diff options
Diffstat (limited to 'arch/arm/mach-omap2/iommu2.c')
| -rw-r--r-- | arch/arm/mach-omap2/iommu2.c | 33 |
1 files changed, 15 insertions, 18 deletions
diff --git a/arch/arm/mach-omap2/iommu2.c b/arch/arm/mach-omap2/iommu2.c index 14ee686b649..adb083e41ac 100644 --- a/arch/arm/mach-omap2/iommu2.c +++ b/arch/arm/mach-omap2/iommu2.c @@ -145,35 +145,32 @@ static void omap2_iommu_set_twl(struct iommu *obj, bool on) static u32 omap2_iommu_fault_isr(struct iommu *obj, u32 *ra) { - int i; u32 stat, da; - const char *err_msg[] = { - "tlb miss", - "translation fault", - "emulation miss", - "table walk fault", - "multi hit fault", - }; + u32 errs = 0; stat = iommu_read_reg(obj, MMU_IRQSTATUS); stat &= MMU_IRQ_MASK; - if (!stat) + if (!stat) { + *ra = 0; return 0; + } da = iommu_read_reg(obj, MMU_FAULT_AD); *ra = da; - dev_err(obj->dev, "%s:\tda:%08x ", __func__, da); - - for (i = 0; i < ARRAY_SIZE(err_msg); i++) { - if (stat & (1 << i)) - printk("%s ", err_msg[i]); - } - printk("\n"); - + if (stat & MMU_IRQ_TLBMISS) + errs |= OMAP_IOMMU_ERR_TLB_MISS; + if (stat & MMU_IRQ_TRANSLATIONFAULT) + errs |= OMAP_IOMMU_ERR_TRANS_FAULT; + if (stat & MMU_IRQ_EMUMISS) + errs |= OMAP_IOMMU_ERR_EMU_MISS; + if (stat & MMU_IRQ_TABLEWALKFAULT) + errs |= OMAP_IOMMU_ERR_TBLWALK_FAULT; + if (stat & MMU_IRQ_MULTIHITFAULT) + errs |= OMAP_IOMMU_ERR_MULTIHIT_FAULT; iommu_write_reg(obj, stat, MMU_IRQSTATUS); - return stat; + return errs; } static void omap2_tlb_read_cr(struct iommu *obj, struct cr_regs *cr) |