watchdog: imx: use clk_get to acquire the watchdog clock

Use clk_get to acquire the watchdog clock and also avoid hardcoding the clock name.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/arm/mach-imx/clock-imx21.c

@@ -1185,7 +1185,7 @@ static struct clk_lookup lookups[] = {
 	_REGISTER_CLOCK(NULL, "brom", brom_clk)
 	_REGISTER_CLOCK(NULL, "emma", emma_clk[0])
 	_REGISTER_CLOCK(NULL, "slcdc", slcdc_clk[0])
-	_REGISTER_CLOCK("imx-wdt.0", NULL, wdog_clk)
+	_REGISTER_CLOCK("imx2-wdt.0", NULL, wdog_clk)
 	_REGISTER_CLOCK(NULL, "gpio", gpio_clk)
 	_REGISTER_CLOCK("imx-i2c.0", NULL, i2c_clk)
 	_REGISTER_CLOCK("mxc-keypad", NULL, kpp_clk)

arch/arm/mach-imx/clock-imx25.c

@@ -296,7 +296,7 @@ static struct clk_lookup lookups[] = {
 	_REGISTER_CLOCK("fec.0", NULL, fec_clk)
 	_REGISTER_CLOCK("imxdi_rtc.0", NULL, dryice_clk)
 	_REGISTER_CLOCK("imx-fb.0", NULL, lcdc_clk)
-	_REGISTER_CLOCK("imx-wdt.0", NULL, wdt_clk)
+	_REGISTER_CLOCK("imx2-wdt.0", NULL, wdt_clk)
 	_REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk)
 	_REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk)
 	_REGISTER_CLOCK("sdhci-esdhc-imx.0", NULL, esdhc1_clk)

arch/arm/mach-imx/clock-imx27.c

@@ -667,7 +667,7 @@ static struct clk_lookup lookups[] = {
 	_REGISTER_CLOCK(NULL, "sahara2", sahara2_clk)
 	_REGISTER_CLOCK(NULL, "ata", ata_clk)
 	_REGISTER_CLOCK(NULL, "mstick", mstick_clk)
-	_REGISTER_CLOCK("imx-wdt.0", NULL, wdog_clk)
+	_REGISTER_CLOCK("imx2-wdt.0", NULL, wdog_clk)
 	_REGISTER_CLOCK(NULL, "gpio", gpio_clk)
 	_REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk)
 	_REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk)

arch/arm/mach-mx3/clock-imx31.c

@@ -530,7 +530,7 @@ static struct clk_lookup lookups[] = {
 	_REGISTER_CLOCK("imx31-cspi.2", NULL, cspi3_clk)
 	_REGISTER_CLOCK(NULL, "gpt", gpt_clk)
 	_REGISTER_CLOCK(NULL, "pwm", pwm_clk)
-	_REGISTER_CLOCK("imx-wdt.0", NULL, wdog_clk)
+	_REGISTER_CLOCK("imx2-wdt.0", NULL, wdog_clk)
 	_REGISTER_CLOCK(NULL, "rtc", rtc_clk)
 	_REGISTER_CLOCK(NULL, "epit", epit1_clk)
 	_REGISTER_CLOCK(NULL, "epit", epit2_clk)

arch/arm/mach-mx3/clock-imx35.c

@@ -495,7 +495,7 @@ static struct clk_lookup lookups[] = {
 	_REGISTER_CLOCK("mxc-ehci.2", "usb", usbotg_clk)
 	_REGISTER_CLOCK("fsl-usb2-udc", "usb", usbotg_clk)
 	_REGISTER_CLOCK("fsl-usb2-udc", "usb_ahb", usbahb_clk)
-	_REGISTER_CLOCK("imx-wdt.0", NULL, wdog_clk)
+	_REGISTER_CLOCK("imx2-wdt.0", NULL, wdog_clk)
 	_REGISTER_CLOCK(NULL, "max", max_clk)
 	_REGISTER_CLOCK(NULL, "audmux", audmux_clk)
 	_REGISTER_CLOCK(NULL, "csi", csi_clk)

arch/arm/mach-mx5/clock-mx51-mx53.c

@@ -1110,8 +1110,8 @@ static struct clk_lookup mx51_lookups[] = {
 	_REGISTER_CLOCK("sdhci-esdhc-imx.1", NULL, esdhc2_clk)
 	_REGISTER_CLOCK(NULL, "cpu_clk", cpu_clk)
 	_REGISTER_CLOCK(NULL, "iim_clk", iim_clk)
-	_REGISTER_CLOCK("imx-wdt.0", NULL, dummy_clk)
-	_REGISTER_CLOCK("imx-wdt.1", NULL, dummy_clk)
+	_REGISTER_CLOCK("imx2-wdt.0", NULL, dummy_clk)
+	_REGISTER_CLOCK("imx2-wdt.1", NULL, dummy_clk)
 };
 
 static struct clk_lookup mx53_lookups[] = {

arch/arm/plat-mxc/system.c

@@ -55,7 +55,7 @@ void arch_reset(char mode, const char *cmd)
 	} else {
 		struct clk *clk;
 
-		clk = clk_get_sys("imx-wdt.0", NULL);
+		clk = clk_get_sys("imx2-wdt.0", NULL);
 		if (!IS_ERR(clk))
 			clk_enable(clk);
 		wcr_enable = (1 << 2);

drivers/watchdog/imx2_wdt.c

@@ -270,7 +270,7 @@ static int __init imx2_wdt_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
-	imx2_wdt.clk = clk_get_sys("imx-wdt.0", NULL);
+	imx2_wdt.clk = clk_get(&pdev->dev, NULL);
 	if (IS_ERR(imx2_wdt.clk)) {
 		dev_err(&pdev->dev, "can't get Watchdog clock\n");
 		return PTR_ERR(imx2_wdt.clk);