提交 e8ef92b8 编写于 作者: B Ben Dooks 提交者: Wim Van Sebroeck

[WATCHDOG] change s3c2410_wdt to using dev_() macros for output

Move to using dev_info(), dev_dbg() and dev_err() for
reporting information from the driver.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>
上级 46b814d6
...@@ -92,6 +92,7 @@ typedef enum close_state { ...@@ -92,6 +92,7 @@ typedef enum close_state {
static DECLARE_MUTEX(open_lock); static DECLARE_MUTEX(open_lock);
static struct device *wdt_dev; /* platform device attached to */
static struct resource *wdt_mem; static struct resource *wdt_mem;
static struct resource *wdt_irq; static struct resource *wdt_irq;
static struct clk *wdt_clock; static struct clk *wdt_clock;
...@@ -180,7 +181,7 @@ static int s3c2410wdt_set_heartbeat(int timeout) ...@@ -180,7 +181,7 @@ static int s3c2410wdt_set_heartbeat(int timeout)
} }
if ((count / divisor) >= 0x10000) { if ((count / divisor) >= 0x10000) {
printk(KERN_ERR PFX "timeout %d too big\n", timeout); dev_err(wdt_dev, "timeout %d too big\n", timeout);
return -EINVAL; return -EINVAL;
} }
} }
...@@ -233,7 +234,7 @@ static int s3c2410wdt_release(struct inode *inode, struct file *file) ...@@ -233,7 +234,7 @@ static int s3c2410wdt_release(struct inode *inode, struct file *file)
if (allow_close == CLOSE_STATE_ALLOW) { if (allow_close == CLOSE_STATE_ALLOW) {
s3c2410wdt_stop(); s3c2410wdt_stop();
} else { } else {
printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n"); dev_err(wdt_dev, "Unexpected close, not stopping watchdog\n");
s3c2410wdt_keepalive(); s3c2410wdt_keepalive();
} }
...@@ -338,7 +339,7 @@ static struct miscdevice s3c2410wdt_miscdev = { ...@@ -338,7 +339,7 @@ static struct miscdevice s3c2410wdt_miscdev = {
static irqreturn_t s3c2410wdt_irq(int irqno, void *param) static irqreturn_t s3c2410wdt_irq(int irqno, void *param)
{ {
printk(KERN_INFO PFX "Watchdog timer expired!\n"); dev_info(wdt_dev, "watchdog timer expired (irq)\n");
s3c2410wdt_keepalive(); s3c2410wdt_keepalive();
return IRQ_HANDLED; return IRQ_HANDLED;
...@@ -348,6 +349,7 @@ static irqreturn_t s3c2410wdt_irq(int irqno, void *param) ...@@ -348,6 +349,7 @@ static irqreturn_t s3c2410wdt_irq(int irqno, void *param)
static int s3c2410wdt_probe(struct platform_device *pdev) static int s3c2410wdt_probe(struct platform_device *pdev)
{ {
struct resource *res; struct resource *res;
struct device *dev;
unsigned int wtcon; unsigned int wtcon;
int started = 0; int started = 0;
int ret; int ret;
...@@ -355,25 +357,28 @@ static int s3c2410wdt_probe(struct platform_device *pdev) ...@@ -355,25 +357,28 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
DBG("%s: probe=%p\n", __FUNCTION__, pdev); DBG("%s: probe=%p\n", __FUNCTION__, pdev);
dev = &pdev->dev;
wdt_dev = &pdev->dev;
/* get the memory region for the watchdog timer */ /* get the memory region for the watchdog timer */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0); res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) { if (res == NULL) {
printk(KERN_INFO PFX "failed to get memory region resouce\n"); dev_err(dev, "no memory resource specified\n");
return -ENOENT; return -ENOENT;
} }
size = (res->end-res->start)+1; size = (res->end-res->start)+1;
wdt_mem = request_mem_region(res->start, size, pdev->name); wdt_mem = request_mem_region(res->start, size, pdev->name);
if (wdt_mem == NULL) { if (wdt_mem == NULL) {
printk(KERN_INFO PFX "failed to get memory region\n"); dev_err(dev, "failed to get memory region\n");
ret = -ENOENT; ret = -ENOENT;
goto err_req; goto err_req;
} }
wdt_base = ioremap(res->start, size); wdt_base = ioremap(res->start, size);
if (wdt_base == 0) { if (wdt_base == 0) {
printk(KERN_INFO PFX "failed to ioremap() region\n"); dev_err(dev, "failed to ioremap() region\n");
ret = -EINVAL; ret = -EINVAL;
goto err_req; goto err_req;
} }
...@@ -382,20 +387,20 @@ static int s3c2410wdt_probe(struct platform_device *pdev) ...@@ -382,20 +387,20 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
wdt_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); wdt_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (wdt_irq == NULL) { if (wdt_irq == NULL) {
printk(KERN_INFO PFX "failed to get irq resource\n"); dev_err(dev, "no irq resource specified\n");
ret = -ENOENT; ret = -ENOENT;
goto err_map; goto err_map;
} }
ret = request_irq(wdt_irq->start, s3c2410wdt_irq, 0, pdev->name, pdev); ret = request_irq(wdt_irq->start, s3c2410wdt_irq, 0, pdev->name, pdev);
if (ret != 0) { if (ret != 0) {
printk(KERN_INFO PFX "failed to install irq (%d)\n", ret); dev_err(dev, "failed to install irq (%d)\n", ret);
goto err_map; goto err_map;
} }
wdt_clock = clk_get(&pdev->dev, "watchdog"); wdt_clock = clk_get(&pdev->dev, "watchdog");
if (IS_ERR(wdt_clock)) { if (IS_ERR(wdt_clock)) {
printk(KERN_INFO PFX "failed to find watchdog clock source\n"); dev_err(dev, "failed to find watchdog clock source\n");
ret = PTR_ERR(wdt_clock); ret = PTR_ERR(wdt_clock);
goto err_irq; goto err_irq;
} }
...@@ -409,22 +414,22 @@ static int s3c2410wdt_probe(struct platform_device *pdev) ...@@ -409,22 +414,22 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
started = s3c2410wdt_set_heartbeat(CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME); started = s3c2410wdt_set_heartbeat(CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME);
if (started == 0) { if (started == 0) {
printk(KERN_INFO PFX "tmr_margin value out of range, default %d used\n", dev_info(dev,"tmr_margin value out of range, default %d used\n",
CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME); CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME);
} else { } else {
printk(KERN_INFO PFX "default timer value is out of range, cannot start\n"); dev_info(dev, "default timer value is out of range, cannot start\n");
} }
} }
ret = misc_register(&s3c2410wdt_miscdev); ret = misc_register(&s3c2410wdt_miscdev);
if (ret) { if (ret) {
printk (KERN_ERR PFX "cannot register miscdev on minor=%d (%d)\n", dev_err(dev, "cannot register miscdev on minor=%d (%d)\n",
WATCHDOG_MINOR, ret); WATCHDOG_MINOR, ret);
goto err_clk; goto err_clk;
} }
if (tmr_atboot && started == 0) { if (tmr_atboot && started == 0) {
printk(KERN_INFO PFX "Starting Watchdog Timer\n"); dev_info(dev, "starting watchdog timer\n");
s3c2410wdt_start(); s3c2410wdt_start();
} else if (!tmr_atboot) { } else if (!tmr_atboot) {
/* if we're not enabling the watchdog, then ensure it is /* if we're not enabling the watchdog, then ensure it is
...@@ -438,12 +443,11 @@ static int s3c2410wdt_probe(struct platform_device *pdev) ...@@ -438,12 +443,11 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
wtcon = readl(wdt_base + S3C2410_WTCON); wtcon = readl(wdt_base + S3C2410_WTCON);
dev_info(&pdev->dev, dev_info(dev, "watchdog %sactive, reset %sabled, irq %sabled\n",
"watchdog %sactive, reset %sabled, irq %sabled\n",
(wtcon & S3C2410_WTCON_ENABLE) ? "" : "in", (wtcon & S3C2410_WTCON_ENABLE) ? "" : "in",
(wtcon & S3C2410_WTCON_RSTEN) ? "" : "dis", (wtcon & S3C2410_WTCON_RSTEN) ? "" : "dis",
(wtcon & S3C2410_WTCON_INTEN) ? "" : "en"); (wtcon & S3C2410_WTCON_INTEN) ? "" : "en");
return 0; return 0;
err_clk: err_clk:
......
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