mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-29 23:53:32 +00:00
Code Issues Releases Wiki Activity

mmc: core: Revert "skip card initialization if power class selection fails"

Browse source 
This reverts commit 3d93576e(skip card initialization if
power class selection fails).
Problem has been reported when this is used with eMMC4.41
card with Tegra Platform. Till the issue is root caused,
bus width selection failure should not be treated as fatal.

Reported-by: Marc Dietrich <marvin24@gmx.de>
Signed-Off-by: Venkatraman S <svenkatr@ti.com>
CC: Ulf Hansson <ulf.hansson@stericsson.com>
CC: Subhash Jadavani <subhashj@codeaurora.org>
CC: Saugata Das <saugata.das@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Venkatraman S 2012-07-02 12:26:34 +05:30 committed by Chris Ball
parent 5db9a4d99b
commit 87f761b6c0
1 changed files with 11 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
drivers/mmc/core/mmc.c
View file

@ -717,10 +717,6 @@ static int mmc_select_powerclass(struct mmc_card *card,
card->ext_csd.generic_cmd6_time);
}
if (err)
pr_err("%s: power class selection for ext_csd_bus_width %d"
" failed\n", mmc_hostname(card->host), bus_width);
return err;
}
@ -1104,7 +1100,9 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
EXT_CSD_BUS_WIDTH_8 : EXT_CSD_BUS_WIDTH_4;
err = mmc_select_powerclass(card, ext_csd_bits, ext_csd);
if (err)
goto err;
pr_warning("%s: power class selection to bus width %d"
" failed\n", mmc_hostname(card->host),
1 << bus_width);
}
/*
@ -1136,7 +1134,10 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
err = mmc_select_powerclass(card, ext_csd_bits[idx][0],
ext_csd);
if (err)
goto err;
pr_warning("%s: power class selection to "
"bus width %d failed\n",
mmc_hostname(card->host),
1 << bus_width);
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_BUS_WIDTH,
@ -1164,7 +1165,10 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
err = mmc_select_powerclass(card, ext_csd_bits[idx][1],
ext_csd);
if (err)
goto err;
pr_warning("%s: power class selection to "
"bus width %d ddr %d failed\n",
mmc_hostname(card->host),
1 << bus_width, ddr);
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_BUS_WIDTH,