From: Lucas Stach Date: Tue, 22 Dec 2015 18:41:04 +0000 (+0100) Subject: mmc: tegra: use correct accessor for misc ctrl register X-Git-Tag: v4.5-rc1~155^2~3 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=1b84def8bf86ae9a39940c12a20ce9a2dfd66d56;p=linux.git mmc: tegra: use correct accessor for misc ctrl register The misc control register is 32bit wide, the used readw/writew accessors only mainipulate the low 16bit of this register. It currently doesn't matter as all the bit changed are located in the lower half, but together with the u32 variable used to hold the contents of the register it is seriously confusing. Switch to 32bit accessors to avoid any future breakage. Signed-off-by: Lucas Stach Signed-off-by: Ulf Hansson --- diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index ff2eefe9f237..83c4bf7bc16c 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -140,7 +140,7 @@ static void tegra_sdhci_reset(struct sdhci_host *host, u8 mask) if (!(mask & SDHCI_RESET_ALL)) return; - misc_ctrl = sdhci_readw(host, SDHCI_TEGRA_VENDOR_MISC_CTRL); + misc_ctrl = sdhci_readl(host, SDHCI_TEGRA_VENDOR_MISC_CTRL); /* Erratum: Enable SDHCI spec v3.00 support */ if (soc_data->nvquirks & NVQUIRK_ENABLE_SDHCI_SPEC_300) misc_ctrl |= SDHCI_MISC_CTRL_ENABLE_SDHCI_SPEC_300; @@ -151,7 +151,7 @@ static void tegra_sdhci_reset(struct sdhci_host *host, u8 mask) misc_ctrl |= SDHCI_MISC_CTRL_ENABLE_DDR50; if (soc_data->nvquirks & NVQUIRK_ENABLE_SDR104) misc_ctrl |= SDHCI_MISC_CTRL_ENABLE_SDR104; - sdhci_writew(host, misc_ctrl, SDHCI_TEGRA_VENDOR_MISC_CTRL); + sdhci_writel(host, misc_ctrl, SDHCI_TEGRA_VENDOR_MISC_CTRL); clk_ctrl = sdhci_readl(host, SDHCI_TEGRA_VENDOR_CLOCK_CTRL); clk_ctrl &= ~SDHCI_CLOCK_CTRL_SPI_MODE_CLKEN_OVERRIDE;