[PATCH 7/11] staging: udlfb: fix big endian rendering error
Bernie Thompson
bernie at plugable.com
Wed Aug 18 20:39:38 UTC 2010
Fix big endian rendering bug (affects PowerPC)
Thanks to Christian Melki at Ericsson for finding and suggesting patch.
Signed-off-by: Bernie Thompson <bernie at plugable.com>
Index: b/drivers/staging/udlfb/udlfb.c
===================================================================
--- a/drivers/staging/udlfb/udlfb.c 2010-08-18 11:17:48.000000000 -0700
+++ b/drivers/staging/udlfb/udlfb.c 2010-08-18 11:17:51.000000000 -0700
@@ -414,15 +414,14 @@ static void dlfb_compress_hline(
uint8_t *cmd_pixels_count_byte = 0;
const uint16_t *raw_pixel_start = 0;
const uint16_t *cmd_pixel_start, *cmd_pixel_end = 0;
- const uint32_t be_dev_addr = cpu_to_be32(dev_addr);
prefetchw((void *) cmd); /* pull in one cache line at least */
*cmd++ = 0xAF;
*cmd++ = 0x6B;
- *cmd++ = (uint8_t) ((be_dev_addr >> 8) & 0xFF);
- *cmd++ = (uint8_t) ((be_dev_addr >> 16) & 0xFF);
- *cmd++ = (uint8_t) ((be_dev_addr >> 24) & 0xFF);
+ *cmd++ = (uint8_t) ((dev_addr >> 16) & 0xFF);
+ *cmd++ = (uint8_t) ((dev_addr >> 8) & 0xFF);
+ *cmd++ = (uint8_t) ((dev_addr) & 0xFF);
cmd_pixels_count_byte = cmd++; /* we'll know this later */
cmd_pixel_start = pixel;
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