This patch adds the of_match_table to enable DT support
of Loongson-1 watchdog driver.
And modify the parameter of devm_clk_get_enabled() accordingly.
Signed-off-by: Keguang Zhang <keguang.zhang@xxxxxxxxx>
---
V1 -> V2: Change the wildcard compatible string to specific ones
Use of_match_ptr() to aviod the build error when CONFIG_OF=n
---
drivers/watchdog/loongson1_wdt.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/watchdog/loongson1_wdt.c b/drivers/watchdog/loongson1_wdt.c
index 3c651c50a98c..4ac7810a314d 100644
--- a/drivers/watchdog/loongson1_wdt.c
+++ b/drivers/watchdog/loongson1_wdt.c
@@ -5,6 +5,7 @@
#include <linux/clk.h>
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/watchdog.h>
@@ -112,7 +113,7 @@ static int ls1x_wdt_probe(struct platform_device *pdev)
if (IS_ERR(drvdata->base))
return PTR_ERR(drvdata->base);
- drvdata->clk = devm_clk_get_enabled(dev, pdev->name);
+ drvdata->clk = devm_clk_get_enabled(dev, NULL);
if (IS_ERR(drvdata->clk))
return PTR_ERR(drvdata->clk);
@@ -144,10 +145,20 @@ static int ls1x_wdt_probe(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_OF
+static const struct of_device_id ls1x_wdt_dt_ids[] = {
+ { .compatible = "loongson,ls1b-wdt", },
+ { .compatible = "loongson,ls1c-wdt", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, ls1x_wdt_dt_ids);
+#endif
+
static struct platform_driver ls1x_wdt_driver = {
.probe = ls1x_wdt_probe,
.driver = {
.name = "ls1x-wdt",
+ .of_match_table = of_match_ptr(ls1x_wdt_dt_ids),
},
};
--
2.39.2
