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path: root/drivers/video/gbefb.c
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Diffstat (limited to 'drivers/video/gbefb.c')
-rw-r--r--drivers/video/gbefb.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/video/gbefb.c b/drivers/video/gbefb.c
index d3c1922..316bfe9 100644
--- a/drivers/video/gbefb.c
+++ b/drivers/video/gbefb.c
@@ -11,7 +11,7 @@
#include <linux/config.h>
#include <linux/delay.h>
-#include <linux/device.h>
+#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/errno.h>
#include <linux/fb.h>
@@ -1126,7 +1126,7 @@ static int __init gbefb_probe(struct device *dev)
gbefb_setup(options);
#endif
- if (!request_mem_region(GBE_BASE, sizeof(struct sgi_gbe), "GBE")) {
+ if (!request_region(GBE_BASE, sizeof(struct sgi_gbe), "GBE")) {
printk(KERN_ERR "gbefb: couldn't reserve mmio region\n");
ret = -EBUSY;
goto out_release_framebuffer;
@@ -1152,12 +1152,24 @@ static int __init gbefb_probe(struct device *dev)
if (gbe_mem_phys) {
/* memory was allocated at boot time */
gbe_mem = ioremap_nocache(gbe_mem_phys, gbe_mem_size);
+ if (!gbe_mem) {
+ printk(KERN_ERR "gbefb: couldn't map framebuffer\n");
+ ret = -ENOMEM;
+ goto out_tiles_free;
+ }
+
gbe_dma_addr = 0;
} else {
/* try to allocate memory with the classical allocator
* this has high chance to fail on low memory machines */
gbe_mem = dma_alloc_coherent(NULL, gbe_mem_size, &gbe_dma_addr,
GFP_KERNEL);
+ if (!gbe_mem) {
+ printk(KERN_ERR "gbefb: couldn't allocate framebuffer memory\n");
+ ret = -ENOMEM;
+ goto out_tiles_free;
+ }
+
gbe_mem_phys = (unsigned long) gbe_dma_addr;
}
@@ -1165,12 +1177,6 @@ static int __init gbefb_probe(struct device *dev)
mtrr_add(gbe_mem_phys, gbe_mem_size, MTRR_TYPE_WRCOMB, 1);
#endif
- if (!gbe_mem) {
- printk(KERN_ERR "gbefb: couldn't map framebuffer\n");
- ret = -ENXIO;
- goto out_tiles_free;
- }
-
/* map framebuffer memory into tiles table */
for (i = 0; i < (gbe_mem_size >> TILE_SHIFT); i++)
gbe_tiles.cpu[i] = (gbe_mem_phys >> TILE_SHIFT) + i;
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