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[U-Boot,1/2] mmc: sdhci: Clear high speed if not supported

Message ID 3e754bf8642f443ac8170742cdbb6eadfc23f4d0.1452778699.git.michal.simek@xilinx.com
State Accepted
Commit 429790026021d522d51617217d4b86218cca5750
Delegated to: Michal Simek
Headers show

Commit Message

Michal Simek Jan. 14, 2016, 1:38 p.m. UTC 
From: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>

Clear high speed bit if it was not supported by
the driver.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Emil Lenchak <emill@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

 drivers/mmc/sdhci.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 02d71b934409..ff770b16e27a 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -530,6 +530,10 @@  int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk)
 		if (caps & SDHCI_CAN_DO_8BIT)
 			host->cfg.host_caps |= MMC_MODE_8BIT;
 	}
+
+	if (host->quirks & SDHCI_QUIRK_NO_HISPD_BIT)
+		host->cfg.host_caps &= ~(MMC_MODE_HS | MMC_MODE_HS_52MHz);
+
 	if (host->host_caps)
 		host->cfg.host_caps |= host->host_caps;