Commit 782385ae authored by Eric Miao's avatar Eric Miao

[ARM] pxa: fix overlay being un-necessarily initialized on pxa25x

pxa25x doesn't support overlay in its LCD controller, this patch adds
pxafb_overlay_supported() functions to check the initialization is
necessary.
Signed-off-by: default avatarEric Miao <eric.miao@marvell.com>
parent c68ffdda
...@@ -883,10 +883,21 @@ static void __devinit init_pxafb_overlay(struct pxafb_info *fbi, ...@@ -883,10 +883,21 @@ static void __devinit init_pxafb_overlay(struct pxafb_info *fbi,
init_completion(&ofb->branch_done); init_completion(&ofb->branch_done);
} }
static inline int pxafb_overlay_supported(void)
{
if (cpu_is_pxa27x() || cpu_is_pxa3xx())
return 1;
return 0;
}
static int __devinit pxafb_overlay_init(struct pxafb_info *fbi) static int __devinit pxafb_overlay_init(struct pxafb_info *fbi)
{ {
int i, ret; int i, ret;
if (!pxafb_overlay_supported())
return 0;
for (i = 0; i < 2; i++) { for (i = 0; i < 2; i++) {
init_pxafb_overlay(fbi, &fbi->overlay[i], i); init_pxafb_overlay(fbi, &fbi->overlay[i], i);
ret = register_framebuffer(&fbi->overlay[i].fb); ret = register_framebuffer(&fbi->overlay[i].fb);
...@@ -909,6 +920,9 @@ static void __devexit pxafb_overlay_exit(struct pxafb_info *fbi) ...@@ -909,6 +920,9 @@ static void __devexit pxafb_overlay_exit(struct pxafb_info *fbi)
{ {
int i; int i;
if (!pxafb_overlay_supported())
return;
for (i = 0; i < 2; i++) for (i = 0; i < 2; i++)
unregister_framebuffer(&fbi->overlay[i].fb); unregister_framebuffer(&fbi->overlay[i].fb);
} }
......
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