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Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

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* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
  [POWERPC] Fix Oops with TQM5200 on TQM5200
  [POWERPC] mpc5200: Fix null dereference if bestcomm fails to initialize
  [POWERPC] mpc5200-fec: Fix possible NULL dereference in mdio driver
  [POWERPC] Fix crash in init_ipic_sysfs on efika
  [POWERPC] Don't use 64k pages for ioremap on pSeries
This commit is contained in:
Linus Torvalds 2008-03-24 13:09:34 -07:00
commit cc7feea39b
4 changed files with 17 additions and 7 deletions
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11
arch/powerpc/mm/hash_utils_64.c
View file

@ -351,9 +351,14 @@ static void __init htab_init_page_sizes(void)
mmu_vmalloc_psize = MMU_PAGE_64K;
if (mmu_linear_psize == MMU_PAGE_4K)
mmu_linear_psize = MMU_PAGE_64K;
if (cpu_has_feature(CPU_FTR_CI_LARGE_PAGE))
mmu_io_psize = MMU_PAGE_64K;
else
if (cpu_has_feature(CPU_FTR_CI_LARGE_PAGE)) {
/*
* Don't use 64k pages for ioremap on pSeries, since
* that would stop us accessing the HEA ethernet.
*/
if (!machine_is(pseries))
mmu_io_psize = MMU_PAGE_64K;
} else
mmu_ci_restrictions = 1;
}
#endif /* CONFIG_PPC_64K_PAGES */

8
arch/powerpc/sysdev/bestcomm/bestcomm.c
View file

@ -52,6 +52,10 @@ bcom_task_alloc(int bd_count, int bd_size, int priv_size)
int i, tasknum = -1;
struct bcom_task *tsk;
/* Don't try to do anything if bestcomm init failed */
if (!bcom_eng)
return NULL;
/* Get and reserve a task num */
spin_lock(&bcom_eng->lock);
@ -484,8 +488,8 @@ mpc52xx_bcom_remove(struct of_device *op)
}
static struct of_device_id mpc52xx_bcom_of_match[] = {
{ .type = "dma-controller", .compatible = "fsl,mpc5200-bestcomm", },
{ .type = "dma-controller", .compatible = "mpc5200-bestcomm", },
{ .compatible = "fsl,mpc5200-bestcomm", },
{ .compatible = "mpc5200-bestcomm", },
{},
};

2
arch/powerpc/sysdev/ipic.c
View file

@ -906,7 +906,7 @@ static int __init init_ipic_sysfs(void)
{
int rc;
if (!primary_ipic->regs)
if (!primary_ipic || !primary_ipic->regs)
return -ENODEV;
printk(KERN_DEBUG "Registering ipic with sysfs...\n");

3
drivers/net/fec_mpc52xx_phy.c
View file

@ -109,7 +109,8 @@ static int mpc52xx_fec_mdio_probe(struct of_device *of, const struct of_device_i
int irq = irq_of_parse_and_map(child, 0);
if (irq != NO_IRQ) {
const u32 *id = of_get_property(child, "reg", NULL);
bus->irq[*id] = irq;
if (id)
bus->irq[*id] = irq;
}
}