No matching ROM signature.\n");
@@ -2946,13 +2936,11 @@ qla82xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
                /* Locate PCI data structure. */
                pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
 
-               ha->isp_ops->read_optrom(vha, (uint8_t *)dcode, pcids,
-                   0x20 * 4);
+               ha->isp_ops->read_optrom(vha, dcode, pcids, 0x20 * 4);
                bcode = mbuf + (pcihdr % 4);
 
                /* Validate signature of PCI data structure. */
-               if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
-                   bcode[0x2] != 'I' || bcode[0x3] != 'R') {
+               if (memcmp(bcode, "PCIR", 4)) {
                        /* Incorrect header. */
                        ql_log(ql_log_fatal, vha, 0x0155,
                            "PCI data struct not found pcir_adr=%x.\n", pcids);
@@ -3003,8 +2991,7 @@ qla82xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
        /* Read firmware image information. */
        memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
        dcode = mbuf;
-       ha->isp_ops->read_optrom(vha, (uint8_t *)dcode, ha->flt_region_fw << 2,
-           0x20);
+       ha->isp_ops->read_optrom(vha, dcode, ha->flt_region_fw << 2, 0x20);
        bcode = mbuf + (pcihdr % 4);
 
        /* Validate signature of PCI data structure. */
@@ -3026,16 +3013,14 @@ int
 qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
 {
        int ret = QLA_SUCCESS;
-       uint32_t pcihdr, pcids;
-       uint32_t *dcode;
-       uint8_t *bcode;
+       uint32_t pcihdr = 0, pcids = 0;
+       uint32_t *dcode = mbuf;
+       uint8_t *bcode = mbuf;
        uint8_t code_type, last_image;
        int i;
        struct qla_hw_data *ha = vha->hw;
        uint32_t faddr = 0;
 
-       pcihdr = pcids = 0;
-
        if (IS_P3P_TYPE(ha))
                return ret;
 
@@ -3047,18 +3032,16 @@ qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
        memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
        memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
 
-       dcode = mbuf;
        pcihdr = ha->flt_region_boot << 2;
        if ((IS_QLA27XX(ha) || IS_QLA28XX(ha)) &&
            qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
                pcihdr = ha->flt_region_boot_sec << 2;
 
-       last_image = 1;
        do {
                /* Verify PCI expansion ROM header. */
                qla24xx_read_flash_data(vha, dcode, pcihdr >> 2, 0x20);
                bcode = mbuf + (pcihdr % 4);
-               if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa) {
+               if (memcmp(bcode, "\x55\xaa", 2)) {
                        /* No signature */
                        ql_log(ql_log_fatal, vha, 0x0059,
                            "No matching ROM signature.\n");
@@ -3073,11 +3056,11 @@ qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
                bcode = mbuf + (pcihdr % 4);
 
                /* Validate signature of PCI data structure. */
-               if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
-                   bcode[0x2] != 'I' || bcode[0x3] != 'R') {
+               if (memcmp(bcode, "PCIR", 4)) {
                        /* Incorrect header. */
                        ql_log(ql_log_fatal, vha, 0x005a,
                            "PCI data struct not found pcir_adr=%x.\n", pcids);
+                       ql_dump_buffer(ql_dbg_init, vha, 0x0059, dcode, 32);
                        ret = QLA_FUNCTION_FAILED;
                        break;
                }
@@ -3124,7 +3107,6 @@ qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
 
        /* Read firmware image information. */
        memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
-       dcode = mbuf;
        faddr = ha->flt_region_fw;
        if ((IS_QLA27XX(ha) || IS_QLA28XX(ha)) &&
            qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
@@ -3135,11 +3117,12 @@ qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
                ql_log(ql_log_warn, vha, 0x005f,
                    "Unrecognized fw revision at %x.\n",
                    ha->flt_region_fw * 4);
+               ql_dump_buffer(ql_dbg_init, vha, 0x005f, dcode, 32);
        } else {
                for (i = 0; i < 4; i++)
                        ha->fw_revision[i] = be32_to_cpu(dcode[4+i]);
                ql_dbg(ql_dbg_init, vha, 0x0060,
-                   "Firmware revision (flash) %d.%d.%d (%x).\n",
+                   "Firmware revision (flash) %u.%u.%u (%x).\n",
                    ha->fw_revision[0], ha->fw_revision[1],
                    ha->fw_revision[2], ha->fw_revision[3]);
        }
@@ -3151,12 +3134,12 @@ qla24xx_get_flash_version(scsi_qla_host_t *vha, void *mbuf)
        }
 
        memset(ha->gold_fw_version, 0, sizeof(ha->gold_fw_version));
-       dcode = mbuf;
-       qla24xx_read_flash_data(vha, dcode, ha->flt_region_gold_fw, 8);
+       faddr = ha->flt_region_gold_fw;
+       qla24xx_read_flash_data(vha, (void *)dcode, ha->flt_region_gold_fw, 8);
        if (qla24xx_risc_firmware_invalid(dcode)) {
                ql_log(ql_log_warn, vha, 0x0056,
-                   "Unrecognized golden fw at 0x%x.\n",
-                   ha->flt_region_gold_fw * 4);
+                   "Unrecognized golden fw at %#x.\n", faddr);
+               ql_dump_buffer(ql_dbg_init, vha, 0x0056, dcode, 32);
                return ret;
        }
 
@@ -3233,7 +3216,7 @@ qla24xx_read_fcp_prio_cfg(scsi_qla_host_t *vha)
        fcp_prio_addr = ha->flt_region_fcp_prio;
 
        /* first read the fcp priority data header from flash */
-       ha->isp_ops->read_optrom(vha, (uint8_t *)ha->fcp_prio_cfg,
+       ha->isp_ops->read_optrom(vha, ha->fcp_prio_cfg,
                        fcp_prio_addr << 2, FCP_PRIO_CFG_HDR_SIZE);
 
        if (!qla24xx_fcp_prio_cfg_valid(vha, ha->fcp_prio_cfg, 0))
@@ -3244,7 +3227,7 @@ qla24xx_read_fcp_prio_cfg(scsi_qla_host_t *vha)
        len = ha->fcp_prio_cfg->num_entries * FCP_PRIO_CFG_ENTRY_SIZE;
        max_len = FCP_PRIO_CFG_SIZE - FCP_PRIO_CFG_HDR_SIZE;
 
-       ha->isp_ops->read_optrom(vha, (uint8_t *)&ha->fcp_prio_cfg->entry[0],
+       ha->isp_ops->read_optrom(vha, &ha->fcp_prio_cfg->entry[0],
                        fcp_prio_addr << 2, (len < max_len ? len : max_len));
 
        /* revalidate the entire FCP priority config data, including entries */