[PATCH v3 1/2] OMAP2+: IOMMU: don't print fault warning on specific layer
From: David Cohen <hidden>
Date: 2011-02-16 19:35:50
Also in:
linux-omap
Subsystem:
arm port, omap2+ support, the rest · Maintainers:
Russell King, Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds
IOMMU upper layer and user are responsible to handle a fault and to define whether it will end up as an error or not. OMAP2+ specific layer should not print anything in such case. Signed-off-by: David Cohen <redacted> --- arch/arm/mach-omap2/iommu2.c | 16 ---------------- 1 files changed, 0 insertions(+), 16 deletions(-)
diff --git a/arch/arm/mach-omap2/iommu2.c b/arch/arm/mach-omap2/iommu2.c
index 14ee686..49a1e5e 100644
--- a/arch/arm/mach-omap2/iommu2.c
+++ b/arch/arm/mach-omap2/iommu2.c@@ -145,15 +145,7 @@ 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", - }; stat = iommu_read_reg(obj, MMU_IRQSTATUS); stat &= MMU_IRQ_MASK;
@@ -163,14 +155,6 @@ static u32 omap2_iommu_fault_isr(struct iommu *obj, u32 *ra) 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"); - iommu_write_reg(obj, stat, MMU_IRQSTATUS); return stat;
--
1.7.2.3