From: Mike Frysinger Date: Tue, 28 Oct 2008 04:29:26 +0000 (+0800) Subject: Blackfin arch: fix bug - kernel build with write back policy fails to be booted up X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7f6b2e7b1ff70bc60cedc9a00b01c1fad5c21371;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git Blackfin arch: fix bug - kernel build with write back policy fails to be booted up Make sure IFLUSH is not the last instruction in the hardware loop to avoid infinite core stall. The dcache/icache function that only gets used in writeback mode was putting IFLUSH as the last instruction in the hardware loop ... we know from design that this may often lead to inifite core stalling, so switch the FLUSH/IFLUSH order. Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- diff --git a/arch/blackfin/mach-common/cache.S b/arch/blackfin/mach-common/cache.S index d6780b495241..a028e9450419 100644 --- a/arch/blackfin/mach-common/cache.S +++ b/arch/blackfin/mach-common/cache.S @@ -67,7 +67,7 @@ ENDPROC(_blackfin_icache_flush_range) /* Flush all cache lines assocoiated with this area of memory. */ ENTRY(_blackfin_icache_dcache_flush_range) - do_flush IFLUSH, FLUSH + do_flush FLUSH, IFLUSH ENDPROC(_blackfin_icache_dcache_flush_range) /* Throw away all D-cached data in specified region without any obligation to