diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index c223544052972c5aa1a85609495dda0d9d2ede04..880f3667a2eb5f7e4299825e0c668d5a4e3ed6f7 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -112,6 +112,7 @@ void __init kirkwood_clk_init(void) orion_clkdev_add(NULL, "orion_spi.1", runit); orion_clkdev_add(NULL, MV643XX_ETH_NAME ".0", ge0); orion_clkdev_add(NULL, MV643XX_ETH_NAME ".1", ge1); + orion_clkdev_add(NULL, "orion_wdt", tclk); } /***************************************************************************** @@ -351,7 +352,7 @@ void __init kirkwood_xor1_init(void) ****************************************************************************/ void __init kirkwood_wdt_init(void) { - orion_wdt_init(kirkwood_tclk); + orion_wdt_init(); } diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c index 3fc731824e9c2a525e587069d20a7672fb158beb..067bdd7c06ddaf98448307316108eb2ccc4bb2a5 100644 --- a/arch/arm/mach-orion5x/common.c +++ b/arch/arm/mach-orion5x/common.c @@ -193,7 +193,7 @@ static void __init orion5x_crypto_init(void) ****************************************************************************/ void __init orion5x_wdt_init(void) { - orion_wdt_init(orion5x_tclk); + orion_wdt_init(); } diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c index a33733bb380d38199bb452bfdcd5c3b7d5e079e0..d349998f72e5955f4e0a9dd96aee49ac9da9ae47 100644 --- a/arch/arm/plat-orion/common.c +++ b/arch/arm/plat-orion/common.c @@ -19,7 +19,6 @@ #include <linux/mv643xx_eth.h> #include <linux/mv643xx_i2c.h> #include <net/dsa.h> -#include <plat/orion_wdt.h> #include <plat/mv_xor.h> #include <plat/ehci-orion.h> #include <mach/bridge-regs.h> @@ -47,6 +46,7 @@ void __init orion_clkdev_init(struct clk *tclk) orion_clkdev_add(NULL, MV643XX_ETH_NAME ".1", tclk); orion_clkdev_add(NULL, MV643XX_ETH_NAME ".2", tclk); orion_clkdev_add(NULL, MV643XX_ETH_NAME ".3", tclk); + orion_clkdev_add(NULL, "orion_wdt", tclk); } /* Fill in the resources structure and link it into the platform @@ -575,24 +575,18 @@ void __init orion_spi_1_init(unsigned long mapbase) /***************************************************************************** * Watchdog ****************************************************************************/ -static struct orion_wdt_platform_data orion_wdt_data; - static struct resource orion_wdt_resource = DEFINE_RES_MEM(TIMER_VIRT_BASE, 0x28); static struct platform_device orion_wdt_device = { .name = "orion_wdt", .id = -1, - .dev = { - .platform_data = &orion_wdt_data, - }, - .resource = &orion_wdt_resource, .num_resources = 1, + .resource = &orion_wdt_resource, }; -void __init orion_wdt_init(unsigned long tclk) +void __init orion_wdt_init(void) { - orion_wdt_data.tclk = tclk; platform_device_register(&orion_wdt_device); } diff --git a/arch/arm/plat-orion/include/plat/common.h b/arch/arm/plat-orion/include/plat/common.h index 00d8761c7d28f9e49e9e5f8cbb7a602b111a219d..c3bfa91bfaa645c57048643ab5dc6ca2dd525311 100644 --- a/arch/arm/plat-orion/include/plat/common.h +++ b/arch/arm/plat-orion/include/plat/common.h @@ -71,7 +71,7 @@ void __init orion_spi_init(unsigned long mapbase); void __init orion_spi_1_init(unsigned long mapbase); -void __init orion_wdt_init(unsigned long tclk); +void __init orion_wdt_init(void); void __init orion_xor0_init(unsigned long mapbase_low, unsigned long mapbase_high, diff --git a/arch/arm/plat-orion/include/plat/orion_wdt.h b/arch/arm/plat-orion/include/plat/orion_wdt.h deleted file mode 100644 index 665c362a2fba5b025a7edf6ea885dd4384882fa9..0000000000000000000000000000000000000000 --- a/arch/arm/plat-orion/include/plat/orion_wdt.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * arch/arm/plat-orion/include/plat/orion_wdt.h - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#ifndef __PLAT_ORION_WDT_H -#define __PLAT_ORION_WDT_H - -struct orion_wdt_platform_data { - u32 tclk; /* no <linux/clk.h> support yet */ -}; - - -#endif - diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c index 788aa158e78c054eef91dabae21de96fa3e20d32..0f5736949c612515afcd023351106e87db596369 100644 --- a/drivers/watchdog/orion_wdt.c +++ b/drivers/watchdog/orion_wdt.c @@ -24,8 +24,8 @@ #include <linux/uaccess.h> #include <linux/io.h> #include <linux/spinlock.h> +#include <linux/clk.h> #include <mach/bridge-regs.h> -#include <plat/orion_wdt.h> /* * Watchdog timer block registers. @@ -41,6 +41,7 @@ static bool nowayout = WATCHDOG_NOWAYOUT; static int heartbeat = -1; /* module parameter (seconds) */ static unsigned int wdt_max_duration; /* (seconds) */ +static struct clk *clk; static unsigned int wdt_tclk; static void __iomem *wdt_reg; static unsigned long wdt_status; @@ -237,16 +238,16 @@ static struct miscdevice orion_wdt_miscdev = { static int __devinit orion_wdt_probe(struct platform_device *pdev) { - struct orion_wdt_platform_data *pdata = pdev->dev.platform_data; struct resource *res; int ret; - if (pdata) { - wdt_tclk = pdata->tclk; - } else { - pr_err("misses platform data\n"); + clk = clk_get(&pdev->dev, NULL); + if (IS_ERR(clk)) { + printk(KERN_ERR "Orion Watchdog missing clock\n"); return -ENODEV; } + clk_prepare_enable(clk); + wdt_tclk = clk_get_rate(clk); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -282,6 +283,9 @@ static int __devexit orion_wdt_remove(struct platform_device *pdev) if (!ret) orion_wdt_miscdev.parent = NULL; + clk_disable_unprepare(clk); + clk_put(clk); + return ret; }