From 7d9c035150897c2bebedae280505513dbdef2abc Mon Sep 17 00:00:00 2001 From: Stuart Menefy Date: Mon, 24 Aug 2009 17:13:52 +0900 Subject: sh: Read from CCN_PVR instead of ROM for delay. Reading from the ROM is not a good idea as it could disturb some flash operation that it is in progress. Signed-off-by: Stuart Menefy Signed-off-by: Paul Mundt --- arch/sh/include/asm/io.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'arch/sh') diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h index aeecf432d48..5be45ea4dfe 100644 --- a/arch/sh/include/asm/io.h +++ b/arch/sh/include/asm/io.h @@ -92,8 +92,12 @@ static inline void ctrl_delay(void) { -#ifdef P2SEG +#ifdef CONFIG_CPU_SH4 + __raw_readw(CCN_PVR); +#elif defined(P2SEG) __raw_readw(P2SEG); +#else +#error "Need a dummy address for delay" #endif } -- cgit v1.2.3-70-g09d2