linux-kernel - [PATCH v11 6/6] amba: Use inlines instead of macros for amba_pclk

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Date:	Wed, 12 Nov 2014 15:32:28 +0100
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
	Russell King <linux@....linux.org.uk>,
	Dan Williams <dan.j.williams@...el.com>,
	Vinod Koul <vinod.koul@...el.com>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Alan Stern <stern@...land.harvard.edu>,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
	dmaengine@...r.kernel.org
Cc:	Kevin Hilman <khilman@...nel.org>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Subject: [PATCH v11 6/6] amba: Use inlines instead of macros for
 amba_pclk_enable/disable

Replace the amba_pclk_enable and amba_pclk_disable macros with static
inline functions and remove checks for IS_ERR. The amba bus clock won't
be ERR because probe would fail before the use of these functions.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
---
 include/linux/amba/bus.h | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
index 2afc618b15ce..7daba00ddabd 100644
--- a/include/linux/amba/bus.h
+++ b/include/linux/amba/bus.h
@@ -92,11 +92,15 @@ struct amba_device *amba_find_device(const char *, struct device *, unsigned int
 int amba_request_regions(struct amba_device *, const char *);
 void amba_release_regions(struct amba_device *);
 
-#define amba_pclk_enable(d)	\
-	(IS_ERR((d)->pclk) ? 0 : clk_enable((d)->pclk))
+static inline int amba_pclk_enable(struct amba_device *dev)
+{
+	return clk_enable(dev->pclk);
+}
 
-#define amba_pclk_disable(d)	\
-	do { if (!IS_ERR((d)->pclk)) clk_disable((d)->pclk); } while (0)
+static inline void amba_pclk_disable(struct amba_device *dev)
+{
+	clk_disable(dev->pclk);
+}
 
 static inline int amba_pclk_prepare(struct amba_device *dev)
 {
-- 
1.9.1

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