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 <x0095...@ti.com>
---
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
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