diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2017-10-15 14:46:14 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-10-30 11:50:38 +0100 |
| commit | 6186d06c519e217351fac95b545f334f8582af90 (patch) | |
| tree | 6f33649e4f1f833bf3639a5794480f7d797bdf68 /drivers/mmc/core/mmc.c | |
| parent | f7834cbd907abb5d4d84f85dba5a7321e5a37b83 (diff) | |
mmc: parse new binding for eMMC fixed driver type
Parse the new binding and store it in the host struct after doing some
sanity checks. The code is designed to support fixed SD driver type if
we ever need that.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/core/mmc.c')
| -rw-r--r-- | drivers/mmc/core/mmc.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 066efbb89483..a552f61060d2 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1291,13 +1291,18 @@ out_err: static void mmc_select_driver_type(struct mmc_card *card) { int card_drv_type, drive_strength, drv_type; + int fixed_drv_type = card->host->fixed_drv_type; card_drv_type = card->ext_csd.raw_driver_strength | mmc_driver_type_mask(0); - drive_strength = mmc_select_drive_strength(card, - card->ext_csd.hs200_max_dtr, - card_drv_type, &drv_type); + if (fixed_drv_type >= 0) + drive_strength = card_drv_type & mmc_driver_type_mask(fixed_drv_type) + ? fixed_drv_type : 0; + else + drive_strength = mmc_select_drive_strength(card, + card->ext_csd.hs200_max_dtr, + card_drv_type, &drv_type); card->drive_strength = drive_strength; |