All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH v1 1/1] pinctrl: mediatek: remove log message in mtk_hw_pin_field_lookup
@ 2020-08-21  5:38 ` light.hsieh
  0 siblings, 0 replies; 2+ messages in thread
From: light.hsieh @ 2020-08-21  5:38 UTC (permalink / raw)
  To: linus.walleij
  Cc: linux-mediatek, linux-gpio, linux-kernel, sean.wang,
	kuohong.wang, Light Hsieh

From: Light Hsieh <light.hsieh@mediatek.com>

Originally, mtk_hw_pin_field_lookup() print log message in 2
conditions:
1. when soc does not support target property
2. when target pin does not support target property

Now, mtk_hw_pin_field_lookup() does not print log message according
to the following rationale:
1. Users of pinctrl have the duty to pass correct parameters and
   check return vale. After checking return value, the users can
   determine if log message shall be printed according to users'
   scenario.
2. Prevent message flooding when a bad user continously pass bad
   parameters to pinctrl.

Signed-off-by: Light Hsieh <light.hsieh@mediatek.com>
---
 drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
index 2f3dfb5..161d4eb 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
@@ -74,13 +74,10 @@ static int mtk_hw_pin_field_lookup(struct mtk_pinctrl *hw,
 	bool found = false;
 	u32 bits;
 
-	if (hw->soc->reg_cal && hw->soc->reg_cal[field].range) {
+	if (hw->soc->reg_cal && hw->soc->reg_cal[field].range)
 		rc = &hw->soc->reg_cal[field];
-	} else {
-		dev_dbg(hw->dev,
-			"Not support field %d for this soc\n", field);
+	else
 		return -ENOTSUPP;
-	}
 
 	end = rc->nranges - 1;
 
@@ -98,11 +95,8 @@ static int mtk_hw_pin_field_lookup(struct mtk_pinctrl *hw,
 			start = check + 1;
 	}
 
-	if (!found) {
-		dev_dbg(hw->dev, "Not support field %d for pin = %d (%s)\n",
-			field, desc->number, desc->name);
+	if (!found)
 		return -ENOTSUPP;
-	}
 
 	c = rc->range + check;
 
-- 
1.8.1.1.dirty

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* [PATCH v1 1/1] pinctrl: mediatek: remove log message in mtk_hw_pin_field_lookup
@ 2020-08-21  5:38 ` light.hsieh
  0 siblings, 0 replies; 2+ messages in thread
From: light.hsieh @ 2020-08-21  5:38 UTC (permalink / raw)
  To: linus.walleij
  Cc: sean.wang, kuohong.wang, linux-kernel, Light Hsieh, linux-gpio,
	linux-mediatek

From: Light Hsieh <light.hsieh@mediatek.com>

Originally, mtk_hw_pin_field_lookup() print log message in 2
conditions:
1. when soc does not support target property
2. when target pin does not support target property

Now, mtk_hw_pin_field_lookup() does not print log message according
to the following rationale:
1. Users of pinctrl have the duty to pass correct parameters and
   check return vale. After checking return value, the users can
   determine if log message shall be printed according to users'
   scenario.
2. Prevent message flooding when a bad user continously pass bad
   parameters to pinctrl.

Signed-off-by: Light Hsieh <light.hsieh@mediatek.com>
---
 drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
index 2f3dfb5..161d4eb 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c
@@ -74,13 +74,10 @@ static int mtk_hw_pin_field_lookup(struct mtk_pinctrl *hw,
 	bool found = false;
 	u32 bits;
 
-	if (hw->soc->reg_cal && hw->soc->reg_cal[field].range) {
+	if (hw->soc->reg_cal && hw->soc->reg_cal[field].range)
 		rc = &hw->soc->reg_cal[field];
-	} else {
-		dev_dbg(hw->dev,
-			"Not support field %d for this soc\n", field);
+	else
 		return -ENOTSUPP;
-	}
 
 	end = rc->nranges - 1;
 
@@ -98,11 +95,8 @@ static int mtk_hw_pin_field_lookup(struct mtk_pinctrl *hw,
 			start = check + 1;
 	}
 
-	if (!found) {
-		dev_dbg(hw->dev, "Not support field %d for pin = %d (%s)\n",
-			field, desc->number, desc->name);
+	if (!found)
 		return -ENOTSUPP;
-	}
 
 	c = rc->range + check;
 
-- 
1.8.1.1.dirty
_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

^ permalink raw reply related	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2020-08-21  5:45 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-08-21  5:38 [PATCH v1 1/1] pinctrl: mediatek: remove log message in mtk_hw_pin_field_lookup light.hsieh
2020-08-21  5:38 ` light.hsieh

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.