diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-08-05 22:10:52 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-08-05 22:10:52 +0100 |
| commit | 13efdbecc65ef6ec4028551fb223dea5c5e3143c (patch) | |
| tree | 634a2ce082abe3eb2a5defe0f1ddc2f3eb10f085 /drivers/rtc | |
| parent | 61f4a10cb4e9447a85245c63b3e7f46e09299fed (diff) | |
| parent | 6fd210a9cc398ecbff7bcdbe220651b73b654f56 (diff) | |
Merge branch 'pm-upstream/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into devel-stable
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-cmos.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index 23e10b6263d6..f7a4701bf863 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -1174,23 +1174,34 @@ static struct platform_driver cmos_platform_driver = { } }; +#ifdef CONFIG_PNP +static bool pnp_driver_registered; +#endif +static bool platform_driver_registered; + static int __init cmos_init(void) { int retval = 0; #ifdef CONFIG_PNP - pnp_register_driver(&cmos_pnp_driver); + retval = pnp_register_driver(&cmos_pnp_driver); + if (retval == 0) + pnp_driver_registered = true; #endif - if (!cmos_rtc.dev) + if (!cmos_rtc.dev) { retval = platform_driver_probe(&cmos_platform_driver, cmos_platform_probe); + if (retval == 0) + platform_driver_registered = true; + } if (retval == 0) return 0; #ifdef CONFIG_PNP - pnp_unregister_driver(&cmos_pnp_driver); + if (pnp_driver_registered) + pnp_unregister_driver(&cmos_pnp_driver); #endif return retval; } @@ -1199,9 +1210,11 @@ module_init(cmos_init); static void __exit cmos_exit(void) { #ifdef CONFIG_PNP - pnp_unregister_driver(&cmos_pnp_driver); + if (pnp_driver_registered) + pnp_unregister_driver(&cmos_pnp_driver); #endif - platform_driver_unregister(&cmos_platform_driver); + if (platform_driver_registered) + platform_driver_unregister(&cmos_platform_driver); } module_exit(cmos_exit); |