linux-kernel - [PATCH v2 13/13] soc: mediatek: mtk-svs: keep svs alive even though debug cmd create fail

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Date:   Tue, 27 Dec 2022 20:09:14 +0800
From:   Roger Lu <roger.lu@...iatek.com>
To:     Matthias Brugger <matthias.bgg@...il.com>,
        Enric Balletbo Serra <eballetbo@...il.com>,
        Kevin Hilman <khilman@...nel.org>,
        Nicolas Boichat <drinkcat@...gle.com>
CC:     Fan Chen <fan.chen@...iatek.com>, Roger Lu <roger.lu@...iatek.com>,
        Jia-wei Chang <jia-wei.chang@...iatek.com>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: [PATCH v2 13/13] soc: mediatek: mtk-svs: keep svs alive even though debug cmd create fail

Some projects might not support DEBUG_FS but still needs svs to be
supported. Therefore, keep svs alive even though debug cmd create fail.

Signed-off-by: Roger Lu <roger.lu@...iatek.com>
---
 drivers/soc/mediatek/mtk-svs.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/soc/mediatek/mtk-svs.c b/drivers/soc/mediatek/mtk-svs.c
index 8ef330175d39..89579276c09c 100644
--- a/drivers/soc/mediatek/mtk-svs.c
+++ b/drivers/soc/mediatek/mtk-svs.c
@@ -806,7 +806,7 @@ static int svs_status_debug_show(struct seq_file *m, void *v)
 
 debug_fops_ro(status);
 
-static int svs_create_debug_cmds(struct svs_platform *svsp)
+static void svs_create_debug_cmds(struct svs_platform *svsp)
 {
 	struct svs_bank *svsb;
 	struct dentry *svs_dir, *svsb_dir, *file_entry;
@@ -831,7 +831,7 @@ static int svs_create_debug_cmds(struct svs_platform *svsp)
 	if (IS_ERR(svs_dir)) {
 		dev_err(svsp->dev, "cannot create %s: %ld\n",
 			d, PTR_ERR(svs_dir));
-		return PTR_ERR(svs_dir);
+		return;
 	}
 
 	for (i = 0; i < ARRAY_SIZE(svs_entries); i++) {
@@ -841,7 +841,7 @@ static int svs_create_debug_cmds(struct svs_platform *svsp)
 		if (IS_ERR(file_entry)) {
 			dev_err(svsp->dev, "cannot create %s/%s: %ld\n",
 				d, svs_entries[i].name, PTR_ERR(file_entry));
-			return PTR_ERR(file_entry);
+			return;
 		}
 	}
 
@@ -855,7 +855,7 @@ static int svs_create_debug_cmds(struct svs_platform *svsp)
 		if (IS_ERR(svsb_dir)) {
 			dev_err(svsp->dev, "cannot create %s/%s: %ld\n",
 				d, svsb->name, PTR_ERR(svsb_dir));
-			return PTR_ERR(svsb_dir);
+			return;
 		}
 
 		for (i = 0; i < ARRAY_SIZE(svsb_entries); i++) {
@@ -866,12 +866,10 @@ static int svs_create_debug_cmds(struct svs_platform *svsp)
 				dev_err(svsp->dev, "no %s/%s/%s?: %ld\n",
 					d, svsb->name, svsb_entries[i].name,
 					PTR_ERR(file_entry));
-				return PTR_ERR(file_entry);
+				return;
 			}
 		}
 	}
-
-	return 0;
 }
 
 static u32 interpolate(u32 f0, u32 f1, u32 v0, u32 v1, u32 fx)
@@ -2417,11 +2415,7 @@ static int svs_probe(struct platform_device *pdev)
 		goto svs_probe_iounmap;
 	}
 
-	ret = svs_create_debug_cmds(svsp);
-	if (ret) {
-		dev_err(svsp->dev, "svs create debug cmds fail: %d\n", ret);
-		goto svs_probe_iounmap;
-	}
+	svs_create_debug_cmds(svsp);
 
 	return 0;
 
-- 
2.18.0