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From: Unnathi Chalicheemala <unnathi.chalicheemala@oss.qualcomm.com>
Date: Fri, 23 May 2025 12:07:42 -0700
Subject: [PATCH v7 3/3] firmware: qcom_scm: Check for waitq state in
wait_for_wq_completion()
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| Series |
SCM: Support latest version of waitq-aware firmware
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expand
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diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c index c2682e9bde58b6f132af0c1bc2e194db0e401e3b..b8ce02099584c4a87095cdc2dd688cd28bd2dae3 100644 --- a/drivers/firmware/qcom/qcom_scm.c +++ b/drivers/firmware/qcom/qcom_scm.c @@ -2189,7 +2189,7 @@ int qcom_scm_wait_for_wq_completion(u32 wq_ctx) if (IS_ERR(wq)) return PTR_ERR(wq); - wait_for_completion(wq); + wait_for_completion_state(wq, TASK_IDLE); return 0; }
Modify wait_for_wq_completion() to check if task is in idle state using wait_for_completion_state(). This allows for detecting when waitq contexts are in idle state and propagates it to __scm_smc_do(), which is beneficial when task is idle and waiting for a kick to accept new requests. Signed-off-by: Unnathi Chalicheemala <unnathi.chalicheemala@oss.qualcomm.com> --- drivers/firmware/qcom/qcom_scm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)