[PATCH 1/2] davinci: MMC: Add a function to control reset ... - Linux

[PATCH 1/2] davinci: MMC: Add a function to control reset state of the controller
− temp &= ~(MMCCTL_CMDRST | MMCCTL_DATRST);
− udelay(10);
writel(temp, host−>base + DAVINCI_MMCCTL);
+ udelay(10);
+}
+
+static void
+davinci_abort_data(struct mmc_davinci_host *host, struct mmc_data *data)
+{
+ mmc_davinci_reset_ctrl(host, 1);
+ mmc_davinci_reset_ctrl(host, 0);
}
static irqreturn_t mmc_davinci_irq(int irq, void *dev_id)
@@ −1125,15 +1132,8 @@ static inline void mmc_davinci_cpufreq_deregister(struct mmc_davinci_host
*host)
#endif
static void __init init_mmcsd_host(struct mmc_davinci_host *host)
{
− /* DAT line portion is diabled and in reset state */
− writel(readl(host−>base + DAVINCI_MMCCTL) | MMCCTL_DATRST,
− host−>base + DAVINCI_MMCCTL);
−
− /* CMD line portion is diabled and in reset state */
− writel(readl(host−>base + DAVINCI_MMCCTL) | MMCCTL_CMDRST,
− host−>base + DAVINCI_MMCCTL);
− udelay(10);
+ mmc_davinci_reset_ctrl(host, 1);
writel(0, host−>base + DAVINCI_MMCCLK);
writel(MMCCLK_CLKEN, host−>base + DAVINCI_MMCCLK);
@@ −1141,12 +1141,7 @@ static void __init init_mmcsd_host(struct mmc_davinci_host *host)
writel(0x1FFF, host−>base + DAVINCI_MMCTOR);
writel(0xFFFF, host−>base + DAVINCI_MMCTOD);
− writel(readl(host−>base + DAVINCI_MMCCTL) & ~MMCCTL_DATRST,
− host−>base + DAVINCI_MMCCTL);
− writel(readl(host−>base + DAVINCI_MMCCTL) & ~MMCCTL_CMDRST,
− host−>base + DAVINCI_MMCCTL);
−
− udelay(10);
+ mmc_davinci_reset_ctrl(host, 0);
}
static int __init davinci_mmcsd_probe(struct platform_device *pdev)
−−
1.7.0.2
−−
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[PATCH 1/2] davinci: MMC: Add a function to control reset state of the controller 2