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authorLinus Torvalds <torvalds@linux-foundation.org>2008-03-24 13:09:34 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-03-24 13:09:34 -0700
commitcc7feea39bed2951cc29af3ad642f39a99dfe8d3 (patch)
treed11b9f40044951128c9151b0fd88c13066dfec31 /arch
parent6f58d79598c184dc4f18ceddfaa5fa7483bce0a5 (diff)
parent7ea6fd7e2df041297298b5feb5b7b78a2b1a5310 (diff)
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Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* '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
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/mm/hash_utils_64.c11
-rw-r--r--arch/powerpc/sysdev/bestcomm/bestcomm.c8
-rw-r--r--arch/powerpc/sysdev/ipic.c2
3 files changed, 15 insertions, 6 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 590f1f6..a83dfa3 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -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 */
diff --git a/arch/powerpc/sysdev/bestcomm/bestcomm.c b/arch/powerpc/sysdev/bestcomm/bestcomm.c
index f589999..64ec7d6 100644
--- a/arch/powerpc/sysdev/bestcomm/bestcomm.c
+++ b/arch/powerpc/sysdev/bestcomm/bestcomm.c
@@ -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", },
{},
};
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index ae0dbf4..0f2dfb0 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -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");