The patch titled
powerpc: offb: add support for foreign endianness
has been added to the -mm tree. Its filename is
powerpc-offb-add-support-for-foreign-endianness.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: powerpc: offb: add support for foreign endianness
From: Anton Vorontsov <avorontsov@xxxxxxxxxxxxx>
Signed-off-by: Anton Vorontsov <avorontsov@xxxxxxxxxxxxx>
Cc: "Antonino A. Daplas" <adaplas@xxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/offb.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff -puN drivers/video/offb.c~powerpc-offb-add-support-for-foreign-endianness drivers/video/offb.c
--- a/drivers/video/offb.c~powerpc-offb-add-support-for-foreign-endianness
+++ a/drivers/video/offb.c
@@ -248,7 +248,7 @@ static void __iomem *offb_map_reg(struct
static void __init offb_init_fb(const char *name, const char *full_name,
int width, int height, int depth,
int pitch, unsigned long address,
- struct device_node *dp)
+ int foreign_endian, struct device_node *dp)
{
unsigned long res_size = pitch * height * (depth + 7) / 8;
struct offb_par *par = &default_par;
@@ -397,7 +397,7 @@ static void __init offb_init_fb(const ch
info->screen_base = ioremap(address, fix->smem_len);
info->par = par;
info->pseudo_palette = (void *) (info + 1);
- info->flags = FBINFO_DEFAULT;
+ info->flags = FBINFO_DEFAULT | foreign_endian;
fb_alloc_cmap(&info->cmap, 256, 0);
@@ -424,6 +424,15 @@ static void __init offb_init_nodriver(st
u64 rstart, address = OF_BAD_ADDR;
const u32 *pp, *addrp, *up;
u64 asize;
+ int foreign_endian = 0;
+
+#ifdef __BIG_ENDIAN
+ if (of_get_property(dp, "little-endian", NULL))
+ foreign_endian = FBINFO_FOREIGN_ENDIAN;
+#else
+ if (of_get_property(dp, "big-endian", NULL))
+ foreign_endian = FBINFO_FOREIGN_ENDIAN;
+#endif
pp = of_get_property(dp, "linux,bootx-depth", &len);
if (pp == NULL)
@@ -509,7 +518,7 @@ static void __init offb_init_nodriver(st
offb_init_fb(no_real_node ? "bootx" : dp->name,
no_real_node ? "display" : dp->full_name,
width, height, depth, pitch, address,
- no_real_node ? NULL : dp);
+ foreign_endian, no_real_node ? NULL : dp);
}
}
_
Patches currently in -mm which might be from avorontsov@xxxxxxxxxxxxx are
fb-add-support-for-foreign-endianness.patch
powerpc-offb-add-support-for-foreign-endianness.patch
-
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