linux-kernel - [Patch v4 1/6] pwms: pwm-ti*: Get the clock from the PWMSS (parent)

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Message-Id: <1457383187-17166-2-git-send-email-fcooper@ti.com>
Date:	Mon,  7 Mar 2016 14:39:42 -0600
From:	Franklin S Cooper Jr <fcooper@...com>
To:	vigneshr@...com, thierry.reding@...il.com, robh+dt@...nel.org,
	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	bcousson@...libre.com, tony@...mide.com, paul@...an.com,
	linux-pwm@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Cc:	Franklin S Cooper Jr <fcooper@...com>
Subject: [Patch v4 1/6] pwms: pwm-ti*: Get the clock from the PWMSS (parent)

The eCAP and ePWM doesn't have their own separate clocks. They simply
utilize the clock provided directly by the PWMSS. Therefore, they simply
need to grab a reference to their parent's clock.

Signed-off-by: Franklin S Cooper Jr <fcooper@...com>
---
 drivers/pwm/pwm-tiecap.c   | 2 +-
 drivers/pwm/pwm-tiehrpwm.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pwm/pwm-tiecap.c b/drivers/pwm/pwm-tiecap.c
index 616af76..9418159 100644
--- a/drivers/pwm/pwm-tiecap.c
+++ b/drivers/pwm/pwm-tiecap.c
@@ -212,7 +212,7 @@ static int ecap_pwm_probe(struct platform_device *pdev)
 	if (!pc)
 		return -ENOMEM;
 
-	clk = devm_clk_get(&pdev->dev, "fck");
+	clk = devm_clk_get(pdev->dev.parent, "fck");
 	if (IS_ERR(clk)) {
 		dev_err(&pdev->dev, "failed to get clock\n");
 		return PTR_ERR(clk);
diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c
index 6a41e66..09dc1bc 100644
--- a/drivers/pwm/pwm-tiehrpwm.c
+++ b/drivers/pwm/pwm-tiehrpwm.c
@@ -443,7 +443,7 @@ static int ehrpwm_pwm_probe(struct platform_device *pdev)
 	if (!pc)
 		return -ENOMEM;
 
-	clk = devm_clk_get(&pdev->dev, "fck");
+	clk = devm_clk_get(pdev->dev.parent, "fck");
 	if (IS_ERR(clk)) {
 		dev_err(&pdev->dev, "failed to get clock\n");
 		return PTR_ERR(clk);
-- 
2.7.0