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authorNeilBrown <neilb@suse.de>2014-11-12 14:55:19 +1100
committerUlf Hansson <ulf.hansson@linaro.org>2014-11-26 14:30:59 +0100
commit006fc51cb3ab42960fa4f246c772ad12e45a3a9b (patch)
tree8e0df6c55a6cc8cc11e2061f07f14f35360f3fc7 /drivers/mmc
parent59b6c9e0ad9f2578ff8b2ef8c718bcb8b895fefb (diff)
downloadtalos-obmc-linux-006fc51cb3ab42960fa4f246c772ad12e45a3a9b.tar.gz
talos-obmc-linux-006fc51cb3ab42960fa4f246c772ad12e45a3a9b.zip
mmc: core: reset sdio card properly on resume.
mmc_sdio_power_restore() calls mmc_send_if_cond(host, host->card->ocr); ret = mmc_send_io_op_cond(host, 0, NULL); between mmc_go_idle() and mmc_sdio_init_card(). mmc_sdio_resume() needs to as well, else my libertas sdio wifi device doesn't resume properly from suspend. Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/core/sdio.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index f0ddb0d28536..fd0750b5a634 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -980,8 +980,12 @@ static int mmc_sdio_resume(struct mmc_host *host)
if (mmc_card_is_removable(host) || !mmc_card_keep_power(host)) {
sdio_reset(host);
mmc_go_idle(host);
- err = mmc_sdio_init_card(host, host->card->ocr, host->card,
- mmc_card_keep_power(host));
+ mmc_send_if_cond(host, host->card->ocr);
+ err = mmc_send_io_op_cond(host, 0, NULL);
+ if (!err)
+ err = mmc_sdio_init_card(host, host->card->ocr,
+ host->card,
+ mmc_card_keep_power(host));
} else if (mmc_card_keep_power(host) && mmc_card_wake_sdio_irq(host)) {
/* We may have switched to 1-bit mode during suspend */
err = sdio_enable_4bit_bus(host->card);
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