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

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>

diff --git a/drivers/w1/masters/mxc_w1.c b/drivers/w1/masters/mxc_w1.c
index 15c7251b05563d5cbef5df2aeca278dd4f4a8502..5de3ca9b0fb9011c305d780dea522f8d56f93eee 100644 (file)
--- a/drivers/w1/masters/mxc_w1.c
+++ b/drivers/w1/masters/mxc_w1.c
@@ -46,7 +46,6 @@
 
 struct mxc_w1_device {
        void __iomem *regs;
-       unsigned int clkdiv;
        struct clk *clk;
        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 resource *res;
+       unsigned int clkdiv;
        int err = 0;
 
        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))
                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);
        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);
 
        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.reset_bus = mxc_w1_ds2_reset_bus;