linux-kernel - [PATCH v2] soc: qcom: apr: make remove callback of apr driver void returned

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Message-ID: <TYCP286MB23232B7968D34DB8323B0F16CAFB9@TYCP286MB2323.JPNP286.PROD.OUTLOOK.COM>
Date:   Fri,  6 Jan 2023 23:28:03 +0800
From:   Dawei Li <set_pte_at@...look.com>
To:     lgirdwood@...il.com, broonie@...nel.org
Cc:     alsa-devel@...a-project.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Dawei Li <set_pte_at@...look.com>
Subject: [PATCH v2] soc: qcom: apr: make remove callback of apr driver void returned

Since commit fc7a6209d571 ("bus: Make remove callback return void")
forces bus_type::remove be void-returned, it doesn't make much sense
for any bus based driver implementing remove callbalk to return
non-void to its caller.

As such, change the remove function for apr bus based drivers to
return void.

Signed-off-by: Dawei Li <set_pte_at@...look.com>
---
v1 -> v2
- Update commit message.

v1
- https://lore.kernel.org/all/TYCP286MB2323DBD1F01BF918ADD0ABCECA189@TYCP286MB2323.JPNP286.PROD.OUTLOOK.COM/ 
---
 include/linux/soc/qcom/apr.h  | 2 +-
 sound/soc/qcom/qdsp6/q6core.c | 4 +---
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/include/linux/soc/qcom/apr.h b/include/linux/soc/qcom/apr.h
index 23c5b30f3511..be98aebcb3e1 100644
--- a/include/linux/soc/qcom/apr.h
+++ b/include/linux/soc/qcom/apr.h
@@ -153,7 +153,7 @@ typedef struct apr_device gpr_device_t;
 
 struct apr_driver {
 	int	(*probe)(struct apr_device *sl);
-	int	(*remove)(struct apr_device *sl);
+	void	(*remove)(struct apr_device *sl);
 	int	(*callback)(struct apr_device *a,
 			    struct apr_resp_pkt *d);
 	int	(*gpr_callback)(struct gpr_resp_pkt *d, void *data, int op);
diff --git a/sound/soc/qcom/qdsp6/q6core.c b/sound/soc/qcom/qdsp6/q6core.c
index 5358fefd4210..49cfb32cd209 100644
--- a/sound/soc/qcom/qdsp6/q6core.c
+++ b/sound/soc/qcom/qdsp6/q6core.c
@@ -339,7 +339,7 @@ static int q6core_probe(struct apr_device *adev)
 	return 0;
 }
 
-static int q6core_exit(struct apr_device *adev)
+static void q6core_exit(struct apr_device *adev)
 {
 	struct q6core *core = dev_get_drvdata(&adev->dev);
 
@@ -350,8 +350,6 @@ static int q6core_exit(struct apr_device *adev)
 
 	g_core = NULL;
 	kfree(core);
-
-	return 0;
 }
 
 #ifdef CONFIG_OF
-- 
2.25.1