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Commit 72765263 authored by Krishna Konda's avatar Krishna Konda Committed by Stepan Moskovchenko
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mmc: sdhci-msm: set dma mask for lpae/64-bit machines 



On machines that support more than 32-bit address via lpae or 64-bit buses
set the dma mask as 64-bit.

Change-Id: Ida88f3999fd5e7d09ebe73bb3481d3f1f4cf30c2
Signed-off-by: default avatarKrishna Konda <kkonda@codeaurora.org>
parent 3a5255f7

drivers/mmc/host/sdhci-msm.c

+8 −1
Original line number Diff line number Diff line
@@ -103,6 +103,9 @@ enum sdc_mpm_pin_state { 
#define CORE_HC_SELECT_IN_HS400	(6 << 19)

#define CORE_HC_SELECT_IN_MASK	(7 << 19)



#define CORE_VENDOR_SPEC_CAPABILITIES0	0x11C

#define CORE_SYS_BUS_SUPPORT_64_BIT	28



#define CORE_VENDOR_SPEC_ADMA_ERR_ADDR0	0x114

#define CORE_VENDOR_SPEC_ADMA_ERR_ADDR1	0x118
@@ -3107,7 +3110,11 @@ static int sdhci_msm_probe(struct platform_device *pdev) 
		}

	}



	if (dma_supported(mmc_dev(host->mmc), DMA_BIT_MASK(32))) {

	if ((sdhci_readl(host, SDHCI_CAPABILITIES) & SDHCI_CAN_64BIT) &&

		(dma_supported(mmc_dev(host->mmc), DMA_BIT_MASK(64)))) {

		host->dma_mask = DMA_BIT_MASK(64);

		mmc_dev(host->mmc)->dma_mask = &host->dma_mask;

	} else if (dma_supported(mmc_dev(host->mmc), DMA_BIT_MASK(32))) {

		host->dma_mask = DMA_BIT_MASK(32);

		mmc_dev(host->mmc)->dma_mask = &host->dma_mask;

	} else {