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mmc: core: Detect eMMC v4.5 ext_csd entries

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The eMMC v4.5 Spec is released now:

EXT_CSD_REV	Extended CSD Revision
255-7		Reserved
6		Revision 1.6 (for MMC v4.5)
5		Revision 1.5 (for MMV v4.41)
...

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Kyungmin Park
2011-07-26 17:12:37 +09:00
committed by Chris Ball
parent d5a5bd1c3f
commit 38ca285044
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/core/mmc.c
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@@ -259,7 +259,7 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd)
} }
card->ext_csd.rev = ext_csd[EXT_CSD_REV]; card->ext_csd.rev = ext_csd[EXT_CSD_REV];
if (card->ext_csd.rev > 5) { if (card->ext_csd.rev > 6) {
printk(KERN_ERR "%s: unrecognised EXT_CSD revision %d\n", printk(KERN_ERR "%s: unrecognised EXT_CSD revision %d\n",
mmc_hostname(card->host), card->ext_csd.rev); mmc_hostname(card->host), card->ext_csd.rev);
err = -EINVAL; err = -EINVAL;