From: Sam Shih <sam.shih@mediatek.com>
To: Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Thierry Reding <thierry.reding@gmail.com>
Cc: Ryder Lee <ryder.lee@mediatek.com>,
John Crispin <john@phrozen.org>, <linux-pwm@vger.kernel.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>,
sam shih <sam.shih@mediatek.com>
Subject: [PATCH v4 2/10] pwm: mediatek: droping the check for of_device_get_match_data
Date: Tue, 20 Aug 2019 09:40:17 +0800 [thread overview]
Message-ID: <1566265225-27452-3-git-send-email-sam.shih@mediatek.com> (raw)
In-Reply-To: <1566265225-27452-1-git-send-email-sam.shih@mediatek.com>
From: sam shih <sam.shih@mediatek.com>
This patch drop the check for of_device_get_match_data.
Due to the only way call driver probe is compatible match,
In this case, the platform data should never be NULL.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Sam Shih <sam.shih@mediatek.com>
---
Used:
https://patchwork.kernel.org/patch/11096905/
Changes since v4:
Follow reviewer's comments:
Move the changes of droping the check for of_device_get_match_data
returning non-NULL to this patch
---
drivers/pwm/pwm-mediatek.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c
index 287fda3674ce..f9d67fb66adb 100644
--- a/drivers/pwm/pwm-mediatek.c
+++ b/drivers/pwm/pwm-mediatek.c
@@ -236,10 +236,7 @@ static int mtk_pwm_probe(struct platform_device *pdev)
if (!pc)
return -ENOMEM;
- data = of_device_get_match_data(&pdev->dev);
- if (data == NULL)
- return -EINVAL;
- pc->soc = data;
+ pc->soc = of_device_get_match_data(&pdev->dev);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
pc->regs = devm_ioremap_resource(&pdev->dev, res);
--
2.17.1
next prev parent reply other threads:[~2019-08-20 1:41 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-20 1:40 [PATCH v4 0/10] Add mt7629 and fix mt7628 pwm Sam Shih
2019-08-20 1:40 ` [PATCH v4 1/10] pwm: mediatek: add a property "num-pwms" Sam Shih
2019-08-20 5:32 ` Uwe Kleine-König
2019-08-20 1:40 ` Sam Shih [this message]
2019-08-20 5:40 ` [PATCH v4 2/10] pwm: mediatek: droping the check for of_device_get_match_data Uwe Kleine-König
2019-08-20 1:40 ` [PATCH v4 3/10] pwm: mediatek: allocate the clks array dynamically and fix mt7628 pwm Sam Shih
2019-08-20 5:51 ` Uwe Kleine-König
2019-08-20 1:40 ` [PATCH v4 4/10] pwm: mediatek: use pwm_mediatek as common prefix Sam Shih
2019-08-20 5:55 ` Uwe Kleine-König
2019-08-20 1:40 ` [PATCH v4 5/10] dt-bindings: pwm: add a property "num-pwms" Sam Shih
2019-08-20 5:56 ` Uwe Kleine-König
2019-08-20 1:40 ` [PATCH v4 6/10] dt-bindings: pwm: update bindings for MT7628 SoC Sam Shih
2019-08-20 5:58 ` Uwe Kleine-König
2019-08-20 1:40 ` [PATCH v4 7/10] arm64: dts: mt7622: add a property "num-pwms" for PWM node Sam Shih
2019-08-20 1:40 ` [PATCH v4 8/10] arm: dts: mt7623: " Sam Shih
2019-08-20 1:40 ` [PATCH v4 9/10] dt-bindings: pwm: update bindings for MT7629 SoC Sam Shih
2019-08-20 18:00 ` Rob Herring
2019-08-20 1:40 ` [PATCH v4 10/10] arm: dts: mediatek: add mt7629 pwm support Sam Shih
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