[PATCH v1 1/2] ARM: tegra: Fix FLOW_CTLR_HALT register clobbering by tegra_resume()
From: Dmitry Osipenko
Date: Sun Jul 07 2019 - 19:04:41 EST
There is an unfortunate typo in the code that results in writing to
FLOW_CTLR_HALT instead of FLOW_CTLR_CSR.
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
---
arch/arm/mach-tegra/reset-handler.S | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-tegra/reset-handler.S b/arch/arm/mach-tegra/reset-handler.S
index df44828a34d3..53123ae4ac3b 100644
--- a/arch/arm/mach-tegra/reset-handler.S
+++ b/arch/arm/mach-tegra/reset-handler.S
@@ -44,16 +44,16 @@ ENTRY(tegra_resume)
cmp r6, #TEGRA20
beq 1f @ Yes
/* Clear the flow controller flags for this CPU. */
- cpu_to_csr_reg r1, r0
+ cpu_to_csr_reg r3, r0
mov32 r2, TEGRA_FLOW_CTRL_BASE
- ldr r1, [r2, r1]
+ ldr r1, [r2, r3]
/* Clear event & intr flag */
orr r1, r1, \
#FLOW_CTRL_CSR_INTR_FLAG | FLOW_CTRL_CSR_EVENT_FLAG
movw r0, #0x3FFD @ enable, cluster_switch, immed, bitmaps
@ & ext flags for CPU power mgnt
bic r1, r1, r0
- str r1, [r2]
+ str r1, [r2, r3]
1:
mov32 r9, 0xc09
--
2.22.0