diff options
| author |   Roger Tseng <rogerable@realtek.com> | 2014-09-24 17:07:13 +0800 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2014-09-24 11:20:04 +0200 |
| commit | 8af465db967bf25a4617416c0cbaaaa506d444f5 (patch) | |
| tree | d596b7ab1c6007cec7a6f0a4ec5907f1cc15465a /include/linux/mmc | |
| parent | mmc: sdhci: execute tuning when device is not busy (diff) | |
| download | linux-dev-8af465db967bf25a4617416c0cbaaaa506d444f5.tar.xz linux-dev-8af465db967bf25a4617416c0cbaaaa506d444f5.zip | |
mmc: core: Add new power_mode MMC_POWER_UNDEFINED
Add MMC_POWER_UNDEFINED for power_mode in struct mmc_ios and use it as
the initial value of host->ios.power_mode.
For hosts with MMC_CAP2_NO_PRESCAN_POWERUP, this makes the later
mmc_power_off() do real power-off things instead of NOP, and further
prevents state messed up in cards that was already initialized (eg. by
BIOS of UEFI driver).
Signed-off-by: Roger Tseng <rogerable@realtek.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'include/linux/mmc')
| -rw-r--r-- | include/linux/mmc/host.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 797ae657dc3d..df0c15396bbf 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -42,6 +42,7 @@ struct mmc_ios { #define MMC_POWER_OFF 0 #define MMC_POWER_UP 1 #define MMC_POWER_ON 2 +#define MMC_POWER_UNDEFINED 3 unsigned char bus_width; /* data bus width */ |