NULL check on clocks obtained using common clock APIs should not
be done. Use IS_ERR only.
Signed-off-by: Sachin Kamat <sachin.ka...@linaro.org>
---
Based on for-next branch of
git://linuxtv.org/snawrocki/samsung.git
Changes since v3:
Renamed the function and changed the prototype of {hdmi,mxr}_reset_clocks
as suggested by Sylwester.
---
drivers/media/platform/s5p-tv/hdmi_drv.c | 23 +++++++++++++++++------
1 file changed, 17 insertions(+), 6 deletions(-)
diff --git a/drivers/media/platform/s5p-tv/hdmi_drv.c
b/drivers/media/platform/s5p-tv/hdmi_drv.c
index 4e86626..cd525f1 100644
--- a/drivers/media/platform/s5p-tv/hdmi_drv.c
+++ b/drivers/media/platform/s5p-tv/hdmi_drv.c
@@ -755,6 +755,15 @@ static const struct dev_pm_ops hdmi_pm_ops = {
.runtime_resume = hdmi_runtime_resume,
};
+static void hdmi_resource_clear_clocks(struct hdmi_resources *res)
+{
+ res->hdmi = ERR_PTR(-EINVAL);
+ res->sclk_hdmi = ERR_PTR(-EINVAL);
+ res->sclk_pixel = ERR_PTR(-EINVAL);
+ res->sclk_hdmiphy = ERR_PTR(-EINVAL);
+ res->hdmiphy = ERR_PTR(-EINVAL);
+}
+
static void hdmi_resources_cleanup(struct hdmi_device *hdev)
{
struct hdmi_resources *res = &hdev->res;
@@ -765,17 +774,18 @@ static void hdmi_resources_cleanup(struct hdmi_device
*hdev)
regulator_bulk_free(res->regul_count, res->regul_bulk);
/* kfree is NULL-safe */
kfree(res->regul_bulk);
- if (!IS_ERR_OR_NULL(res->hdmiphy))
+ if (!IS_ERR(res->hdmiphy))
clk_put(res->hdmiphy);
- if (!IS_ERR_OR_NULL(res->sclk_hdmiphy))
+ if (!IS_ERR(res->sclk_hdmiphy))
clk_put(res->sclk_hdmiphy);
- if (!IS_ERR_OR_NULL(res->sclk_pixel))
+ if (!IS_ERR(res->sclk_pixel))
clk_put(res->sclk_pixel);
- if (!IS_ERR_OR_NULL(res->sclk_hdmi))
+ if (!IS_ERR(res->sclk_hdmi))
clk_put(res->sclk_hdmi);
- if (!IS_ERR_OR_NULL(res->hdmi))
+ if (!IS_ERR(res->hdmi))
clk_put(res->hdmi);
memset(res, 0, sizeof(*res));
+ hdmi_resource_clear_clocks(res);
}
static int hdmi_resources_init(struct hdmi_device *hdev)
@@ -793,8 +803,9 @@ static int hdmi_resources_init(struct hdmi_device *hdev)
dev_dbg(dev, "HDMI resource init\n");
memset(res, 0, sizeof(*res));
- /* get clocks, power */
+ hdmi_resource_clear_clocks(res);
+ /* get clocks, power */
res->hdmi = clk_get(dev, "hdmi");
if (IS_ERR(res->hdmi)) {
dev_err(dev, "failed to get clock 'hdmi'\n");
--
1.7.9.5
--
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