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-rw-r--r--arch/arm/mach-pxa/corgi_lcd.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/arm/mach-pxa/corgi_lcd.c b/arch/arm/mach-pxa/corgi_lcd.c
index c02ef7c0f7e..850538fadec 100644
--- a/arch/arm/mach-pxa/corgi_lcd.c
+++ b/arch/arm/mach-pxa/corgi_lcd.c
@@ -467,6 +467,7 @@ void corgi_put_hsync(void)
{
if (get_hsync_time)
symbol_put(w100fb_get_hsynclen);
+ get_hsync_time = NULL;
}
void corgi_wait_hsync(void)
@@ -476,20 +477,37 @@ void corgi_wait_hsync(void)
#endif
#ifdef CONFIG_PXA_SHARP_Cxx00
+static struct device *spitz_pxafb_dev;
+
+static int is_pxafb_device(struct device * dev, void * data)
+{
+ struct platform_device *pdev = container_of(dev, struct platform_device, dev);
+
+ return (strncmp(pdev->name, "pxa2xx-fb", 9) == 0);
+}
+
unsigned long spitz_get_hsync_len(void)
{
+ if (!spitz_pxafb_dev) {
+ spitz_pxafb_dev = bus_find_device(&platform_bus_type, NULL, NULL, is_pxafb_device);
+ if (!spitz_pxafb_dev)
+ return 0;
+ }
if (!get_hsync_time)
get_hsync_time = symbol_get(pxafb_get_hsync_time);
if (!get_hsync_time)
return 0;
- return pxafb_get_hsync_time(&pxafb_device.dev);
+ return pxafb_get_hsync_time(spitz_pxafb_dev);
}
void spitz_put_hsync(void)
{
+ put_device(spitz_pxafb_dev);
if (get_hsync_time)
symbol_put(pxafb_get_hsync_time);
+ spitz_pxafb_dev = NULL;
+ get_hsync_time = NULL;
}
void spitz_wait_hsync(void)