From: Vipul Kumar Date: Mon, 9 Apr 2018 12:45:16 +0000 (+0530) Subject: mmc: Added support to switch emmc to correct frequency X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=328b87fd3d6f81c4cd8e9f4fc1856724602c1a4f;p=thirdparty%2Fu-boot.git mmc: Added support to switch emmc to correct frequency When no-1-8-v is added in device tree, it slows down emmc to 25MHz. This patch fixed this issue by setting correct emmc frequency. Now, after adding no-1-8-v is added in device tree, it slows down emmc to 52MHz. Signed-off-by: Vipul Kumar Signed-off-by: Siva Durga Prasad Paladugu Signed-off-by: Michal Simek --- diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 061134959f0..a30c81d5e16 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -750,9 +750,9 @@ static int mmc_change_freq(struct mmc *mmc) return 0; /* High Speed is set, there are three types: 200MHZ, 52MHz and 26MHz */ - if (cardtype & EXT_CSD_CARD_TYPE_HS200) { + if (cardtype & EXT_CSD_CARD_TYPE_HS200) mmc->card_caps |= MMC_MODE_HS200; - } else if (cardtype & EXT_CSD_CARD_TYPE_52) { + if (cardtype & EXT_CSD_CARD_TYPE_52) { if (cardtype & EXT_CSD_CARD_TYPE_DDR_1_8V) mmc->card_caps |= MMC_MODE_DDR_52MHz; mmc->card_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS;