From: 21cnbao@gmail.com (Barry Song)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] mmc: sirf: fix the capbility to support DDR50
Date: Tue, 11 Aug 2015 08:42:47 +0000 [thread overview]
Message-ID: <1439282567-6362-1-git-send-email-21cnbao@gmail.com> (raw)
From: Weijun Yang <york.yang@csr.com>
According to hardware spec, validate DDR50 mode
for SDXC.
Signed-off-by: Weijun Yang <york.yang@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
---
drivers/mmc/host/sdhci-sirf.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/host/sdhci-sirf.c b/drivers/mmc/host/sdhci-sirf.c
index 0110bae..03efcfc 100644
--- a/drivers/mmc/host/sdhci-sirf.c
+++ b/drivers/mmc/host/sdhci-sirf.c
@@ -50,7 +50,8 @@ static u32 sdhci_sirf_readl_le(struct sdhci_host *host, int reg)
if (unlikely((reg == SDHCI_CAPABILITIES_1) &&
(host->mmc->caps & MMC_CAP_UHS_SDR50))) {
/* fake CAP_1 register */
- val = SDHCI_SUPPORT_SDR50 | SDHCI_USE_SDR50_TUNING;
+ val = SDHCI_SUPPORT_DDR50 |
+ SDHCI_SUPPORT_SDR50 | SDHCI_USE_SDR50_TUNING;
}
if (unlikely(reg == SDHCI_SLOT_INT_STATUS)) {
--
1.9.1
reply other threads:[~2015-08-11 8:42 UTC|newest]
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