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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-03 18:51:35 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-03 18:51:35 +0200 |
commit | bad6a5c08c119572c888d5df2bd7691a4da6b9e8 (patch) | |
tree | 7070d6c17659332caad8f3d8f38b51855b3f05c4 /arch | |
parent | Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jac... (diff) | |
parent | powerpc/ps3: Add rtc-ps3 (diff) | |
download | linux-bad6a5c08c119572c888d5df2bd7691a4da6b9e8.tar.xz linux-bad6a5c08c119572c888d5df2bd7691a4da6b9e8.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/kyle/rtc-parisc
* git://git.kernel.org/pub/scm/linux/kernel/git/kyle/rtc-parisc:
powerpc/ps3: Add rtc-ps3
powerpc: Hook up rtc-generic, and kill rtc-ppc
m68k: Hook up rtc-generic
parisc: rtc: Rename rtc-parisc to rtc-generic
parisc: rtc: Add missing module alias
parisc: rtc: platform_driver_probe() fixups
parisc: rtc: get_rtc_time() returns unsigned int
Diffstat (limited to 'arch')
-rw-r--r-- | arch/m68k/include/asm/rtc.h | 7 | ||||
-rw-r--r-- | arch/m68k/kernel/time.c | 18 | ||||
-rw-r--r-- | arch/parisc/Kconfig | 2 | ||||
-rw-r--r-- | arch/parisc/kernel/time.c | 6 | ||||
-rw-r--r-- | arch/powerpc/include/asm/ps3.h | 3 | ||||
-rw-r--r-- | arch/powerpc/kernel/time.c | 16 | ||||
-rw-r--r-- | arch/powerpc/platforms/ps3/os-area.c | 2 | ||||
-rw-r--r-- | arch/powerpc/platforms/ps3/platform.h | 2 | ||||
-rw-r--r-- | arch/powerpc/platforms/ps3/setup.c | 2 | ||||
-rw-r--r-- | arch/powerpc/platforms/ps3/time.c | 26 |
10 files changed, 60 insertions, 24 deletions
diff --git a/arch/m68k/include/asm/rtc.h b/arch/m68k/include/asm/rtc.h index 5d3e03859844..a4d08ea122ee 100644 --- a/arch/m68k/include/asm/rtc.h +++ b/arch/m68k/include/asm/rtc.h @@ -36,13 +36,16 @@ static inline unsigned int get_rtc_time(struct rtc_time *time) * RTC has RTC_DAY_OF_WEEK, we ignore it, as it is only updated * by the RTC when initially set to a non-zero value. */ - mach_hwclk(0, time); + if (mach_hwclk) + mach_hwclk(0, time); return RTC_24H; } static inline int set_rtc_time(struct rtc_time *time) { - return mach_hwclk(1, time); + if (mach_hwclk) + return mach_hwclk(1, time); + return -EINVAL; } static inline unsigned int get_rtc_ss(void) diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c index 7db41594d7b6..54d980795fc4 100644 --- a/arch/m68k/kernel/time.c +++ b/arch/m68k/kernel/time.c @@ -18,6 +18,7 @@ #include <linux/string.h> #include <linux/mm.h> #include <linux/rtc.h> +#include <linux/platform_device.h> #include <asm/machdep.h> #include <asm/io.h> @@ -159,3 +160,20 @@ int do_settimeofday(struct timespec *tv) } EXPORT_SYMBOL(do_settimeofday); + + +static int __init rtc_init(void) +{ + struct platform_device *pdev; + + if (!mach_hwclk) + return -ENODEV; + + pdev = platform_device_register_simple("rtc-generic", -1, NULL, 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + return 0; +} + +module_init(rtc_init); diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index aacf11d33723..378b64944dc0 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -10,7 +10,7 @@ config PARISC select HAVE_IDE select HAVE_OPROFILE select RTC_CLASS - select RTC_DRV_PARISC + select RTC_DRV_GENERIC select INIT_ALL_POSSIBLE help The PA-RISC microprocessor is designed by Hewlett-Packard and used diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c index e75cae6072c5..86a99d02234f 100644 --- a/arch/parisc/kernel/time.c +++ b/arch/parisc/kernel/time.c @@ -216,14 +216,14 @@ void __init start_cpu_itimer(void) per_cpu(cpu_data, cpu).it_value = next_tick; } -static struct platform_device rtc_parisc_dev = { - .name = "rtc-parisc", +static struct platform_device rtc_generic_dev = { + .name = "rtc-generic", .id = -1, }; static int __init rtc_init(void) { - if (platform_device_register(&rtc_parisc_dev) < 0) + if (platform_device_register(&rtc_generic_dev) < 0) printk(KERN_ERR "unable to register rtc device...\n"); /* not necessarily an error */ diff --git a/arch/powerpc/include/asm/ps3.h b/arch/powerpc/include/asm/ps3.h index 67f1812698d2..cdb6fd814de8 100644 --- a/arch/powerpc/include/asm/ps3.h +++ b/arch/powerpc/include/asm/ps3.h @@ -50,6 +50,9 @@ enum ps3_param_av_multi_out { enum ps3_param_av_multi_out ps3_os_area_get_av_multi_out(void); +extern u64 ps3_os_area_get_rtc_diff(void); +extern void ps3_os_area_set_rtc_diff(u64 rtc_diff); + /* dma routines */ enum ps3_dma_page_size { diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index c9564031a2a9..926ea864e34f 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -1127,3 +1127,19 @@ void div128_by_32(u64 dividend_high, u64 dividend_low, dr->result_low = ((u64)y << 32) + z; } + +static int __init rtc_init(void) +{ + struct platform_device *pdev; + + if (!ppc_md.get_rtc_time) + return -ENODEV; + + pdev = platform_device_register_simple("rtc-generic", -1, NULL, 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + return 0; +} + +module_init(rtc_init); diff --git a/arch/powerpc/platforms/ps3/os-area.c b/arch/powerpc/platforms/ps3/os-area.c index e1c83c23b435..86e392b1b049 100644 --- a/arch/powerpc/platforms/ps3/os-area.c +++ b/arch/powerpc/platforms/ps3/os-area.c @@ -808,6 +808,7 @@ u64 ps3_os_area_get_rtc_diff(void) { return saved_params.rtc_diff; } +EXPORT_SYMBOL(ps3_os_area_get_rtc_diff); /** * ps3_os_area_set_rtc_diff - Set the rtc diff value. @@ -823,6 +824,7 @@ void ps3_os_area_set_rtc_diff(u64 rtc_diff) os_area_queue_work(); } } +EXPORT_SYMBOL(ps3_os_area_set_rtc_diff); /** * ps3_os_area_get_av_multi_out - Returns the default video mode. diff --git a/arch/powerpc/platforms/ps3/platform.h b/arch/powerpc/platforms/ps3/platform.h index 235c13ebacd9..136aa0637d9c 100644 --- a/arch/powerpc/platforms/ps3/platform.h +++ b/arch/powerpc/platforms/ps3/platform.h @@ -64,8 +64,6 @@ int ps3_set_rtc_time(struct rtc_time *time); void __init ps3_os_area_save_params(void); void __init ps3_os_area_init(void); -u64 ps3_os_area_get_rtc_diff(void); -void ps3_os_area_set_rtc_diff(u64 rtc_diff); /* spu */ diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c index 3331ccbb8d38..66181821322a 100644 --- a/arch/powerpc/platforms/ps3/setup.c +++ b/arch/powerpc/platforms/ps3/setup.c @@ -270,8 +270,6 @@ define_machine(ps3) { .init_IRQ = ps3_init_IRQ, .panic = ps3_panic, .get_boot_time = ps3_get_boot_time, - .set_rtc_time = ps3_set_rtc_time, - .get_rtc_time = ps3_get_rtc_time, .set_dabr = ps3_set_dabr, .calibrate_decr = ps3_calibrate_decr, .progress = ps3_progress, diff --git a/arch/powerpc/platforms/ps3/time.c b/arch/powerpc/platforms/ps3/time.c index d0daf7d6d3b2..b178a1e66c91 100644 --- a/arch/powerpc/platforms/ps3/time.c +++ b/arch/powerpc/platforms/ps3/time.c @@ -19,6 +19,7 @@ */ #include <linux/kernel.h> +#include <linux/platform_device.h> #include <asm/rtc.h> #include <asm/lv1call.h> @@ -74,23 +75,20 @@ static u64 read_rtc(void) return rtc_val; } -int ps3_set_rtc_time(struct rtc_time *tm) +unsigned long __init ps3_get_boot_time(void) { - u64 now = mktime(tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, - tm->tm_hour, tm->tm_min, tm->tm_sec); - - ps3_os_area_set_rtc_diff(now - read_rtc()); - return 0; + return read_rtc() + ps3_os_area_get_rtc_diff(); } -void ps3_get_rtc_time(struct rtc_time *tm) +static int __init ps3_rtc_init(void) { - to_tm(read_rtc() + ps3_os_area_get_rtc_diff(), tm); - tm->tm_year -= 1900; - tm->tm_mon -= 1; -} + struct platform_device *pdev; -unsigned long __init ps3_get_boot_time(void) -{ - return read_rtc() + ps3_os_area_get_rtc_diff(); + pdev = platform_device_register_simple("rtc-ps3", -1, NULL, 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + return 0; } + +module_init(ps3_rtc_init); |