This is a note to let you know that I've just added the patch titled
remoteproc: qcom: q6v5: Fix missing clk_disable_unprepare() in q6v5_wcss_qcs404_power_on()
to the 6.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
remoteproc-qcom-q6v5-fix-missing-clk_disable_unprepa.patch
and it can be found in the queue-6.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 7c08fd7d553078b3e4785079d500885fe70cfbb0
Author: Shang XiaoJing <shangxiaojing@xxxxxxxxxx>
Date: Sun Dec 4 16:27:57 2022 +0800
remoteproc: qcom: q6v5: Fix missing clk_disable_unprepare() in q6v5_wcss_qcs404_power_on()
[ Upstream commit 7ff5d60f18bba5cbaf17b2926aa9da44d5beca01 ]
q6v5_wcss_qcs404_power_on() have no fail path for readl_poll_timeout().
Add fail path for readl_poll_timeout().
Fixes: 0af65b9b915e ("remoteproc: qcom: wcss: Add non pas wcss Q6 support for QCS404")
Signed-off-by: Shang XiaoJing <shangxiaojing@xxxxxxxxxx>
Signed-off-by: Bjorn Andersson <andersson@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20221204082757.18850-1-shangxiaojing@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c
index de232337e082..ba24d745b2d6 100644
--- a/drivers/remoteproc/qcom_q6v5_wcss.c
+++ b/drivers/remoteproc/qcom_q6v5_wcss.c
@@ -351,7 +351,7 @@ static int q6v5_wcss_qcs404_power_on(struct q6v5_wcss *wcss)
if (ret) {
dev_err(wcss->dev,
"xo cbcr enabling timed out (rc:%d)\n", ret);
- return ret;
+ goto disable_xo_cbcr_clk;
}
writel(0, wcss->reg_base + Q6SS_CGC_OVERRIDE);
@@ -417,6 +417,7 @@ static int q6v5_wcss_qcs404_power_on(struct q6v5_wcss *wcss)
val = readl(wcss->reg_base + Q6SS_SLEEP_CBCR);
val &= ~Q6SS_CLK_ENABLE;
writel(val, wcss->reg_base + Q6SS_SLEEP_CBCR);
+disable_xo_cbcr_clk:
val = readl(wcss->reg_base + Q6SS_XO_CBCR);
val &= ~Q6SS_CLK_ENABLE;
writel(val, wcss->reg_base + Q6SS_XO_CBCR);
