AuxXxilium/linux_dsm_epyc7002
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It helps to not use a _mem_ function for requesting I/O space.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Thiemo Seufer 2005-03-04 19:40:45 +00:00 committed by Ralf Baechle
parent 77c728c224
commit 6d7bf017e8
1 changed files with 13 additions and 7 deletions
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20
drivers/video/gbefb.c
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@ -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;