Merge branch 'for-3.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj...

[firefly-linux-kernel-4.4.55.git] / drivers / mmc / host / mxcmmc.c

diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index b2058b4323209ba2a1a97aeabd21654655f02c0a..28ed52d58f7f5262d2ab9500095ee7ec478337f5 100644 (file)
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -136,7 +136,8 @@ struct mxcmci_host {
        u16                     rev_no;
        unsigned int            cmdat;
 
-       struct clk              *clk;
+       struct clk              *clk_ipg;
+       struct clk              *clk_per;
 
        int                     clock;
 
@@ -672,7 +673,7 @@ static void mxcmci_set_clk_rate(struct mxcmci_host *host, unsigned int clk_ios)
 {
        unsigned int divider;
        int prescaler = 0;
-       unsigned int clk_in = clk_get_rate(host->clk);
+       unsigned int clk_in = clk_get_rate(host->clk_per);
 
        while (prescaler <= 0x800) {
                for (divider = 1; divider <= 0xF; divider++) {
@@ -900,12 +901,20 @@ static int mxcmci_probe(struct platform_device *pdev)
        host->res = r;
        host->irq = irq;
 
-       host->clk = clk_get(&pdev->dev, NULL);
-       if (IS_ERR(host->clk)) {
-               ret = PTR_ERR(host->clk);
+       host->clk_ipg = devm_clk_get(&pdev->dev, "ipg");
+       if (IS_ERR(host->clk_ipg)) {
+               ret = PTR_ERR(host->clk_ipg);
                goto out_iounmap;
        }
-       clk_enable(host->clk);
+
+       host->clk_per = devm_clk_get(&pdev->dev, "per");
+       if (IS_ERR(host->clk_per)) {
+               ret = PTR_ERR(host->clk_per);
+               goto out_iounmap;
+       }
+
+       clk_prepare_enable(host->clk_per);
+       clk_prepare_enable(host->clk_ipg);
 
        mxcmci_softreset(host);
 
@@ -917,8 +926,8 @@ static int mxcmci_probe(struct platform_device *pdev)
                goto out_clk_put;
        }
 
-       mmc->f_min = clk_get_rate(host->clk) >> 16;
-       mmc->f_max = clk_get_rate(host->clk) >> 1;
+       mmc->f_min = clk_get_rate(host->clk_per) >> 16;
+       mmc->f_max = clk_get_rate(host->clk_per) >> 1;
 
        /* recommended in data sheet */
        writew(0x2db4, host->base + MMC_REG_READ_TO);
@@ -967,8 +976,8 @@ out_free_dma:
        if (host->dma)
                dma_release_channel(host->dma);
 out_clk_put:
-       clk_disable(host->clk);
-       clk_put(host->clk);
+       clk_disable_unprepare(host->clk_per);
+       clk_disable_unprepare(host->clk_ipg);
 out_iounmap:
        iounmap(host->base);
 out_free:
@@ -999,8 +1008,8 @@ static int mxcmci_remove(struct platform_device *pdev)
        if (host->dma)
                dma_release_channel(host->dma);
 
-       clk_disable(host->clk);
-       clk_put(host->clk);
+       clk_disable_unprepare(host->clk_per);
+       clk_disable_unprepare(host->clk_ipg);
 
        release_mem_region(host->res->start, resource_size(host->res));
 
@@ -1018,7 +1027,8 @@ static int mxcmci_suspend(struct device *dev)
 
        if (mmc)
                ret = mmc_suspend_host(mmc);
-       clk_disable(host->clk);
+       clk_disable_unprepare(host->clk_per);
+       clk_disable_unprepare(host->clk_ipg);
 
        return ret;
 }
@@ -1029,7 +1039,8 @@ static int mxcmci_resume(struct device *dev)
        struct mxcmci_host *host = mmc_priv(mmc);
        int ret = 0;
 
-       clk_enable(host->clk);
+       clk_prepare_enable(host->clk_per);
+       clk_prepare_enable(host->clk_ipg);
        if (mmc)
                ret = mmc_resume_host(mmc);