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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>
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commit
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1 changed files with 4 additions and 17 deletions
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@ -92,18 +92,6 @@
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#define rtc_write(val, addr) omap_writeb(val, OMAP_RTC_BASE + (addr))
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#define rtc_write(val, addr) omap_writeb(val, OMAP_RTC_BASE + (addr))
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/* platform_bus isn't hotpluggable, so for static linkage it'd be safe
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* to get rid of probe() and remove() code ... too bad the driver struct
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* remembers probe(), that's about 25% of the runtime footprint!!
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*/
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#ifndef MODULE
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#undef __devexit
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#undef __devexit_p
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#define __devexit __exit
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#define __devexit_p __exit_p
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#endif
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/* we rely on the rtc framework to handle locking (rtc->ops_lock),
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/* we rely on the rtc framework to handle locking (rtc->ops_lock),
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* so the only other requirement is that register accesses which
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* so the only other requirement is that register accesses which
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* require BUSY to be clear are made with IRQs locally disabled
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* require BUSY to be clear are made with IRQs locally disabled
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@ -324,7 +312,7 @@ static struct rtc_class_ops omap_rtc_ops = {
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static int omap_rtc_alarm;
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static int omap_rtc_alarm;
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static int omap_rtc_timer;
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static int omap_rtc_timer;
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static int __devinit omap_rtc_probe(struct platform_device *pdev)
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static int __init omap_rtc_probe(struct platform_device *pdev)
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{
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{
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struct resource *res, *mem;
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struct resource *res, *mem;
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struct rtc_device *rtc;
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struct rtc_device *rtc;
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@ -440,7 +428,7 @@ static int __devinit omap_rtc_probe(struct platform_device *pdev)
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return -EIO;
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return -EIO;
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}
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}
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static int __devexit omap_rtc_remove(struct platform_device *pdev)
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static int __exit omap_rtc_remove(struct platform_device *pdev)
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{
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{
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struct rtc_device *rtc = platform_get_drvdata(pdev);;
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struct rtc_device *rtc = platform_get_drvdata(pdev);;
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@ -498,8 +486,7 @@ static void omap_rtc_shutdown(struct platform_device *pdev)
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MODULE_ALIAS("platform:omap_rtc");
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MODULE_ALIAS("platform:omap_rtc");
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static struct platform_driver omap_rtc_driver = {
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static struct platform_driver omap_rtc_driver = {
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.probe = omap_rtc_probe,
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.remove = __exit_p(omap_rtc_remove),
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.remove = __devexit_p(omap_rtc_remove),
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.suspend = omap_rtc_suspend,
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.suspend = omap_rtc_suspend,
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.resume = omap_rtc_resume,
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.resume = omap_rtc_resume,
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.shutdown = omap_rtc_shutdown,
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.shutdown = omap_rtc_shutdown,
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@ -511,7 +498,7 @@ static struct platform_driver omap_rtc_driver = {
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static int __init rtc_init(void)
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static int __init rtc_init(void)
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{
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{
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return platform_driver_register(&omap_rtc_driver);
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return platform_driver_probe(&omap_rtc_driver, omap_rtc_probe);
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}
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}
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module_init(rtc_init);
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module_init(rtc_init);
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