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| author | Shannon Nelson <shannon.nelson@intel.com> | 2007-10-18 03:07:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-18 14:37:32 -0700 |
| commit | 5149fd010f404889b7d8f79159057791fbb817b1 (patch) | |
| tree | 0ec09c009f35d59be64e3b952b6deba39b61f6e1 /drivers/dma/ioat_dca.c | |
| parent | dfe2299e7b35a0adfc87f04d3e725ccc508d7626 (diff) | |
| download | linux-5149fd010f404889b7d8f79159057791fbb817b1.tar.gz | |
I/OAT: clean up error handling and some print messages
Make better use of dev_err(), and catch an error where the transaction creation might fail. Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Cc: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/dma/ioat_dca.c')
| -rw-r--r-- | drivers/dma/ioat_dca.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/dma/ioat_dca.c b/drivers/dma/ioat_dca.c index 2ae04c30edeb..ba985715b803 100644 --- a/drivers/dma/ioat_dca.c +++ b/drivers/dma/ioat_dca.c @@ -65,7 +65,7 @@ static inline u16 dcaid_from_pcidev(struct pci_dev *pci) return (pci->bus->number << 8) | pci->devfn; } -static int dca_enabled_in_bios(void) +static int dca_enabled_in_bios(struct pci_dev *pdev) { /* CPUID level 9 returns DCA configuration */ /* Bit 0 indicates DCA enabled by the BIOS */ @@ -75,17 +75,17 @@ static int dca_enabled_in_bios(void) cpuid_level_9 = cpuid_eax(9); res = test_bit(0, &cpuid_level_9); if (!res) - printk(KERN_ERR "ioat dma: DCA is disabled in BIOS\n"); + dev_err(&pdev->dev, "DCA is disabled in BIOS\n"); return res; } -static int system_has_dca_enabled(void) +static int system_has_dca_enabled(struct pci_dev *pdev) { if (boot_cpu_has(X86_FEATURE_DCA)) - return dca_enabled_in_bios(); + return dca_enabled_in_bios(pdev); - printk(KERN_ERR "ioat dma: boot cpu doesn't have X86_FEATURE_DCA\n"); + dev_err(&pdev->dev, "boot cpu doesn't have X86_FEATURE_DCA\n"); return 0; } @@ -208,7 +208,7 @@ struct dca_provider *ioat_dca_init(struct pci_dev *pdev, void __iomem *iobase) int i; int err; - if (!system_has_dca_enabled()) + if (!system_has_dca_enabled(pdev)) return NULL; /* I/OAT v1 systems must have a known tag_map to support DCA */ |