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sparc64: Fix build errors with gcc-4.6.0

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Most of the warnings emitted (we fail arch/sparc file
builds with -Werror) were legitimate but harmless, however
one case (n2_pcr_write) was a genuine bug.

Based almost entirely upon a patch by Sam Ravnborg.

Reported-by: Dennis Gilmore <dennis@ausil.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2011-02-26 23:40:02 -08:00
parent 0399bb5b91
commit c6fee0810d
11 changed files with 36 additions and 35 deletions
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3
arch/sparc/kernel/pci_sun4v.c
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@ -580,7 +580,7 @@ static int __devinit pci_sun4v_iommu_init(struct pci_pbm_info *pbm)
{
static const u32 vdma_default[] = { 0x80000000, 0x80000000 };
struct iommu *iommu = pbm->iommu;
unsigned long num_tsb_entries, sz, tsbsize;
unsigned long num_tsb_entries, sz;
u32 dma_mask, dma_offset;
const u32 *vdma;
@ -596,7 +596,6 @@ static int __devinit pci_sun4v_iommu_init(struct pci_pbm_info *pbm)
dma_mask = (roundup_pow_of_two(vdma[1]) - 1UL);
num_tsb_entries = vdma[1] / IO_PAGE_SIZE;
tsbsize = num_tsb_entries * sizeof(iopte_t);
dma_offset = vdma[0];