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MMC core:

Browse source 
- Don't re-tune in the reset sequence to allow re-init of the card
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Merge tag 'mmc-v4.3-rc5' of git://git.linaro.org/people/ulf.hansson/mmc

Pull MMC bugfix from Ulf Hansson:
 "Here's yet another MMC fix intended for v4.3 rc7.  I don't expect to
  send any further pull requests for 4.3 rc[n].

  MMC core:
   - Don't re-tune in the reset sequence to allow re-init of the card"

* tag 'mmc-v4.3-rc5' of git://git.linaro.org/people/ulf.hansson/mmc:
  mmc: core: Fix init_card in 52Mhz
This commit is contained in:
Linus Torvalds 2015-10-22 06:31:27 +09:00
commit 7f67786330
2 changed files with 3 additions and 13 deletions
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9
drivers/mmc/card/mmc_test.c
View file

@ -2263,15 +2263,12 @@ static int mmc_test_profile_sglen_r_nonblock_perf(struct mmc_test_card *test)
/*
* eMMC hardware reset.
*/
static int mmc_test_hw_reset(struct mmc_test_card *test)
static int mmc_test_reset(struct mmc_test_card *test)
{
struct mmc_card *card = test->card;
struct mmc_host *host = card->host;
int err;
if (!mmc_card_mmc(card) || !mmc_can_reset(card))
return RESULT_UNSUP_CARD;
err = mmc_hw_reset(host);
if (!err)
return RESULT_OK;
@ -2605,8 +2602,8 @@ static const struct mmc_test_case mmc_test_cases[] = {
},
{
.name = "eMMC hardware reset",
.run = mmc_test_hw_reset,
.name = "Reset test",
.run = mmc_test_reset,
},
};

7
drivers/mmc/core/mmc.c
View file

@ -1924,7 +1924,6 @@ EXPORT_SYMBOL(mmc_can_reset);
static int mmc_reset(struct mmc_host *host)
{
struct mmc_card *card = host->card;
u32 status;
if (!(host->caps & MMC_CAP_HW_RESET) || !host->ops->hw_reset)
return -EOPNOTSUPP;
@ -1937,12 +1936,6 @@ static int mmc_reset(struct mmc_host *host)
host->ops->hw_reset(host);
/* If the reset has happened, then a status command will fail */
if (!mmc_send_status(card, &status)) {
mmc_host_clk_release(host);
return -ENOSYS;
}
/* Set initial state and call mmc_set_ios */
mmc_set_initial_state(host);
mmc_host_clk_release(host);