linux-kernel - [PATCH v3 03/14] i2c-octeon: Cleanup resource allocation code

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Date:	Mon,  7 Mar 2016 16:10:46 +0100
From:	Jan Glauber <jglauber@...ium.com>
To:	Wolfram Sang <wsa@...-dreams.de>
Cc:	linux-kernel@...r.kernel.org, linux-i2c@...r.kernel.org,
	David Daney <ddaney@...iumnetworks.com>,
	David Daney <david.daney@...ium.com>,
	Jan Glauber <jglauber@...ium.com>
Subject: [PATCH v3 03/14] i2c-octeon: Cleanup resource allocation code

From: David Daney <david.daney@...ium.com>

Use resource start and size directly.

Signed-off-by: David Daney <david.daney@...ium.com>
Signed-off-by: Jan Glauber <jglauber@...ium.com>
---
 drivers/i2c/busses/i2c-octeon.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/i2c/busses/i2c-octeon.c b/drivers/i2c/busses/i2c-octeon.c
index 03dd3d9..519e328 100644
--- a/drivers/i2c/busses/i2c-octeon.c
+++ b/drivers/i2c/busses/i2c-octeon.c
@@ -68,9 +68,7 @@ struct octeon_i2c {
 	int irq;
 	u32 twsi_freq;
 	int sys_freq;
-	resource_size_t twsi_phys;
 	void __iomem *twsi_base;
-	resource_size_t regsize;
 	struct device *dev;
 };
 
@@ -508,8 +506,6 @@ static int octeon_i2c_probe(struct platform_device *pdev)
 		result = -ENXIO;
 		goto out;
 	}
-	i2c->twsi_phys = res_mem->start;
-	i2c->regsize = resource_size(res_mem);
 
 	/*
 	 * "clock-rate" is a legacy binding, the official binding is
@@ -526,12 +522,13 @@ static int octeon_i2c_probe(struct platform_device *pdev)
 
 	i2c->sys_freq = octeon_get_io_clock_rate();
 
-	if (!devm_request_mem_region(&pdev->dev, i2c->twsi_phys, i2c->regsize,
-				     res_mem->name)) {
+	if (!devm_request_mem_region(&pdev->dev, res_mem->start,
+				     resource_size(res_mem), res_mem->name)) {
 		dev_err(i2c->dev, "request_mem_region failed\n");
 		goto out;
 	}
-	i2c->twsi_base = devm_ioremap(&pdev->dev, i2c->twsi_phys, i2c->regsize);
+	i2c->twsi_base = devm_ioremap(&pdev->dev, res_mem->start,
+				      resource_size(res_mem));
 
 	init_waitqueue_head(&i2c->queue);
 
-- 
1.9.1