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w1: mxc_w1: Remove unused field "clkdiv" from private structure

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Private field "clkdiv" is not used outside "probe", so there are
no reason to keep it in driver.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexander Shiyan 2013-11-29 15:39:28 +04:00 committed by Greg Kroah-Hartman
parent 5123662adc
commit a082263725
1 changed files with 3 additions and 3 deletions
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6
drivers/w1/masters/mxc_w1.c
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@ -46,7 +46,6 @@
struct mxc_w1_device { struct mxc_w1_device {
void __iomem *regs; void __iomem *regs;
unsigned int clkdiv;
struct clk *clk; struct clk *clk;
struct w1_bus_master bus_master; struct w1_bus_master bus_master;
}; };
@ -107,6 +106,7 @@ static int mxc_w1_probe(struct platform_device *pdev)
{ {
struct mxc_w1_device *mdev; struct mxc_w1_device *mdev;
struct resource *res; struct resource *res;
unsigned int clkdiv;
int err = 0; int err = 0;
mdev = devm_kzalloc(&pdev->dev, sizeof(struct mxc_w1_device), mdev = devm_kzalloc(&pdev->dev, sizeof(struct mxc_w1_device),
@ -118,7 +118,7 @@ static int mxc_w1_probe(struct platform_device *pdev)
if (IS_ERR(mdev->clk)) if (IS_ERR(mdev->clk))
return PTR_ERR(mdev->clk); return PTR_ERR(mdev->clk);
mdev->clkdiv = (clk_get_rate(mdev->clk) / 1000000) - 1; clkdiv = (clk_get_rate(mdev->clk) / 1000000) - 1;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0); res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
mdev->regs = devm_ioremap_resource(&pdev->dev, res); mdev->regs = devm_ioremap_resource(&pdev->dev, res);
@ -126,7 +126,7 @@ static int mxc_w1_probe(struct platform_device *pdev)
return PTR_ERR(mdev->regs); return PTR_ERR(mdev->regs);
clk_prepare_enable(mdev->clk); clk_prepare_enable(mdev->clk);
__raw_writeb(mdev->clkdiv, mdev->regs + MXC_W1_TIME_DIVIDER); __raw_writeb(clkdiv, mdev->regs + MXC_W1_TIME_DIVIDER);
mdev->bus_master.data = mdev; mdev->bus_master.data = mdev;
mdev->bus_master.reset_bus = mxc_w1_ds2_reset_bus; mdev->bus_master.reset_bus = mxc_w1_ds2_reset_bus;