Messages in this thread | | | Date | Tue, 22 Aug 2006 17:55:36 +0100 | From | Russell King <> | Subject | Re: [PATCH 3/3] add generic udelay(), mdelay() and ssleep() |
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On Tue, Aug 22, 2006 at 04:22:43PM +0200, Denis Vlasenko wrote: > On Tuesday 22 August 2006 15:51, Denis Vlasenko wrote: > > > A few arch files won't see the definition of udelay() > > > in asm/delay.h anymore. Prevent that from biting us later. > > > > We are going to kill MAX_UDELAY_MS, so replace it > > in common code with 1. Also fix a buglet on the way: > > mpc83xx_spi->nsecs > MAX_UDELAY_MS * 1000 > > was comparing nanoseconds to microseconds. > > This patch does the following: > * make it so than asm/delay.h does not define udelay(), > only __udelay(), to be used in generic udelay() > * add generic udelay() which calls __udelay() repeatedly, > as needed. Protect against overflow in udelay() argument. > * similarly for mdelay() and ssleep() > * __const_udelay for all arches is removed or renamed to > __const_delay (it did not do microsecond delays anyway) > if still used by arch ndelay() function/macro > * remove EXPORT_SYMBOL(__udelay). It is not used in modules > anymore > * remove MAX_UDELAY_MS > > We specifically do not touch ndelay() in thess patches. > It is not changed.
Please keep a "const" version in ARM. Thanks.
-- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: 2.6 Serial core - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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