diff options
| author | Avri Altman <avri.altman@sandisk.com> | 2025-06-19 11:56:19 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2025-10-23 16:07:21 +0200 |
| commit | c2afdd73e5ba2146c7e8b43b2607da5d4b720d9d (patch) | |
| tree | b66105970829d5561bfeaf19fe80899e4df0b5c0 /drivers/mmc | |
| parent | 218fe24ff23b42eaa79829c06c336f056476ef26 (diff) | |
mmc: core: Skip to set the default 200mA SD current limit
Let's avoid updating the SD current limit when the maximum power is 200mA
(0.72W) or less, as this is already the default value for the SD card. In
this way we avoid sending an unnecessary command during initialization.
Signed-off-by: Avri Altman <avri.altman@sandisk.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/core/sd.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index b6758911e22c..948948ca9b4a 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -554,7 +554,7 @@ static u32 sd_get_host_max_current(struct mmc_host *host) static int sd_set_current_limit(struct mmc_card *card, u8 *status) { - int current_limit = SD_SET_CURRENT_NO_CHANGE; + int current_limit = SD_SET_CURRENT_LIMIT_200; int err; u32 max_current; @@ -598,11 +598,8 @@ static int sd_set_current_limit(struct mmc_card *card, u8 *status) else if (max_current >= 400 && card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_400) current_limit = SD_SET_CURRENT_LIMIT_400; - else if (max_current >= 200 && - card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_200) - current_limit = SD_SET_CURRENT_LIMIT_200; - if (current_limit != SD_SET_CURRENT_NO_CHANGE) { + if (current_limit != SD_SET_CURRENT_LIMIT_200) { err = mmc_sd_switch(card, SD_SWITCH_SET, 3, current_limit, status); if (err) |