diff options
| author | Gatien Chevallier <[email protected]> | 2026-02-10 11:26:03 +0100 |
|---|---|---|
| committer | Patrice Chotard <[email protected]> | 2026-02-24 17:49:43 +0100 |
| commit | 5f92eef2f994256c77bcba0649084e358524da10 (patch) | |
| tree | ac450e0c5b889d9330b97638dbb75c85e7522e57 | |
| parent | 20727a083f46bb5f664f9da624254ad38e88f400 (diff) | |
ARM: stm32mp: Do not acquire RIFSC semaphore if CID filtering is disabled
If the CID filtering is enabled, the semaphore mode is disabled as well.
To avoid an incorrect behavior and error trace, add a check of CID
filtering state before acquiring the semaphore.
Signed-off-by: Gatien Chevallier <[email protected]>
Signed-off-by: Patrice Chotard <[email protected]>
Reviewed-by: Patrick Delaunay <[email protected]>
| -rw-r--r-- | arch/arm/mach-stm32mp/stm32mp2/rifsc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-stm32mp/stm32mp2/rifsc.c b/arch/arm/mach-stm32mp/stm32mp2/rifsc.c index cf8026088f3..01ffc9f2798 100644 --- a/arch/arm/mach-stm32mp/stm32mp2/rifsc.c +++ b/arch/arm/mach-stm32mp/stm32mp2/rifsc.c @@ -208,7 +208,7 @@ int stm32_rifsc_grant_access_by_id(ofnode device_node, u32 id) * If the peripheral is in semaphore mode, take the semaphore so that * the CID1 has the ownership. */ - if (cid_reg_value & CIDCFGR_SEMEN && + if (cid_reg_value & CIDCFGR_CFEN && cid_reg_value & CIDCFGR_SEMEN && (FIELD_GET(RIFSC_RISC_SEMWL_MASK, cid_reg_value) & BIT(RIF_CID1))) { err = stm32_rifsc_acquire_semaphore(rifsc_base, id); if (err) { |