All of lore.kernel.org
 help / color / mirror / Atom feed
From: Ryder Lee <ryder.lee@mediatek.com>
To: Thierry Reding <thierry.reding@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>, <linux-pwm@vger.kernel.org>,
	Weijie Gao <weijie.gao@mediatek.com>,
	Roy Luo <cheng-hao.luo@mediatek.com>,
	<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-mediatek@lists.infradead.org>,
	Ryder Lee <ryder.lee@mediatek.com>,
	John Crispin <john@phrozen.org>
Subject: [resend PATCH 1/3] pwm: mediatek: drop flag 'has_clks'
Date: Tue, 13 Nov 2018 10:08:22 +0800	[thread overview]
Message-ID: <4c9044427b1aab373acd6ac76f0c905e2be79784.1542074855.git.ryder.lee@mediatek.com> (raw)

The flag 'has_clks' and related checks are superfluous as the CCF
subsystem does this for you.

Cc: John Crispin <john@phrozen.org>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
---
 drivers/pwm/pwm-mediatek.c | 20 +++++---------------
 1 file changed, 5 insertions(+), 15 deletions(-)

diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c
index eb6674c..9400c41 100644
--- a/drivers/pwm/pwm-mediatek.c
+++ b/drivers/pwm/pwm-mediatek.c
@@ -57,7 +57,6 @@ enum {
 struct mtk_pwm_platform_data {
 	unsigned int num_pwms;
 	bool pwm45_fixup;
-	bool has_clks;
 };
 
 /**
@@ -87,9 +86,6 @@ static int mtk_pwm_clk_enable(struct pwm_chip *chip, struct pwm_device *pwm)
 	struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip);
 	int ret;
 
-	if (!pc->soc->has_clks)
-		return 0;
-
 	ret = clk_prepare_enable(pc->clks[MTK_CLK_TOP]);
 	if (ret < 0)
 		return ret;
@@ -116,9 +112,6 @@ static void mtk_pwm_clk_disable(struct pwm_chip *chip, struct pwm_device *pwm)
 {
 	struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip);
 
-	if (!pc->soc->has_clks)
-		return;
-
 	clk_disable_unprepare(pc->clks[MTK_CLK_PWM1 + pwm->hwpwm]);
 	clk_disable_unprepare(pc->clks[MTK_CLK_MAIN]);
 	clk_disable_unprepare(pc->clks[MTK_CLK_TOP]);
@@ -246,12 +239,13 @@ static int mtk_pwm_probe(struct platform_device *pdev)
 	if (IS_ERR(pc->regs))
 		return PTR_ERR(pc->regs);
 
-	for (i = 0; i < data->num_pwms + 2 && pc->soc->has_clks; i++) {
+	for (i = 0; i < data->num_pwms + 2; i++) {
 		pc->clks[i] = devm_clk_get(&pdev->dev, mtk_pwm_clk_name[i]);
 		if (IS_ERR(pc->clks[i])) {
-			dev_err(&pdev->dev, "clock: %s fail: %ld\n",
-				mtk_pwm_clk_name[i], PTR_ERR(pc->clks[i]));
-			return PTR_ERR(pc->clks[i]);
+			if (PTR_ERR(pc->clks[i]) == -EPROBE_DEFER)
+				return -EPROBE_DEFER;
+
+			pc->clks[i] = NULL;
 		}
 	}
 
@@ -281,25 +275,21 @@ static int mtk_pwm_remove(struct platform_device *pdev)
 static const struct mtk_pwm_platform_data mt2712_pwm_data = {
 	.num_pwms = 8,
 	.pwm45_fixup = false,
-	.has_clks = true,
 };
 
 static const struct mtk_pwm_platform_data mt7622_pwm_data = {
 	.num_pwms = 6,
 	.pwm45_fixup = false,
-	.has_clks = true,
 };
 
 static const struct mtk_pwm_platform_data mt7623_pwm_data = {
 	.num_pwms = 5,
 	.pwm45_fixup = true,
-	.has_clks = true,
 };
 
 static const struct mtk_pwm_platform_data mt7628_pwm_data = {
 	.num_pwms = 4,
 	.pwm45_fixup = true,
-	.has_clks = false,
 };
 
 static const struct of_device_id mtk_pwm_of_match[] = {
-- 
1.9.1


WARNING: multiple messages have this Message-ID (diff)
From: Ryder Lee <ryder.lee@mediatek.com>
To: Thierry Reding <thierry.reding@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>,
	linux-pwm@vger.kernel.org, Weijie Gao <weijie.gao@mediatek.com>,
	Roy Luo <cheng-hao.luo@mediatek.com>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org,
	Ryder Lee <ryder.lee@mediatek.com>,
	John Crispin <john@phrozen.org>
Subject: [resend PATCH 1/3] pwm: mediatek: drop flag 'has_clks'
Date: Tue, 13 Nov 2018 10:08:22 +0800	[thread overview]
Message-ID: <4c9044427b1aab373acd6ac76f0c905e2be79784.1542074855.git.ryder.lee@mediatek.com> (raw)

The flag 'has_clks' and related checks are superfluous as the CCF
subsystem does this for you.

Cc: John Crispin <john@phrozen.org>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
---
 drivers/pwm/pwm-mediatek.c | 20 +++++---------------
 1 file changed, 5 insertions(+), 15 deletions(-)

diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c
index eb6674c..9400c41 100644
--- a/drivers/pwm/pwm-mediatek.c
+++ b/drivers/pwm/pwm-mediatek.c
@@ -57,7 +57,6 @@ enum {
 struct mtk_pwm_platform_data {
 	unsigned int num_pwms;
 	bool pwm45_fixup;
-	bool has_clks;
 };
 
 /**
@@ -87,9 +86,6 @@ static int mtk_pwm_clk_enable(struct pwm_chip *chip, struct pwm_device *pwm)
 	struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip);
 	int ret;
 
-	if (!pc->soc->has_clks)
-		return 0;
-
 	ret = clk_prepare_enable(pc->clks[MTK_CLK_TOP]);
 	if (ret < 0)
 		return ret;
@@ -116,9 +112,6 @@ static void mtk_pwm_clk_disable(struct pwm_chip *chip, struct pwm_device *pwm)
 {
 	struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip);
 
-	if (!pc->soc->has_clks)
-		return;
-
 	clk_disable_unprepare(pc->clks[MTK_CLK_PWM1 + pwm->hwpwm]);
 	clk_disable_unprepare(pc->clks[MTK_CLK_MAIN]);
 	clk_disable_unprepare(pc->clks[MTK_CLK_TOP]);
@@ -246,12 +239,13 @@ static int mtk_pwm_probe(struct platform_device *pdev)
 	if (IS_ERR(pc->regs))
 		return PTR_ERR(pc->regs);
 
-	for (i = 0; i < data->num_pwms + 2 && pc->soc->has_clks; i++) {
+	for (i = 0; i < data->num_pwms + 2; i++) {
 		pc->clks[i] = devm_clk_get(&pdev->dev, mtk_pwm_clk_name[i]);
 		if (IS_ERR(pc->clks[i])) {
-			dev_err(&pdev->dev, "clock: %s fail: %ld\n",
-				mtk_pwm_clk_name[i], PTR_ERR(pc->clks[i]));
-			return PTR_ERR(pc->clks[i]);
+			if (PTR_ERR(pc->clks[i]) == -EPROBE_DEFER)
+				return -EPROBE_DEFER;
+
+			pc->clks[i] = NULL;
 		}
 	}
 
@@ -281,25 +275,21 @@ static int mtk_pwm_remove(struct platform_device *pdev)
 static const struct mtk_pwm_platform_data mt2712_pwm_data = {
 	.num_pwms = 8,
 	.pwm45_fixup = false,
-	.has_clks = true,
 };
 
 static const struct mtk_pwm_platform_data mt7622_pwm_data = {
 	.num_pwms = 6,
 	.pwm45_fixup = false,
-	.has_clks = true,
 };
 
 static const struct mtk_pwm_platform_data mt7623_pwm_data = {
 	.num_pwms = 5,
 	.pwm45_fixup = true,
-	.has_clks = true,
 };
 
 static const struct mtk_pwm_platform_data mt7628_pwm_data = {
 	.num_pwms = 4,
 	.pwm45_fixup = true,
-	.has_clks = false,
 };
 
 static const struct of_device_id mtk_pwm_of_match[] = {
-- 
1.9.1

WARNING: multiple messages have this Message-ID (diff)
From: ryder.lee@mediatek.com (Ryder Lee)
To: linux-arm-kernel@lists.infradead.org
Subject: [resend PATCH 1/3] pwm: mediatek: drop flag 'has_clks'
Date: Tue, 13 Nov 2018 10:08:22 +0800	[thread overview]
Message-ID: <4c9044427b1aab373acd6ac76f0c905e2be79784.1542074855.git.ryder.lee@mediatek.com> (raw)

The flag 'has_clks' and related checks are superfluous as the CCF
subsystem does this for you.

Cc: John Crispin <john@phrozen.org>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
---
 drivers/pwm/pwm-mediatek.c | 20 +++++---------------
 1 file changed, 5 insertions(+), 15 deletions(-)

diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c
index eb6674c..9400c41 100644
--- a/drivers/pwm/pwm-mediatek.c
+++ b/drivers/pwm/pwm-mediatek.c
@@ -57,7 +57,6 @@ enum {
 struct mtk_pwm_platform_data {
 	unsigned int num_pwms;
 	bool pwm45_fixup;
-	bool has_clks;
 };
 
 /**
@@ -87,9 +86,6 @@ static int mtk_pwm_clk_enable(struct pwm_chip *chip, struct pwm_device *pwm)
 	struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip);
 	int ret;
 
-	if (!pc->soc->has_clks)
-		return 0;
-
 	ret = clk_prepare_enable(pc->clks[MTK_CLK_TOP]);
 	if (ret < 0)
 		return ret;
@@ -116,9 +112,6 @@ static void mtk_pwm_clk_disable(struct pwm_chip *chip, struct pwm_device *pwm)
 {
 	struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip);
 
-	if (!pc->soc->has_clks)
-		return;
-
 	clk_disable_unprepare(pc->clks[MTK_CLK_PWM1 + pwm->hwpwm]);
 	clk_disable_unprepare(pc->clks[MTK_CLK_MAIN]);
 	clk_disable_unprepare(pc->clks[MTK_CLK_TOP]);
@@ -246,12 +239,13 @@ static int mtk_pwm_probe(struct platform_device *pdev)
 	if (IS_ERR(pc->regs))
 		return PTR_ERR(pc->regs);
 
-	for (i = 0; i < data->num_pwms + 2 && pc->soc->has_clks; i++) {
+	for (i = 0; i < data->num_pwms + 2; i++) {
 		pc->clks[i] = devm_clk_get(&pdev->dev, mtk_pwm_clk_name[i]);
 		if (IS_ERR(pc->clks[i])) {
-			dev_err(&pdev->dev, "clock: %s fail: %ld\n",
-				mtk_pwm_clk_name[i], PTR_ERR(pc->clks[i]));
-			return PTR_ERR(pc->clks[i]);
+			if (PTR_ERR(pc->clks[i]) == -EPROBE_DEFER)
+				return -EPROBE_DEFER;
+
+			pc->clks[i] = NULL;
 		}
 	}
 
@@ -281,25 +275,21 @@ static int mtk_pwm_remove(struct platform_device *pdev)
 static const struct mtk_pwm_platform_data mt2712_pwm_data = {
 	.num_pwms = 8,
 	.pwm45_fixup = false,
-	.has_clks = true,
 };
 
 static const struct mtk_pwm_platform_data mt7622_pwm_data = {
 	.num_pwms = 6,
 	.pwm45_fixup = false,
-	.has_clks = true,
 };
 
 static const struct mtk_pwm_platform_data mt7623_pwm_data = {
 	.num_pwms = 5,
 	.pwm45_fixup = true,
-	.has_clks = true,
 };
 
 static const struct mtk_pwm_platform_data mt7628_pwm_data = {
 	.num_pwms = 4,
 	.pwm45_fixup = true,
-	.has_clks = false,
 };
 
 static const struct of_device_id mtk_pwm_of_match[] = {
-- 
1.9.1

             reply	other threads:[~2018-11-13  2:08 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-13  2:08 Ryder Lee [this message]
2018-11-13  2:08 ` [resend PATCH 1/3] pwm: mediatek: drop flag 'has_clks' Ryder Lee
2018-11-13  2:08 ` Ryder Lee
2018-11-13  2:08 ` [resend PATCH 2/3] pwm: mediatek: add pwm support for MT7629 SoC Ryder Lee
2018-11-13  2:08   ` Ryder Lee
2018-11-13  2:08   ` Ryder Lee
2018-11-15 19:20   ` Sean Wang
2018-11-15 19:20     ` Sean Wang
2018-11-13  2:08 ` [resend PATCH 3/3] dt-bindings: pwm: update bindings " Ryder Lee
2018-11-13  2:08   ` Ryder Lee
2018-11-13  2:08   ` Ryder Lee
2018-11-13  9:55   ` Uwe Kleine-König
2018-11-13  9:55     ` Uwe Kleine-König
2018-11-13  9:52 ` [resend PATCH 1/3] pwm: mediatek: drop flag 'has_clks' Uwe Kleine-König
2018-11-13  9:52   ` Uwe Kleine-König
2018-11-13 18:00   ` Stephen Boyd
2018-11-13 18:00     ` Stephen Boyd
2018-11-14 12:47 ` Thierry Reding
2018-11-14 12:47   ` Thierry Reding
2018-11-14 13:27   ` John Crispin
2018-11-14 13:27     ` John Crispin
2018-11-15  2:16     ` Ryder Lee
2018-11-15  2:16       ` Ryder Lee
2018-11-15  2:16       ` Ryder Lee
2018-11-16  6:47   ` Uwe Kleine-König
2018-11-16  6:47     ` Uwe Kleine-König
2018-11-16 10:22     ` Thierry Reding
2018-11-16 10:22       ` Thierry Reding

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4c9044427b1aab373acd6ac76f0c905e2be79784.1542074855.git.ryder.lee@mediatek.com \
    --to=ryder.lee@mediatek.com \
    --cc=cheng-hao.luo@mediatek.com \
    --cc=devicetree@vger.kernel.org \
    --cc=john@phrozen.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mediatek@lists.infradead.org \
    --cc=linux-pwm@vger.kernel.org \
    --cc=robh+dt@kernel.org \
    --cc=thierry.reding@gmail.com \
    --cc=weijie.gao@mediatek.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
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.