On Sat, 2003-04-12 at 13:19, Boris Bezlaj wrote:

quoted

In 2.5.67 imsttfb locks the system when it's time to scrool the text.
Patch below fixes that. Otherwise everything seems to work as in 2.4

--- linux/drivers/video/ORIG_imsttfb.c  2003-04-09 15:11:46.000000000 +0200
+++ linux/drivers/video/imsttfb.c       2003-04-11 16:44:07.000000000 +0200

@@ -409,7 +409,7 @@
 static inline u32 read_reg_le32(volatile u32 *base, int regindex)
 {
 #ifdef __powerpc__
-       in_le32((volatile u32 *) (base + regindex));
+       return in_le32((volatile u32 *) (base + regindex));
 #else
        return readl(base + regindex);
 #endif

There is actually no reason not to use readl() on ppc as well

Does readl handle byte swapping on the PPC. The registers expect the data 
feed to them to be little endian. Actually this driver will only work on 
the PPC and ix86 platform. Other big endian platforms are out of luck. 

P.S
   This whole issue really sucks. I really wish there was a clean standard 
api to this. 



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