redonkable/alistair23-linux
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mmc: core: Drop redundant in-parameter to __mmc_switch()

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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
This commit is contained in:
Ulf Hansson 2020-02-04 09:54:41 +01:00
parent 60db8a4749
commit 02098ccdd8
3 changed files with 15 additions and 20 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
drivers/mmc/core/mmc.c
View file

@ -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);

11
drivers/mmc/core/mmc_ops.c
View file

@ -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);

2
drivers/mmc/core/mmc_ops.h
View file

@ -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);