diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-s3c2410.c')
-rw-r--r-- | drivers/i2c/busses/i2c-s3c2410.c | 71 |
1 files changed, 36 insertions, 35 deletions
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 1b582262e677..58cfd3111ef6 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c | |||
@@ -760,24 +760,23 @@ static void s3c24xx_i2c_free(struct s3c24xx_i2c *i2c) | |||
760 | * called by the bus driver when a suitable device is found | 760 | * called by the bus driver when a suitable device is found |
761 | */ | 761 | */ |
762 | 762 | ||
763 | static int s3c24xx_i2c_probe(struct device *dev) | 763 | static int s3c24xx_i2c_probe(struct platform_device *pdev) |
764 | { | 764 | { |
765 | struct platform_device *pdev = to_platform_device(dev); | ||
766 | struct s3c24xx_i2c *i2c = &s3c24xx_i2c; | 765 | struct s3c24xx_i2c *i2c = &s3c24xx_i2c; |
767 | struct resource *res; | 766 | struct resource *res; |
768 | int ret; | 767 | int ret; |
769 | 768 | ||
770 | /* find the clock and enable it */ | 769 | /* find the clock and enable it */ |
771 | 770 | ||
772 | i2c->dev = dev; | 771 | i2c->dev = &pdev->dev; |
773 | i2c->clk = clk_get(dev, "i2c"); | 772 | i2c->clk = clk_get(&pdev->dev, "i2c"); |
774 | if (IS_ERR(i2c->clk)) { | 773 | if (IS_ERR(i2c->clk)) { |
775 | dev_err(dev, "cannot get clock\n"); | 774 | dev_err(&pdev->dev, "cannot get clock\n"); |
776 | ret = -ENOENT; | 775 | ret = -ENOENT; |
777 | goto out; | 776 | goto out; |
778 | } | 777 | } |
779 | 778 | ||
780 | dev_dbg(dev, "clock source %p\n", i2c->clk); | 779 | dev_dbg(&pdev->dev, "clock source %p\n", i2c->clk); |
781 | 780 | ||
782 | clk_use(i2c->clk); | 781 | clk_use(i2c->clk); |
783 | clk_enable(i2c->clk); | 782 | clk_enable(i2c->clk); |
@@ -786,7 +785,7 @@ static int s3c24xx_i2c_probe(struct device *dev) | |||
786 | 785 | ||
787 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | 786 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
788 | if (res == NULL) { | 787 | if (res == NULL) { |
789 | dev_err(dev, "cannot find IO resource\n"); | 788 | dev_err(&pdev->dev, "cannot find IO resource\n"); |
790 | ret = -ENOENT; | 789 | ret = -ENOENT; |
791 | goto out; | 790 | goto out; |
792 | } | 791 | } |
@@ -795,7 +794,7 @@ static int s3c24xx_i2c_probe(struct device *dev) | |||
795 | pdev->name); | 794 | pdev->name); |
796 | 795 | ||
797 | if (i2c->ioarea == NULL) { | 796 | if (i2c->ioarea == NULL) { |
798 | dev_err(dev, "cannot request IO\n"); | 797 | dev_err(&pdev->dev, "cannot request IO\n"); |
799 | ret = -ENXIO; | 798 | ret = -ENXIO; |
800 | goto out; | 799 | goto out; |
801 | } | 800 | } |
@@ -803,17 +802,17 @@ static int s3c24xx_i2c_probe(struct device *dev) | |||
803 | i2c->regs = ioremap(res->start, (res->end-res->start)+1); | 802 | i2c->regs = ioremap(res->start, (res->end-res->start)+1); |
804 | 803 | ||
805 | if (i2c->regs == NULL) { | 804 | if (i2c->regs == NULL) { |
806 | dev_err(dev, "cannot map IO\n"); | 805 | dev_err(&pdev->dev, "cannot map IO\n"); |
807 | ret = -ENXIO; | 806 | ret = -ENXIO; |
808 | goto out; | 807 | goto out; |
809 | } | 808 | } |
810 | 809 | ||
811 | dev_dbg(dev, "registers %p (%p, %p)\n", i2c->regs, i2c->ioarea, res); | 810 | dev_dbg(&pdev->dev, "registers %p (%p, %p)\n", i2c->regs, i2c->ioarea, res); |
812 | 811 | ||
813 | /* setup info block for the i2c core */ | 812 | /* setup info block for the i2c core */ |
814 | 813 | ||
815 | i2c->adap.algo_data = i2c; | 814 | i2c->adap.algo_data = i2c; |
816 | i2c->adap.dev.parent = dev; | 815 | i2c->adap.dev.parent = &pdev->dev; |
817 | 816 | ||
818 | /* initialise the i2c controller */ | 817 | /* initialise the i2c controller */ |
819 | 818 | ||
@@ -827,7 +826,7 @@ static int s3c24xx_i2c_probe(struct device *dev) | |||
827 | 826 | ||
828 | res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); | 827 | res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); |
829 | if (res == NULL) { | 828 | if (res == NULL) { |
830 | dev_err(dev, "cannot find IRQ\n"); | 829 | dev_err(&pdev->dev, "cannot find IRQ\n"); |
831 | ret = -ENOENT; | 830 | ret = -ENOENT; |
832 | goto out; | 831 | goto out; |
833 | } | 832 | } |
@@ -836,23 +835,23 @@ static int s3c24xx_i2c_probe(struct device *dev) | |||
836 | pdev->name, i2c); | 835 | pdev->name, i2c); |
837 | 836 | ||
838 | if (ret != 0) { | 837 | if (ret != 0) { |
839 | dev_err(dev, "cannot claim IRQ\n"); | 838 | dev_err(&pdev->dev, "cannot claim IRQ\n"); |
840 | goto out; | 839 | goto out; |
841 | } | 840 | } |
842 | 841 | ||
843 | i2c->irq = res; | 842 | i2c->irq = res; |
844 | 843 | ||
845 | dev_dbg(dev, "irq resource %p (%ld)\n", res, res->start); | 844 | dev_dbg(&pdev->dev, "irq resource %p (%ld)\n", res, res->start); |
846 | 845 | ||
847 | ret = i2c_add_adapter(&i2c->adap); | 846 | ret = i2c_add_adapter(&i2c->adap); |
848 | if (ret < 0) { | 847 | if (ret < 0) { |
849 | dev_err(dev, "failed to add bus to i2c core\n"); | 848 | dev_err(&pdev->dev, "failed to add bus to i2c core\n"); |
850 | goto out; | 849 | goto out; |
851 | } | 850 | } |
852 | 851 | ||
853 | dev_set_drvdata(dev, i2c); | 852 | platform_set_drvdata(pdev, i2c); |
854 | 853 | ||
855 | dev_info(dev, "%s: S3C I2C adapter\n", i2c->adap.dev.bus_id); | 854 | dev_info(&pdev->dev, "%s: S3C I2C adapter\n", i2c->adap.dev.bus_id); |
856 | 855 | ||
857 | out: | 856 | out: |
858 | if (ret < 0) | 857 | if (ret < 0) |
@@ -866,22 +865,22 @@ static int s3c24xx_i2c_probe(struct device *dev) | |||
866 | * called when device is removed from the bus | 865 | * called when device is removed from the bus |
867 | */ | 866 | */ |
868 | 867 | ||
869 | static int s3c24xx_i2c_remove(struct device *dev) | 868 | static int s3c24xx_i2c_remove(struct platform_device *pdev) |
870 | { | 869 | { |
871 | struct s3c24xx_i2c *i2c = dev_get_drvdata(dev); | 870 | struct s3c24xx_i2c *i2c = platform_get_drvdata(pdev); |
872 | 871 | ||
873 | if (i2c != NULL) { | 872 | if (i2c != NULL) { |
874 | s3c24xx_i2c_free(i2c); | 873 | s3c24xx_i2c_free(i2c); |
875 | dev_set_drvdata(dev, NULL); | 874 | platform_set_drvdata(pdev, NULL); |
876 | } | 875 | } |
877 | 876 | ||
878 | return 0; | 877 | return 0; |
879 | } | 878 | } |
880 | 879 | ||
881 | #ifdef CONFIG_PM | 880 | #ifdef CONFIG_PM |
882 | static int s3c24xx_i2c_resume(struct device *dev) | 881 | static int s3c24xx_i2c_resume(struct platform_device *dev) |
883 | { | 882 | { |
884 | struct s3c24xx_i2c *i2c = dev_get_drvdata(dev); | 883 | struct s3c24xx_i2c *i2c = platform_get_drvdata(dev); |
885 | 884 | ||
886 | if (i2c != NULL) | 885 | if (i2c != NULL) |
887 | s3c24xx_i2c_init(i2c); | 886 | s3c24xx_i2c_init(i2c); |
@@ -895,33 +894,35 @@ static int s3c24xx_i2c_resume(struct device *dev) | |||
895 | 894 | ||
896 | /* device driver for platform bus bits */ | 895 | /* device driver for platform bus bits */ |
897 | 896 | ||
898 | static struct device_driver s3c2410_i2c_driver = { | 897 | static struct platform_driver s3c2410_i2c_driver = { |
899 | .owner = THIS_MODULE, | ||
900 | .name = "s3c2410-i2c", | ||
901 | .bus = &platform_bus_type, | ||
902 | .probe = s3c24xx_i2c_probe, | 898 | .probe = s3c24xx_i2c_probe, |
903 | .remove = s3c24xx_i2c_remove, | 899 | .remove = s3c24xx_i2c_remove, |
904 | .resume = s3c24xx_i2c_resume, | 900 | .resume = s3c24xx_i2c_resume, |
901 | .driver = { | ||
902 | .owner = THIS_MODULE, | ||
903 | .name = "s3c2410-i2c", | ||
904 | }, | ||
905 | }; | 905 | }; |
906 | 906 | ||
907 | static struct device_driver s3c2440_i2c_driver = { | 907 | static struct platform_driver s3c2440_i2c_driver = { |
908 | .owner = THIS_MODULE, | ||
909 | .name = "s3c2440-i2c", | ||
910 | .bus = &platform_bus_type, | ||
911 | .probe = s3c24xx_i2c_probe, | 908 | .probe = s3c24xx_i2c_probe, |
912 | .remove = s3c24xx_i2c_remove, | 909 | .remove = s3c24xx_i2c_remove, |
913 | .resume = s3c24xx_i2c_resume, | 910 | .resume = s3c24xx_i2c_resume, |
911 | .driver = { | ||
912 | .owner = THIS_MODULE, | ||
913 | .name = "s3c2440-i2c", | ||
914 | }, | ||
914 | }; | 915 | }; |
915 | 916 | ||
916 | static int __init i2c_adap_s3c_init(void) | 917 | static int __init i2c_adap_s3c_init(void) |
917 | { | 918 | { |
918 | int ret; | 919 | int ret; |
919 | 920 | ||
920 | ret = driver_register(&s3c2410_i2c_driver); | 921 | ret = platform_driver_register(&s3c2410_i2c_driver); |
921 | if (ret == 0) { | 922 | if (ret == 0) { |
922 | ret = driver_register(&s3c2440_i2c_driver); | 923 | ret = platform_driver_register(&s3c2440_i2c_driver); |
923 | if (ret) | 924 | if (ret) |
924 | driver_unregister(&s3c2410_i2c_driver); | 925 | platform_driver_unregister(&s3c2410_i2c_driver); |
925 | } | 926 | } |
926 | 927 | ||
927 | return ret; | 928 | return ret; |
@@ -929,8 +930,8 @@ static int __init i2c_adap_s3c_init(void) | |||
929 | 930 | ||
930 | static void __exit i2c_adap_s3c_exit(void) | 931 | static void __exit i2c_adap_s3c_exit(void) |
931 | { | 932 | { |
932 | driver_unregister(&s3c2410_i2c_driver); | 933 | platform_driver_unregister(&s3c2410_i2c_driver); |
933 | driver_unregister(&s3c2440_i2c_driver); | 934 | platform_driver_unregister(&s3c2440_i2c_driver); |
934 | } | 935 | } |
935 | 936 | ||
936 | module_init(i2c_adap_s3c_init); | 937 | module_init(i2c_adap_s3c_init); |