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Code Issues Releases Wiki Activity

rtc: rtc-omap footprint shrinkage 

Shrink the runtime footprint of the OMAP1 RTC driver a bunch by removing
some old hacks and switching to platform_driver_probe().

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Brownell 2008-07-23 21:30:38 -07:00 committed by Linus Torvalds
parent d3de851a44
commit 71fc822455
1 changed files with 4 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/rtc/rtc-omap.c
View File

@ -92,18 +92,6 @@
#define rtc_write(val, addr) omap_writeb(val, OMAP_RTC_BASE + (addr))
/* platform_bus isn't hotpluggable, so for static linkage it'd be safe
* to get rid of probe() and remove() code ... too bad the driver struct
* remembers probe(), that's about 25% of the runtime footprint!!
*/
#ifndef MODULE
#undef __devexit
#undef __devexit_p
#define __devexit __exit
#define __devexit_p __exit_p
#endif
/* we rely on the rtc framework to handle locking (rtc->ops_lock),
* so the only other requirement is that register accesses which
* require BUSY to be clear are made with IRQs locally disabled
@ -324,7 +312,7 @@ static struct rtc_class_ops omap_rtc_ops = {
static int omap_rtc_alarm;
static int omap_rtc_timer;
static int __devinit omap_rtc_probe(struct platform_device *pdev)
static int __init omap_rtc_probe(struct platform_device *pdev)
{
struct resource *res, *mem;
struct rtc_device *rtc;
@ -440,7 +428,7 @@ fail:
return -EIO;
}
static int __devexit omap_rtc_remove(struct platform_device *pdev)
static int __exit omap_rtc_remove(struct platform_device *pdev)
{
struct rtc_device *rtc = platform_get_drvdata(pdev);;
@ -498,8 +486,7 @@ static void omap_rtc_shutdown(struct platform_device *pdev)
MODULE_ALIAS("platform:omap_rtc");
static struct platform_driver omap_rtc_driver = {
.probe = omap_rtc_probe,
.remove = __devexit_p(omap_rtc_remove),
.remove = __exit_p(omap_rtc_remove),
.suspend = omap_rtc_suspend,
.resume = omap_rtc_resume,
.shutdown = omap_rtc_shutdown,
@ -511,7 +498,7 @@ static struct platform_driver omap_rtc_driver = {
static int __init rtc_init(void)
{
return platform_driver_register(&omap_rtc_driver);
return platform_driver_probe(&omap_rtc_driver, omap_rtc_probe);
}
module_init(rtc_init);