summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mmc/host/sdhci-s3c.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 0c77b10d2619..4d9acf833590 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -208,10 +208,12 @@ static void sdhci_s3c_set_clock(struct sdhci_host *host, unsigned int clock)
best_src, clock, best);
/* select the new clock source */
-
if (ourhost->cur_clk != best_src) {
struct clk *clk = ourhost->clk_bus[best_src];
+ clk_enable(clk);
+ clk_disable(ourhost->clk_bus[ourhost->cur_clk]);
+
/* turn clock off to card before changing clock source */
writew(0, host->ioaddr + SDHCI_CLOCK_CONTROL);
@@ -625,8 +627,6 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
*/
sc->cur_clk = ptr;
- clk_enable(clk);
-
dev_info(dev, "clock source %d: %s (%ld Hz)\n",
ptr, name, clk_get_rate(clk));
}
@@ -637,6 +637,8 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
goto err_no_busclks;
}
+ clk_enable(sc->clk_bus[sc->cur_clk]);
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
host->ioaddr = devm_request_and_ioremap(&pdev->dev, res);
if (!host->ioaddr) {
@@ -745,9 +747,9 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
return 0;
err_req_regs:
+ clk_disable(sc->clk_bus[sc->cur_clk]);
for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
if (sc->clk_bus[ptr]) {
- clk_disable(sc->clk_bus[ptr]);
clk_put(sc->clk_bus[ptr]);
}
}
@@ -788,9 +790,9 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
+ clk_disable(sc->clk_bus[sc->cur_clk]);
for (ptr = 0; ptr < 3; ptr++) {
if (sc->clk_bus[ptr]) {
- clk_disable(sc->clk_bus[ptr]);
clk_put(sc->clk_bus[ptr]);
}
}