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path: root/drivers/mmc/host/sdhci-s3c.c
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Diffstat (limited to 'drivers/mmc/host/sdhci-s3c.c')
-rw-r--r--drivers/mmc/host/sdhci-s3c.c30
1 files changed, 16 insertions, 14 deletions
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 2903949594c6..a54dd5d7a5f9 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -211,8 +211,8 @@ static void sdhci_s3c_set_clock(struct sdhci_host *host, unsigned int clock)
211 if (ourhost->cur_clk != best_src) { 211 if (ourhost->cur_clk != best_src) {
212 struct clk *clk = ourhost->clk_bus[best_src]; 212 struct clk *clk = ourhost->clk_bus[best_src];
213 213
214 clk_enable(clk); 214 clk_prepare_enable(clk);
215 clk_disable(ourhost->clk_bus[ourhost->cur_clk]); 215 clk_disable_unprepare(ourhost->clk_bus[ourhost->cur_clk]);
216 216
217 /* turn clock off to card before changing clock source */ 217 /* turn clock off to card before changing clock source */
218 writew(0, host->ioaddr + SDHCI_CLOCK_CONTROL); 218 writew(0, host->ioaddr + SDHCI_CLOCK_CONTROL);
@@ -607,7 +607,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
607 } 607 }
608 608
609 /* enable the local io clock and keep it running for the moment. */ 609 /* enable the local io clock and keep it running for the moment. */
610 clk_enable(sc->clk_io); 610 clk_prepare_enable(sc->clk_io);
611 611
612 for (clks = 0, ptr = 0; ptr < MAX_BUS_CLK; ptr++) { 612 for (clks = 0, ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
613 struct clk *clk; 613 struct clk *clk;
@@ -638,7 +638,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
638 } 638 }
639 639
640#ifndef CONFIG_PM_RUNTIME 640#ifndef CONFIG_PM_RUNTIME
641 clk_enable(sc->clk_bus[sc->cur_clk]); 641 clk_prepare_enable(sc->clk_bus[sc->cur_clk]);
642#endif 642#endif
643 643
644 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 644 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -747,13 +747,14 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
747 sdhci_s3c_setup_card_detect_gpio(sc); 747 sdhci_s3c_setup_card_detect_gpio(sc);
748 748
749#ifdef CONFIG_PM_RUNTIME 749#ifdef CONFIG_PM_RUNTIME
750 clk_disable(sc->clk_io); 750 if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL)
751 clk_disable_unprepare(sc->clk_io);
751#endif 752#endif
752 return 0; 753 return 0;
753 754
754 err_req_regs: 755 err_req_regs:
755#ifndef CONFIG_PM_RUNTIME 756#ifndef CONFIG_PM_RUNTIME
756 clk_disable(sc->clk_bus[sc->cur_clk]); 757 clk_disable_unprepare(sc->clk_bus[sc->cur_clk]);
757#endif 758#endif
758 for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) { 759 for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
759 if (sc->clk_bus[ptr]) { 760 if (sc->clk_bus[ptr]) {
@@ -762,7 +763,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
762 } 763 }
763 764
764 err_no_busclks: 765 err_no_busclks:
765 clk_disable(sc->clk_io); 766 clk_disable_unprepare(sc->clk_io);
766 clk_put(sc->clk_io); 767 clk_put(sc->clk_io);
767 768
768 err_io_clk: 769 err_io_clk:
@@ -794,7 +795,8 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
794 gpio_free(sc->ext_cd_gpio); 795 gpio_free(sc->ext_cd_gpio);
795 796
796#ifdef CONFIG_PM_RUNTIME 797#ifdef CONFIG_PM_RUNTIME
797 clk_enable(sc->clk_io); 798 if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL)
799 clk_prepare_enable(sc->clk_io);
798#endif 800#endif
799 sdhci_remove_host(host, 1); 801 sdhci_remove_host(host, 1);
800 802
@@ -802,14 +804,14 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
802 pm_runtime_disable(&pdev->dev); 804 pm_runtime_disable(&pdev->dev);
803 805
804#ifndef CONFIG_PM_RUNTIME 806#ifndef CONFIG_PM_RUNTIME
805 clk_disable(sc->clk_bus[sc->cur_clk]); 807 clk_disable_unprepare(sc->clk_bus[sc->cur_clk]);
806#endif 808#endif
807 for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) { 809 for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
808 if (sc->clk_bus[ptr]) { 810 if (sc->clk_bus[ptr]) {
809 clk_put(sc->clk_bus[ptr]); 811 clk_put(sc->clk_bus[ptr]);
810 } 812 }
811 } 813 }
812 clk_disable(sc->clk_io); 814 clk_disable_unprepare(sc->clk_io);
813 clk_put(sc->clk_io); 815 clk_put(sc->clk_io);
814 816
815 if (pdev->dev.of_node) { 817 if (pdev->dev.of_node) {
@@ -849,8 +851,8 @@ static int sdhci_s3c_runtime_suspend(struct device *dev)
849 851
850 ret = sdhci_runtime_suspend_host(host); 852 ret = sdhci_runtime_suspend_host(host);
851 853
852 clk_disable(ourhost->clk_bus[ourhost->cur_clk]); 854 clk_disable_unprepare(ourhost->clk_bus[ourhost->cur_clk]);
853 clk_disable(busclk); 855 clk_disable_unprepare(busclk);
854 return ret; 856 return ret;
855} 857}
856 858
@@ -861,8 +863,8 @@ static int sdhci_s3c_runtime_resume(struct device *dev)
861 struct clk *busclk = ourhost->clk_io; 863 struct clk *busclk = ourhost->clk_io;
862 int ret; 864 int ret;
863 865
864 clk_enable(busclk); 866 clk_prepare_enable(busclk);
865 clk_enable(ourhost->clk_bus[ourhost->cur_clk]); 867 clk_prepare_enable(ourhost->clk_bus[ourhost->cur_clk]);
866 ret = sdhci_runtime_resume_host(host); 868 ret = sdhci_runtime_resume_host(host);
867 return ret; 869 return ret;
868} 870}