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SubjectRe: 2.6.17-rc5-mm2 link issues on s390
Heiko Carstens wrote:

> Please use an unsigned long long cast and get rid of the ifdefs...

How's that ? Again on rc6-mm1.

thanks !

From: Cedric Le Goater <>
Replace-Subject: s390 adds __raw_writeq required by __iowrite64_copy.

It also adds all the related quad routines.

Signed-off-by: Cedric Le Goater <>

include/asm-s390/io.h | 5 +++++
1 file changed, 5 insertions(+)

Index: 2.6.17-rc6-mm1/include/asm-s390/io.h
--- 2.6.17-rc6-mm1.orig/include/asm-s390/io.h
+++ 2.6.17-rc6-mm1/include/asm-s390/io.h
@@ -86,20 +86,25 @@ extern void iounmap(void *addr);
#define readb(addr) (*(volatile unsigned char *) __io_virt(addr))
#define readw(addr) (*(volatile unsigned short *) __io_virt(addr))
#define readl(addr) (*(volatile unsigned int *) __io_virt(addr))
+#define readq(addr) (*(volatile unsigned long long *) __io_virt(addr))

#define readb_relaxed(addr) readb(addr)
#define readw_relaxed(addr) readw(addr)
#define readl_relaxed(addr) readl(addr)
+#define readq_relaxed(addr) readq(addr)
#define __raw_readb readb
#define __raw_readw readw
#define __raw_readl readl
+#define __raw_readq readq

#define writeb(b,addr) (*(volatile unsigned char *) __io_virt(addr) = (b))
#define writew(b,addr) (*(volatile unsigned short *) __io_virt(addr) = (b))
#define writel(b,addr) (*(volatile unsigned int *) __io_virt(addr) = (b))
+#define writeq(b,addr) (*(volatile unsigned long long *) __io_virt(addr) = (b))
#define __raw_writeb writeb
#define __raw_writew writew
#define __raw_writel writel
+#define __raw_writeq writeq

#define memset_io(a,b,c) memset(__io_virt(a),(b),(c))
#define memcpy_fromio(a,b,c) memcpy((a),__io_virt(b),(c))
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