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| author | Roy Zang <tie-fei.zang@freescale.com> | 2013-03-29 21:06:17 +0800 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2013-04-03 11:24:29 -0500 |
| commit | 2b4a8bd242d2880b232d07105981a8d31e8bc262 (patch) | |
| tree | b4144ba2121441c4791dcaa571cefcfbb84c9ab0 /arch/powerpc/sysdev | |
| parent | 4ba6c1f1259af47c2dba09f78e71b7a1673ad635 (diff) | |
| download | linux-2b4a8bd242d2880b232d07105981a8d31e8bc262.tar.gz linux-2b4a8bd242d2880b232d07105981a8d31e8bc262.tar.bz2 linux-2b4a8bd242d2880b232d07105981a8d31e8bc262.zip | |
powerpc/fsl_pci: fix 64 bit pci size issue
The size might be 64 bit, so use ilog2() instead of __ilog2() or
__ilog2_u64().
ilog2() can select 32bit or 64bit function automatically.
Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/sysdev')
| -rw-r--r-- | arch/powerpc/sysdev/fsl_pci.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index 3271177239b9..e7ec337f03fd 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -128,7 +128,7 @@ static int setup_one_atmu(struct ccsr_pci __iomem *pci, flags |= 0x10000000; /* enable relaxed ordering */ for (i = 0; size > 0; i++) { - unsigned int bits = min(__ilog2(size), + unsigned int bits = min(ilog2(size), __ffs(pci_addr | phys_addr)); if (index + i >= 5) @@ -218,7 +218,7 @@ static void setup_pci_atmu(struct pci_controller *hose, out_be32(&pci->pow[j].powbar, (hose->io_base_phys >> 12)); /* Enable, IO R/W */ out_be32(&pci->pow[j].powar, 0x80088000 - | (__ilog2(hose->io_resource.end + | (ilog2(hose->io_resource.end - hose->io_resource.start + 1) - 1)); } } @@ -283,7 +283,7 @@ static void setup_pci_atmu(struct pci_controller *hose, } sz = min(mem, paddr_lo); - mem_log = __ilog2_u64(sz); + mem_log = ilog2(sz); /* PCIe can overmap inbound & outbound since RX & TX are separated */ if (early_find_capability(hose, 0, 0, PCI_CAP_ID_EXP)) { @@ -312,7 +312,7 @@ static void setup_pci_atmu(struct pci_controller *hose, * SWIOTLB and access the full range of memory */ if (sz != mem) { - mem_log = __ilog2_u64(mem); + mem_log = ilog2(mem); /* Size window up if we dont fit in exact power-of-2 */ if ((1ull << mem_log) != mem) @@ -349,7 +349,7 @@ static void setup_pci_atmu(struct pci_controller *hose, sz -= 1ull << mem_log; if (sz) { - mem_log = __ilog2_u64(sz); + mem_log = ilog2(sz); piwar |= (mem_log - 1); out_be32(&pci->piw[win_idx].pitar, paddr >> 12); |