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| author | Matthew Wilcox | 2008-07-28 19:39:00 +0200 |
|---|---|---|
| committer | Jesse Barnes | 2008-07-28 23:29:04 +0200 |
| commit | cc5499c3a607a392e8a7adb934aaf14b2c6a3519 (patch) | |
| tree | d7ab414b929fed34d9b15bf0c636e9591c4673dd /drivers/pci/probe.c | |
| parent | PCI: rewrite PCI BAR reading code (diff) | |
| download | kernel-qcow2-linux-cc5499c3a607a392e8a7adb934aaf14b2c6a3519.tar.gz kernel-qcow2-linux-cc5499c3a607a392e8a7adb934aaf14b2c6a3519.tar.xz kernel-qcow2-linux-cc5499c3a607a392e8a7adb934aaf14b2c6a3519.zip | |
PCI: handle 64-bit resources better on 32-bit machines
If the kernel is configured to support 64-bit resources on a 32-bit
machine, we can support 64-bit BARs properly. Just change the condition
to check sizeof(resource_size_t) instead of BITS_PER_LONG.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/probe.c')
| -rw-r--r-- | drivers/pci/probe.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 3b690c3512f3..203630065839 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -270,10 +270,10 @@ static int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type, if (!sz64) goto fail; - if ((BITS_PER_LONG < 64) && (sz64 > 0x100000000ULL)) { + if ((sizeof(resource_size_t) < 8) && (sz64 > 0x100000000ULL)) { dev_err(&dev->dev, "can't handle 64-bit BAR\n"); goto fail; - } else if ((BITS_PER_LONG < 64) && l) { + } else if ((sizeof(resource_size_t) < 8) && l) { /* Address above 32-bit boundary; disable the BAR */ pci_write_config_dword(dev, pos, 0); pci_write_config_dword(dev, pos + 4, 0); |