diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2011-09-23 12:48:21 +0300 |
|---|---|---|
| committer | Ulf HANSSON <ulf.hansson@stericsson.com> | 2011-10-11 12:16:10 +0200 |
| commit | e0d98dafbd90d90bef9be636e9576b5fd8b42366 (patch) | |
| tree | 0164a01c6e83e45cca065ea228753e204753ca63 /include | |
| parent | b3a1c1e6c95bc398db92575a0cbfeb82a1e7cd9f (diff) | |
mmc: block: support no access to boot partitions
Intel Medfield platform blocks access to eMMC boot partitions which
results in switch errors. Since there is no access, mmcboot0/1
devices should not be created. Add a host capability to reflect that.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Change-Id: Idd40bbd8f8809afcabb385c2492680ff8182877e
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/33630
Reviewed-by: Ulf HANSSON <ulf.hansson@stericsson.com>
Tested-by: Ulf HANSSON <ulf.hansson@stericsson.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mmc/host.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 6007853b493..1c77d49d6a8 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -236,6 +236,10 @@ struct mmc_host { #define MMC_CAP_CMD23 (1 << 30) /* CMD23 supported. */ #define MMC_CAP_HW_RESET (1 << 31) /* Hardware reset */ + unsigned int caps2; /* More host capabilities */ + +#define MMC_CAP2_BOOTPART_NOACC (1 << 0) /* Boot partition no access */ + mmc_pm_flag_t pm_caps; /* supported pm features */ #ifdef CONFIG_MMC_CLKGATE @@ -437,5 +441,11 @@ static inline int mmc_host_cmd23(struct mmc_host *host) { return host->caps & MMC_CAP_CMD23; } + +static inline int mmc_boot_partition_access(struct mmc_host *host) +{ + return !(host->caps2 & MMC_CAP2_BOOTPART_NOACC); +} + #endif |