summaryrefslogtreecommitdiff
path: root/arch/arm/mach-tegra
diff options
context:
space:
mode:
authorDmitry Osipenko <digetx@gmail.com>2019-07-30 20:23:39 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-12-21 11:04:48 +0100
commitf3362ea64bd352373765e4353e568be051ad2bf7 (patch)
treea5b037b18c4a4c688d5953781c25c9a713f3ebdd /arch/arm/mach-tegra
parente8856787db4f16aaa967690b4bbd5927bb8495a3 (diff)
ARM: tegra: Fix FLOW_CTLR_HALT register clobbering by tegra_resume()
commit d70f7d31a9e2088e8a507194354d41ea10062994 upstream. There is an unfortunate typo in the code that results in writing to FLOW_CTLR_HALT instead of FLOW_CTLR_CSR. Cc: <stable@vger.kernel.org> Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm/mach-tegra')
-rw-r--r--arch/arm/mach-tegra/reset-handler.S6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/mach-tegra/reset-handler.S b/arch/arm/mach-tegra/reset-handler.S
index 67b763fea005..e3f34815c9da 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