@@ -11,7 +11,6 @@
* warranty of any kind, whether express or implied.
*/
-#include <linux/acpi.h>
#include <linux/device.h>
#include <linux/resource.h>
#include <linux/amba/bus.h>
@@ -23,8 +22,8 @@
#include <linux/math64.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
-#include <linux/of.h>
#include <linux/pm.h>
+#include <linux/property.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/types.h>
@@ -231,6 +230,7 @@ static int
sp805_wdt_probe(struct amba_device *adev, const struct amba_id *id)
{
struct sp805_wdt *wdt;
+ u64 rate = 0;
int ret = 0;
wdt = devm_kzalloc(&adev->dev, sizeof(*wdt), GFP_KERNEL);
@@ -243,25 +243,23 @@ sp805_wdt_probe(struct amba_device *adev, const struct amba_id *id)
if (IS_ERR(wdt->base))
return PTR_ERR(wdt->base);
- if (adev->dev.of_node) {
- wdt->clk = devm_clk_get(&adev->dev, NULL);
- if (IS_ERR(wdt->clk)) {
- dev_err(&adev->dev, "Clock not found\n");
- return PTR_ERR(wdt->clk);
- }
- wdt->rate = clk_get_rate(wdt->clk);
- } else if (has_acpi_companion(&adev->dev)) {
- /*
- * When Driver probe with ACPI device, clock devices
- * are not available, so watchdog rate get from
- * clock-frequency property given in _DSD object.
- */
- device_property_read_u64(&adev->dev, "clock-frequency",
- &wdt->rate);
- if (!wdt->rate) {
- dev_err(&adev->dev, "no clock-frequency property\n");
- return -ENODEV;
- }
+ /*
+ * When driver probe with ACPI device, clock devices
+ * are not available, so watchdog rate get from
+ * clock-frequency property given in _DSD object.
+ */
+ device_property_read_u64(&adev->dev, "clock-frequency", &rate);
+
+ wdt->clk = devm_clk_get_optional(&adev->dev, NULL);
+ if (IS_ERR(wdt->clk))
+ return dev_err_probe(&adev->dev, PTR_ERR(wdt->clk), "Clock not found\n");
+
+ wdt->rate = clk_get_rate(wdt->clk);
+ if (!wdt->rate)
+ wdt->rate = rate;
+ if (!wdt->rate) {
+ dev_err(&adev->dev, "no clock-frequency property\n");
+ return -ENODEV;
}
wdt->adev = adev;
Replace open coded variants of devm_clk_get_optional(). While at it, drop unneeded OF and ACPI dependency as the APIs in use are provider agnostic. Cc: Srinath Mannam <srinath.mannam@broadcom.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/watchdog/sp805_wdt.c | 40 +++++++++++++++++------------------- 1 file changed, 19 insertions(+), 21 deletions(-)