diff options
| author | Ingo Molnar <mingo@elte.hu> | 2010-05-03 09:17:01 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-05-03 09:17:01 +0200 |
| commit | 53ba4f2fa73225113a488584df0d85d3cba52943 (patch) | |
| tree | d85b984d9818abc3ccc0237eb53b710d9e96c39e /arch/mips/pci | |
| parent | bd6d29c25bb1a24a4c160ec5de43e0004e01f72b (diff) | |
| parent | 66f41d4c5c8a5deed66fdcc84509376c9a0bf9d8 (diff) | |
Merge commit 'v2.6.34-rc6' into core/locking
Diffstat (limited to 'arch/mips/pci')
| -rw-r--r-- | arch/mips/pci/ops-loongson2.c | 10 | ||||
| -rw-r--r-- | arch/mips/pci/ops-titan-ht.c | 1 |
2 files changed, 10 insertions, 1 deletions
diff --git a/arch/mips/pci/ops-loongson2.c b/arch/mips/pci/ops-loongson2.c index 2bb4057bf6c..d657ee0bc13 100644 --- a/arch/mips/pci/ops-loongson2.c +++ b/arch/mips/pci/ops-loongson2.c @@ -180,15 +180,21 @@ struct pci_ops loongson_pci_ops = { }; #ifdef CONFIG_CS5536 +DEFINE_RAW_SPINLOCK(msr_lock); + void _rdmsr(u32 msr, u32 *hi, u32 *lo) { struct pci_bus bus = { .number = PCI_BUS_CS5536 }; u32 devfn = PCI_DEVFN(PCI_IDSEL_CS5536, 0); + unsigned long flags; + + raw_spin_lock_irqsave(&msr_lock, flags); loongson_pcibios_write(&bus, devfn, PCI_MSR_ADDR, 4, msr); loongson_pcibios_read(&bus, devfn, PCI_MSR_DATA_LO, 4, lo); loongson_pcibios_read(&bus, devfn, PCI_MSR_DATA_HI, 4, hi); + raw_spin_unlock_irqrestore(&msr_lock, flags); } EXPORT_SYMBOL(_rdmsr); @@ -198,9 +204,13 @@ void _wrmsr(u32 msr, u32 hi, u32 lo) .number = PCI_BUS_CS5536 }; u32 devfn = PCI_DEVFN(PCI_IDSEL_CS5536, 0); + unsigned long flags; + + raw_spin_lock_irqsave(&msr_lock, flags); loongson_pcibios_write(&bus, devfn, PCI_MSR_ADDR, 4, msr); loongson_pcibios_write(&bus, devfn, PCI_MSR_DATA_LO, 4, lo); loongson_pcibios_write(&bus, devfn, PCI_MSR_DATA_HI, 4, hi); + raw_spin_unlock_irqrestore(&msr_lock, flags); } EXPORT_SYMBOL(_wrmsr); #endif diff --git a/arch/mips/pci/ops-titan-ht.c b/arch/mips/pci/ops-titan-ht.c index 46c636c27e0..749c1922d42 100644 --- a/arch/mips/pci/ops-titan-ht.c +++ b/arch/mips/pci/ops-titan-ht.c @@ -26,7 +26,6 @@ #include <linux/types.h> #include <linux/pci.h> #include <linux/kernel.h> -#include <linux/slab.h> #include <linux/delay.h> #include <asm/io.h> |