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| author |   harish_kandiga@mentor.com <harish_kandiga@mentor.com> | 2018-04-10 12:30:31 +0530 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2018-05-02 15:08:39 +0200 |
| commit | ebc5a1bf4f2afc2f2b348320dcfb45a8c0ac3de5 (patch) | |
| tree | a3444f451f815f7e4d05b31c67c5b00e996c85ec /include/linux/mmc | |
| parent | mmc: dw_mmc: fix misleading comment in dw_mci_rk3288_set_ios (diff) | |
| download | linux-dev-ebc5a1bf4f2afc2f2b348320dcfb45a8c0ac3de5.tar.xz linux-dev-ebc5a1bf4f2afc2f2b348320dcfb45a8c0ac3de5.zip | |
mmc: core: Add a new quirk for limiting clock rate
This patch adds a quirk to limit clock rate which
can be used to reduce the SDIO clock rate for some
chips with broken UHS.
Signed-off-by: Harish Jenny K N <harish_kandiga@mentor.com>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'include/linux/mmc')
| -rw-r--r-- | include/linux/mmc/card.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index 279b39008a33..5ebc47855721 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -252,6 +252,7 @@ struct mmc_card { #define MMC_TYPE_SD_COMBO 3 /* SD combo (IO+mem) card */ unsigned int state; /* (our) card state */ unsigned int quirks; /* card quirks */ + unsigned int quirk_max_rate; /* max rate set by quirks */ #define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */ #define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */ /* for byte mode */ |