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Commit 29d92826 authored by Ritesh Harjani's avatar Ritesh Harjani Committed by Gerrit - the friendly Code Review server
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mmc: sdhci-msm: Correct the CDR toggle logic 



We should keep either one of CDR_EN or CDR_EXT_EN enabled.
So correct this logic in toggle CDR function.

CRs-fixed: 759398
Change-Id: Ic137ae2a28e912ab131644ff9d81e41f4256dd05
Signed-off-by: default avatarRitesh Harjani <riteshh@codeaurora.org>
parent f81efd12

drivers/mmc/host/sdhci-msm.c

+12 −8
Original line number Diff line number Diff line
@@ -2372,14 +2372,18 @@ static void sdhci_msm_check_power_status(struct sdhci_host *host, u32 req_type) 


static void sdhci_msm_toggle_cdr(struct sdhci_host *host, bool enable)

{

	if (enable)

		writel_relaxed((readl_relaxed(host->ioaddr +

					      CORE_DLL_CONFIG) | CORE_CDR_EN),

			       host->ioaddr + CORE_DLL_CONFIG);

	else

		writel_relaxed((readl_relaxed(host->ioaddr +

					      CORE_DLL_CONFIG) & ~CORE_CDR_EN),

			       host->ioaddr + CORE_DLL_CONFIG);

	u32 config;

	config = readl_relaxed(host->ioaddr + CORE_DLL_CONFIG);



	if (enable) {

		config |= CORE_CDR_EN;

		config &= ~CORE_CDR_EXT_EN;

		writel_relaxed(config, host->ioaddr + CORE_DLL_CONFIG);

	} else {

		config &= ~CORE_CDR_EN;

		config |= CORE_CDR_EXT_EN;

		writel_relaxed(config, host->ioaddr + CORE_DLL_CONFIG);

	}

}



static unsigned int sdhci_msm_max_segs(void)