[PATCH 6/8] staging: tidspbridge - remove disabling twl when printing DSP stack

[Fernando Guzman Lugo]

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

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