Commit 0f310a05 authored by Thomas Abraham's avatar Thomas Abraham Committed by Chris Ball
Browse files

mmc: sdhci-s3c: use clk_prepare_enable and clk_disable_unprepare 



Convert clk_enable/clk_disable to clk_prepare_enable/clk_disable_unprepare
calls as required by common clock framework.

Signed-off-by: default avatarThomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
parent 8e2b36ea

drivers/mmc/host/sdhci-s3c.c

+14 −14
Original line number Diff line number Diff line
@@ -211,8 +211,8 @@ static void sdhci_s3c_set_clock(struct sdhci_host *host, unsigned int clock) 
	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]);

		clk_prepare_enable(clk);

		clk_disable_unprepare(ourhost->clk_bus[ourhost->cur_clk]);



		/* turn clock off to card before changing clock source */

		writew(0, host->ioaddr + SDHCI_CLOCK_CONTROL);
@@ -607,7 +607,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) 
	}



	/* enable the local io clock and keep it running for the moment. */

	clk_enable(sc->clk_io);

	clk_prepare_enable(sc->clk_io);



	for (clks = 0, ptr = 0; ptr < MAX_BUS_CLK; ptr++) {

		struct clk *clk;
@@ -638,7 +638,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) 
	}



#ifndef CONFIG_PM_RUNTIME

	clk_enable(sc->clk_bus[sc->cur_clk]);

	clk_prepare_enable(sc->clk_bus[sc->cur_clk]);

#endif



	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -747,13 +747,13 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) 
		sdhci_s3c_setup_card_detect_gpio(sc);



#ifdef CONFIG_PM_RUNTIME

	clk_disable(sc->clk_io);

	clk_disable_unprepare(sc->clk_io);

#endif

	return 0;



 err_req_regs:

#ifndef CONFIG_PM_RUNTIME

	clk_disable(sc->clk_bus[sc->cur_clk]);

	clk_disable_unprepare(sc->clk_bus[sc->cur_clk]);

#endif

	for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {

		if (sc->clk_bus[ptr]) {
@@ -762,7 +762,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) 
	}



 err_no_busclks:

	clk_disable(sc->clk_io);

	clk_disable_unprepare(sc->clk_io);

	clk_put(sc->clk_io);



 err_io_clk:
@@ -794,7 +794,7 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev) 
		gpio_free(sc->ext_cd_gpio);



#ifdef CONFIG_PM_RUNTIME

	clk_enable(sc->clk_io);

	clk_prepare_enable(sc->clk_io);

#endif

	sdhci_remove_host(host, 1);
@@ -802,14 +802,14 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev) 
	pm_runtime_disable(&pdev->dev);



#ifndef CONFIG_PM_RUNTIME

	clk_disable(sc->clk_bus[sc->cur_clk]);

	clk_disable_unprepare(sc->clk_bus[sc->cur_clk]);

#endif

	for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {

		if (sc->clk_bus[ptr]) {

			clk_put(sc->clk_bus[ptr]);

		}

	}

	clk_disable(sc->clk_io);

	clk_disable_unprepare(sc->clk_io);

	clk_put(sc->clk_io);



	if (pdev->dev.of_node) {
@@ -849,8 +849,8 @@ static int sdhci_s3c_runtime_suspend(struct device *dev) 


	ret = sdhci_runtime_suspend_host(host);



	clk_disable(ourhost->clk_bus[ourhost->cur_clk]);

	clk_disable(busclk);

	clk_disable_unprepare(ourhost->clk_bus[ourhost->cur_clk]);

	clk_disable_unprepare(busclk);

	return ret;

}
@@ -861,8 +861,8 @@ static int sdhci_s3c_runtime_resume(struct device *dev) 
	struct clk *busclk = ourhost->clk_io;

	int ret;



	clk_enable(busclk);

	clk_enable(ourhost->clk_bus[ourhost->cur_clk]);

	clk_prepare_enable(busclk);

	clk_prepare_enable(ourhost->clk_bus[ourhost->cur_clk]);

	ret = sdhci_runtime_resume_host(host);

	return ret;

}