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>
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;
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;