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Posted to commits@nuttx.apache.org by ma...@apache.org on 2022/04/11 22:55:09 UTC
[incubator-nuttx] 03/08: arch: cxd56xx: Fix critical section in scu driver
This is an automated email from the ASF dual-hosted git repository.
masayuki pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git
commit 39f7c4aea0d32c0d95a30b69c8cafda2e1f700a6
Author: SPRESENSE <41...@users.noreply.github.com>
AuthorDate: Mon Apr 11 19:05:59 2022 +0900
arch: cxd56xx: Fix critical section in scu driver
Add critical section to scu one-shot sequencer.
---
arch/arm/src/cxd56xx/cxd56_scu.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm/src/cxd56xx/cxd56_scu.c b/arch/arm/src/cxd56xx/cxd56_scu.c
index f84e7a4cb0..dd605b2ae3 100644
--- a/arch/arm/src/cxd56xx/cxd56_scu.c
+++ b/arch/arm/src/cxd56xx/cxd56_scu.c
@@ -939,8 +939,11 @@ static void seq_setstartphase(int sid, int phase)
static void seq_startseq(int sid)
{
uint32_t val;
+ irqstate_t flags;
+ flags = enter_critical_section();
val = getreg32(SCU_START_MODE0);
putreg32(val | (1 << sid), SCU_START_MODE0);
+ leave_critical_section(flags);
}
/****************************************************************************
@@ -957,8 +960,11 @@ static void seq_startseq(int sid)
static void seq_stopseq(int sid)
{
uint32_t val;
+ irqstate_t flags;
+ flags = enter_critical_section();
val = getreg32(SCU_START_MODE0);
putreg32(val & ~(1 << sid), SCU_START_MODE0);
+ leave_critical_section(flags);
}
/****************************************************************************