* [PATCH] mmc: sdhci-brcmstb: Remove incorrect capability
@ 2016-08-19 2:30 Jaedon Shin
0 siblings, 0 replies; only message in thread
From: Jaedon Shin @ 2016-08-19 2:30 UTC (permalink / raw)
To: Al Cooper, Adrian Hunter, Ulf Hansson
Cc: Florian Fainelli, linux-mmc, bcm-kernel-feedback-list,
Jaedon Shin
Removes incorrect 64-bit ADMA capability on Broadcom MIPS based SoCs.
The MIPS based BRCMSTB SDHCI host controllers are using ADMA only, but
the several chipsets have a incorrect capability about ADMA 64-bit.
Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
---
drivers/mmc/host/sdhci-brcmstb.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/mmc/host/sdhci-brcmstb.c b/drivers/mmc/host/sdhci-brcmstb.c
index cce10fe3e19e..683bfc2af512 100644
--- a/drivers/mmc/host/sdhci-brcmstb.c
+++ b/drivers/mmc/host/sdhci-brcmstb.c
@@ -98,6 +98,8 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev)
* properties through mmc_of_parse().
*/
host->caps = sdhci_readl(host, SDHCI_CAPABILITIES);
+ if (IS_ENABLED(CONFIG_MIPS))
+ host->caps &= ~SDHCI_CAN_64BIT;
host->caps1 = sdhci_readl(host, SDHCI_CAPABILITIES_1);
host->caps1 &= ~(SDHCI_SUPPORT_SDR50 | SDHCI_SUPPORT_SDR104 |
SDHCI_SUPPORT_DDR50);
--
2.9.3
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2016-08-19 2:30 [PATCH] mmc: sdhci-brcmstb: Remove incorrect capability Jaedon Shin
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