mmc: core: Drop redundant in-parameter to __mmc_switch()

The use_busy_signal in-parameter is set true by all callers of
__mmc_switch(), hence it's redundant so drop it.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Baolin Wang <baolin.wang7@gmail.com>
Tested-by: Ludovic Barre <ludovic.barre@st.com>
Reviewed-by: Ludovic Barre <ludovic.barre@st.com>
Link: https://lore.kernel.org/r/20200204085449.32585-5-ulf.hansson@linaro.org

diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 36846a8..de94fbe 100644 (file)
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1055,7 +1055,7 @@ static int mmc_select_hs(struct mmc_card *card)
        err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
                           EXT_CSD_HS_TIMING, EXT_CSD_TIMING_HS,
                           card->ext_csd.generic_cmd6_time, MMC_TIMING_MMC_HS,
-                          true, true, true);
+                          true, true);
        if (err)
                pr_warn("%s: switch to high-speed failed, err:%d\n",
                        mmc_hostname(card->host), err);
@@ -1087,7 +1087,7 @@ static int mmc_select_hs_ddr(struct mmc_card *card)
                           ext_csd_bits,
                           card->ext_csd.generic_cmd6_time,
                           MMC_TIMING_MMC_DDR52,
-                          true, true, true);
+                          true, true);
        if (err) {
                pr_err("%s: switch to bus width %d ddr failed\n",
                        mmc_hostname(host), 1 << bus_width);
@@ -1155,7 +1155,7 @@ static int mmc_select_hs400(struct mmc_card *card)
        err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
                           EXT_CSD_HS_TIMING, val,
                           card->ext_csd.generic_cmd6_time, 0,
-                          true, false, true);
+                          false, true);
        if (err) {
                pr_err("%s: switch to high-speed from hs200 failed, err:%d\n",
                        mmc_hostname(host), err);
@@ -1197,7 +1197,7 @@ static int mmc_select_hs400(struct mmc_card *card)
        err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
                           EXT_CSD_HS_TIMING, val,
                           card->ext_csd.generic_cmd6_time, 0,
-                          true, false, true);
+                          false, true);
        if (err) {
                pr_err("%s: switch to hs400 failed, err:%d\n",
                         mmc_hostname(host), err);
@@ -1243,7 +1243,7 @@ int mmc_hs400_to_hs200(struct mmc_card *card)
        val = EXT_CSD_TIMING_HS;
        err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING,
                           val, card->ext_csd.generic_cmd6_time, 0,
-                          true, false, true);
+                          false, true);
        if (err)
                goto out_err;
 
@@ -1256,7 +1256,7 @@ int mmc_hs400_to_hs200(struct mmc_card *card)
        /* Switch HS DDR to HS */
        err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BUS_WIDTH,
                           EXT_CSD_BUS_WIDTH_8, card->ext_csd.generic_cmd6_time,
-                          0, true, false, true);
+                          0, false, true);
        if (err)
                goto out_err;
 
@@ -1274,7 +1274,7 @@ int mmc_hs400_to_hs200(struct mmc_card *card)
              card->drive_strength << EXT_CSD_DRV_STR_SHIFT;
        err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING,
                           val, card->ext_csd.generic_cmd6_time, 0,
-                          true, false, true);
+                          false, true);
        if (err)
                goto out_err;
 
@@ -1358,7 +1358,7 @@ static int mmc_select_hs400es(struct mmc_card *card)
        err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
                           EXT_CSD_HS_TIMING, EXT_CSD_TIMING_HS,
                           card->ext_csd.generic_cmd6_time, 0,
-                          true, false, true);
+                          false, true);
        if (err) {
                pr_err("%s: switch to hs for hs400es failed, err:%d\n",
                        mmc_hostname(host), err);
@@ -1392,7 +1392,7 @@ static int mmc_select_hs400es(struct mmc_card *card)
        err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
                           EXT_CSD_HS_TIMING, val,
                           card->ext_csd.generic_cmd6_time, 0,
-                          true, false, true);
+                          false, true);
        if (err) {
                pr_err("%s: switch to hs400es failed, err:%d\n",
                        mmc_hostname(host), err);
@@ -1457,7 +1457,7 @@ static int mmc_select_hs200(struct mmc_card *card)
                err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
                                   EXT_CSD_HS_TIMING, val,
                                   card->ext_csd.generic_cmd6_time, 0,
-                                  true, false, true);
+                                  false, true);
                if (err)
                        goto err;
                old_timing = host->ios.timing;
@@ -1962,7 +1962,7 @@ static int mmc_poweroff_notify(struct mmc_card *card, unsigned int notify_type)
 
        err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
                        EXT_CSD_POWER_OFF_NOTIFICATION,
-                       notify_type, timeout, 0, true, false, false);
+                       notify_type, timeout, 0, false, false);
        if (err)
                pr_err("%s: Power Off Notification timed out, %u\n",
                       mmc_hostname(card->host), timeout);

diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index 9385c4e..cdd438d 100644 (file)
--- a/drivers/mmc/core/mmc_ops.c
+++ b/drivers/mmc/core/mmc_ops.c
@@ -516,7 +516,6 @@ static int mmc_poll_for_busy(struct mmc_card *card, unsigned int timeout_ms,
  *     @timeout_ms: timeout (ms) for operation performed by register write,
  *                   timeout of zero implies maximum possible timeout
  *     @timing: new timing to change to
- *     @use_busy_signal: use the busy signal as response type
  *     @send_status: send status cmd to poll for busy
  *     @retry_crc_err: retry when CRC errors when polling with CMD13 for busy
  *
@@ -524,12 +523,12 @@ static int mmc_poll_for_busy(struct mmc_card *card, unsigned int timeout_ms,
  */
 int __mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
                unsigned int timeout_ms, unsigned char timing,
-               bool use_busy_signal, bool send_status, bool retry_crc_err)
+               bool send_status, bool retry_crc_err)
 {
        struct mmc_host *host = card->host;
        int err;
        struct mmc_command cmd = {};
-       bool use_r1b_resp = use_busy_signal;
+       bool use_r1b_resp = true;
        unsigned char old_timing = host->ios.timing;
 
        mmc_retune_hold(host);
@@ -571,10 +570,6 @@ int __mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
        if (err)
                goto out;
 
-       /* No need to check card status in case of unblocking command */
-       if (!use_busy_signal)
-               goto out;
-
        /*If SPI or used HW busy detection above, then we don't need to poll. */
        if (((host->caps & MMC_CAP_WAIT_WHILE_BUSY) && use_r1b_resp) ||
                mmc_host_is_spi(host))
@@ -605,7 +600,7 @@ int mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
                unsigned int timeout_ms)
 {
        return __mmc_switch(card, set, index, value, timeout_ms, 0,
-                       true, true, false);
+                           true, false);
 }
 EXPORT_SYMBOL_GPL(mmc_switch);
 

diff --git a/drivers/mmc/core/mmc_ops.h b/drivers/mmc/core/mmc_ops.h
index 09dee8a..de0c509 100644 (file)
--- a/drivers/mmc/core/mmc_ops.h
+++ b/drivers/mmc/core/mmc_ops.h
@@ -32,7 +32,7 @@ int mmc_get_ext_csd(struct mmc_card *card, u8 **new_ext_csd);
 int mmc_switch_status(struct mmc_card *card, bool crc_err_fatal);
 int __mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
                unsigned int timeout_ms, unsigned char timing,
-               bool use_busy_signal, bool send_status, bool retry_crc_err);
+               bool send_status, bool retry_crc_err);
 int mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
                unsigned int timeout_ms);
 void mmc_run_bkops(struct mmc_card *card);