OMAP2+: IOMMU: don't print fault warning on specific layer

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 <dacohen@gmail.com>
Acked-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/mach-omap2/iommu2.c b/arch/arm/mach-omap2/iommu2.c
index 14ee686..49a1e5e 100644 (file)
--- 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;