diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2020-08-21 08:35:33 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2020-09-07 09:11:29 +0200 |
| commit | 6932794192f63c5e105eade19fba26b8ef29ec79 (patch) | |
| tree | a19d6f9ac4805455501d10e339843684d4e90b32 /include/linux/mmc | |
| parent | 46f4a69ec8ed6ab9f6a6172afe50df792c8bc1b6 (diff) | |
mmc: core: Improve documentation of MMC_CAP_HW_RESET
MMC_CAP_HW_RESET means that the controller is capable of resetting the eMMC
device via RST_n signal, not a reset of the controller. Two drivers got
this wrong, so let's make it more clear.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20200821063533.3771-1-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'include/linux/mmc')
| -rw-r--r-- | include/linux/mmc/host.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index c5b6e97cb21a..799e23b0a23c 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -163,6 +163,7 @@ struct mmc_host_ops { int (*select_drive_strength)(struct mmc_card *card, unsigned int max_dtr, int host_drv, int card_drv, int *drv_type); + /* Reset the eMMC card via RST_n */ void (*hw_reset)(struct mmc_host *host); void (*card_event)(struct mmc_host *host); @@ -346,7 +347,7 @@ struct mmc_host { #define MMC_CAP_CD_WAKE (1 << 28) /* Enable card detect wake */ #define MMC_CAP_CMD_DURING_TFR (1 << 29) /* Commands during data transfer */ #define MMC_CAP_CMD23 (1 << 30) /* CMD23 supported. */ -#define MMC_CAP_HW_RESET (1 << 31) /* Hardware reset */ +#define MMC_CAP_HW_RESET (1 << 31) /* Reset the eMMC card via RST_n */ u32 caps2; /* More host capabilities */ |