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Commit 7d9c0351 authored by Stuart Menefy's avatar Stuart Menefy Committed by Paul Mundt
Browse files

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: default avatarStuart Menefy <stuart.menefy@st.com>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent fea966f7

arch/sh/include/asm/io.h

+5 −1
Original line number Original line Diff line number Diff line
@@ -92,8 +92,12 @@ 




static inline void ctrl_delay(void)

static inline void ctrl_delay(void)

{

{

#ifdef P2SEG

#ifdef CONFIG_CPU_SH4

	__raw_readw(CCN_PVR);

#elif defined(P2SEG)

	__raw_readw(P2SEG);

	__raw_readw(P2SEG);

#else

#error "Need a dummy address for delay"

#endif

#endif

}

}