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mmc: Adding AUTO_BKOPS_EN bit set for Auto BKOPS support

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Adding dedicated flag for AUTO_BKOPS in card->ext_csd structure.
Read AUTO_BKOPS bit value from the device EXT_CSD and set to the
card->ext_csd structure.
In mmc_decode_ext_csd() add a print message in case the AUTO_BKOPS
is enabled

Signed-off-by: Uri Yanai <uri.yanai@sandisk.com>
Signed-off-by: Alex Lemberg <alex.lemberg@sandisk.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Uri Yanai
2017-02-07 18:00:01 +02:00
committed by Ulf Hansson
parent 6962c2fb20
commit efff8e7879
3 changed files with 8 additions and 0 deletions
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6
drivers/mmc/core/mmc.c
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@@ -546,6 +546,12 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd)
if (card->ext_csd.man_bkops_en)
pr_debug("%s: MAN_BKOPS_EN bit is set\n",
mmc_hostname(card->host));
card->ext_csd.auto_bkops_en =
(ext_csd[EXT_CSD_BKOPS_EN] &
EXT_CSD_AUTO_BKOPS_MASK);
if (card->ext_csd.auto_bkops_en)
pr_debug("%s: AUTO_BKOPS_EN bit is set\n",
mmc_hostname(card->host));
}
/* check whether the eMMC card supports HPI */