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authorAlexey Skidanov <alexey.skidanov@sandisk.com>2015-01-29 11:49:43 +0300
committerUlf Hansson <ulf.hansson@linaro.org>2015-01-29 13:15:12 +0300
commit0501be6429e4eb02f417ad83eacd84b8c57b0283 (patch)
treec56a75eb3b4c00bdab0925cb6e72e15e592684d4 /include/linux
parent14460dbaf7a5a0488963fdb8232ad5c8a8cca7b7 (diff)
downloadlinux-0501be6429e4eb02f417ad83eacd84b8c57b0283.tar.xz
mmc: Resolve BKOPS compatability issue
This patch is coming to fix compatibility issue of BKOPS_EN field of EXT_CSD. In eMMC-5.1, BKOPS_EN was changed, and now it has two operational bits: Bit 0 - MANUAL_EN Bit 1 - AUTO_EN In previous eMMC revisions, only Bit 0 was supported. Signed-off-by: Alexey Skidanov <alexey.skidanov@sandisk.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/mmc/card.h2
-rw-r--r--include/linux/mmc/mmc.h5
2 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 4d69c00497bd..a6cf4c063e4e 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -83,7 +83,7 @@ struct mmc_ext_csd {
bool hpi; /* HPI support bit */
unsigned int hpi_cmd; /* cmd used as HPI */
bool bkops; /* background support bit */
- bool bkops_en; /* background enable bit */
+ bool man_bkops_en; /* manual bkops enable bit */
unsigned int data_sector_size; /* 512 bytes or 4KB */
unsigned int data_tag_unit_size; /* DATA TAG UNIT size */
unsigned int boot_ro_lock; /* ro lock support */
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index fb97b5cc91cd..124f562118b8 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -428,6 +428,11 @@ struct _mmc_csd {
#define EXT_CSD_BKOPS_LEVEL_2 0x2
/*
+ * BKOPS modes
+ */
+#define EXT_CSD_MANUAL_BKOPS_MASK 0x01
+
+/*
* MMC_SWITCH access modes
*/