mtip32xx: remove __force_bit2int
authorChristoph Hellwig <hch@lst.de>
Fri, 9 Nov 2018 13:48:57 +0000 (14:48 +0100)
committerJens Axboe <axboe@kernel.dk>
Fri, 9 Nov 2018 15:39:21 +0000 (08:39 -0700)
There is no good excuse not to use proper __le16/32 types.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/block/mtip32xx/mtip32xx.c
drivers/block/mtip32xx/mtip32xx.h

index d5277bb..9245c32 100644 (file)
@@ -181,9 +181,9 @@ static void mtip_init_cmd_header(struct request *rq)
                                (sizeof(struct mtip_cmd_hdr) * rq->tag);
 
        if (test_bit(MTIP_PF_HOST_CAP_64, &dd->port->flags))
-               cmd->command_header->ctbau = __force_bit2int cpu_to_le32((cmd->command_dma >> 16) >> 16);
+               cmd->command_header->ctbau = cpu_to_le32((cmd->command_dma >> 16) >> 16);
 
-       cmd->command_header->ctba = __force_bit2int cpu_to_le32(cmd->command_dma & 0xFFFFFFFF);
+       cmd->command_header->ctba = cpu_to_le32(cmd->command_dma & 0xFFFFFFFF);
 }
 
 static struct mtip_cmd *mtip_get_int_command(struct driver_data *dd)
@@ -1459,8 +1459,8 @@ static blk_status_t mtip_send_trim(struct driver_data *dd, unsigned int lba,
                tlen = (sect_left >= MTIP_MAX_TRIM_ENTRY_LEN ?
                                        MTIP_MAX_TRIM_ENTRY_LEN :
                                        sect_left);
-               buf[i].lba = __force_bit2int cpu_to_le32(tlba);
-               buf[i].range = __force_bit2int cpu_to_le16(tlen);
+               buf[i].lba = cpu_to_le32(tlba);
+               buf[i].range = cpu_to_le16(tlen);
                tlba += tlen;
                sect_left -= tlen;
        }
@@ -1590,11 +1590,9 @@ static inline void fill_command_sg(struct driver_data *dd,
                if (dma_len > 0x400000)
                        dev_err(&dd->pdev->dev,
                                "DMA segment length truncated\n");
-               command_sg->info = __force_bit2int
-                       cpu_to_le32((dma_len-1) & 0x3FFFFF);
-               command_sg->dba = __force_bit2int
-                       cpu_to_le32(sg_dma_address(sg));
-               command_sg->dba_upper = __force_bit2int
+               command_sg->info = cpu_to_le32((dma_len-1) & 0x3FFFFF);
+               command_sg->dba =  cpu_to_le32(sg_dma_address(sg));
+               command_sg->dba_upper =
                        cpu_to_le32((sg_dma_address(sg) >> 16) >> 16);
                command_sg++;
                sg++;
@@ -2231,8 +2229,7 @@ static void mtip_hw_submit_io(struct driver_data *dd, struct request *rq,
 
        /* Populate the command header */
        command->command_header->opts =
-                       __force_bit2int cpu_to_le32(
-                               (nents << 16) | 5 | AHCI_CMD_PREFETCH);
+                       cpu_to_le32((nents << 16) | 5 | AHCI_CMD_PREFETCH);
        command->command_header->byte_count = 0;
 
        command->direction = dma_dir;
@@ -3586,20 +3583,16 @@ static blk_status_t mtip_issue_reserved_cmd(struct blk_mq_hw_ctx *hctx,
                return BLK_STS_RESOURCE;
 
        /* Populate the SG list */
-       cmd->command_header->opts =
-                __force_bit2int cpu_to_le32(icmd->opts | icmd->fis_len);
+       cmd->command_header->opts = cpu_to_le32(icmd->opts | icmd->fis_len);
        if (icmd->buf_len) {
                command_sg = cmd->command + AHCI_CMD_TBL_HDR_SZ;
 
-               command_sg->info =
-                       __force_bit2int cpu_to_le32((icmd->buf_len-1) & 0x3FFFFF);
-               command_sg->dba =
-                       __force_bit2int cpu_to_le32(icmd->buffer & 0xFFFFFFFF);
+               command_sg->info = cpu_to_le32((icmd->buf_len-1) & 0x3FFFFF);
+               command_sg->dba = cpu_to_le32(icmd->buffer & 0xFFFFFFFF);
                command_sg->dba_upper =
-                       __force_bit2int cpu_to_le32((icmd->buffer >> 16) >> 16);
+                       cpu_to_le32((icmd->buffer >> 16) >> 16);
 
-               cmd->command_header->opts |=
-                       __force_bit2int cpu_to_le32((1 << 16));
+               cmd->command_header->opts |= cpu_to_le32((1 << 16));
        }
 
        /* Populate the command header */
index e20e55d..0aa1ea2 100644 (file)
 
 #define MTIP_DFS_MAX_BUF_SIZE 1024
 
-#define __force_bit2int (unsigned int __force)
-
 enum {
        /* below are bit numbers in 'flags' defined in mtip_port */
        MTIP_PF_IC_ACTIVE_BIT       = 0, /* pio/ioctl */
@@ -200,9 +198,9 @@ struct mtip_work {
 #define MTIP_MAX_TRIM_ENTRY_LEN                0xfff8
 
 struct mtip_trim_entry {
-       u32 lba;   /* starting lba of region */
-       u16 rsvd;  /* unused */
-       u16 range; /* # of 512b blocks to trim */
+       __le32 lba;   /* starting lba of region */
+       __le16 rsvd;  /* unused */
+       __le16 range; /* # of 512b blocks to trim */
 } __packed;
 
 struct mtip_trim {
@@ -278,24 +276,24 @@ struct mtip_cmd_hdr {
         * - Bit 5 Unused in this implementation.
         * - Bits 4:0 Length of the command FIS in DWords (DWord = 4 bytes).
         */
-       unsigned int opts;
+       __le32 opts;
        /* This field is unsed when using NCQ. */
        union {
-               unsigned int byte_count;
-               unsigned int status;
+               __le32 byte_count;
+               __le32 status;
        };
        /*
         * Lower 32 bits of the command table address associated with this
         * header. The command table addresses must be 128 byte aligned.
         */
-       unsigned int ctba;
+       __le32 ctba;
        /*
         * If 64 bit addressing is used this field is the upper 32 bits
         * of the command table address associated with this command.
         */
-       unsigned int ctbau;
+       __le32 ctbau;
        /* Reserved and unused. */
-       unsigned int res[4];
+       u32 res[4];
 };
 
 /* Command scatter gather structure (PRD). */
@@ -305,21 +303,21 @@ struct mtip_cmd_sg {
         * address must be 8 byte aligned signified by bits 2:0 being
         * set to 0.
         */
-       unsigned int dba;
+       __le32 dba;
        /*
         * When 64 bit addressing is used this field is the upper
         * 32 bits of the data buffer address.
         */
-       unsigned int dba_upper;
+       __le32 dba_upper;
        /* Unused. */
-       unsigned int reserved;
+       __le32 reserved;
        /*
         * Bit 31: interrupt when this data block has been transferred.
         * Bits 30..22: reserved
         * Bits 21..0: byte count (minus 1).  For P320 the byte count must be
         * 8 byte aligned signified by bits 2:0 being set to 1.
         */
-       unsigned int info;
+       __le32 info;
 };
 struct mtip_port;