Now the SHM segments are not in lock tlbs, instead they are in translation tables. So we cannot disable twl in order to get the DSP stack dump. Signed-off-by: Fernando Guzman Lugo <x0095840@xxxxxx> --- drivers/staging/tidspbridge/core/dsp-mmu.c | 8 -------- 1 files changed, 0 insertions(+), 8 deletions(-) diff --git a/drivers/staging/tidspbridge/core/dsp-mmu.c b/drivers/staging/tidspbridge/core/dsp-mmu.c index 157b743..3a00087 100644 --- a/drivers/staging/tidspbridge/core/dsp-mmu.c +++ b/drivers/staging/tidspbridge/core/dsp-mmu.c @@ -43,14 +43,6 @@ static void mmu_fault_print_stack(struct bridge_dev_context *dev_context) if (!dummy_addr) return; - /* - * Before acking the MMU fault, let's make sure MMU can only - * access entry #0. Then add a new entry so that the DSP OS - * can continue in order to dump the stack. - */ - tmp = iommu_read_reg(mmu, MMU_CNTL); - tmp &= ~MMU_CNTL_TWL_EN; - iommu_write_reg(mmu, tmp, MMU_CNTL); fa = iommu_read_reg(mmu, MMU_FAULT_AD); e.da = fa & PAGE_MASK; e.pa = virt_to_phys(dummy_addr); -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
