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authorAlex Deucher <alexander.deucher@amd.com>2019-08-09 13:07:28 -0500
committerAlex Deucher <alexander.deucher@amd.com>2019-08-09 13:07:28 -0500
commit3f61fd41f38328f0a585eaba2d72d339fe9aecda (patch)
tree4a6fe7dc98a44dec003833a7fa440daa6c304a28 /drivers/clk/clk-bulk.c
parent6ca523d7eb198b78f79df882b7dc4a8c795d8777 (diff)
parente21a712a9685488f5ce80495b37b9fdbe96c230d (diff)
Merge tag 'v5.3-rc3' into drm-next-5.4
Linux 5.3-rc3 Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/clk/clk-bulk.c')
-rw-r--r--drivers/clk/clk-bulk.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/clk/clk-bulk.c b/drivers/clk/clk-bulk.c
index 06499568cf07..524bf9a53098 100644
--- a/drivers/clk/clk-bulk.c
+++ b/drivers/clk/clk-bulk.c
@@ -75,8 +75,8 @@ void clk_bulk_put(int num_clks, struct clk_bulk_data *clks)
}
EXPORT_SYMBOL_GPL(clk_bulk_put);
-int __must_check clk_bulk_get(struct device *dev, int num_clks,
- struct clk_bulk_data *clks)
+static int __clk_bulk_get(struct device *dev, int num_clks,
+ struct clk_bulk_data *clks, bool optional)
{
int ret;
int i;
@@ -88,10 +88,14 @@ int __must_check clk_bulk_get(struct device *dev, int num_clks,
clks[i].clk = clk_get(dev, clks[i].id);
if (IS_ERR(clks[i].clk)) {
ret = PTR_ERR(clks[i].clk);
+ clks[i].clk = NULL;
+
+ if (ret == -ENOENT && optional)
+ continue;
+
if (ret != -EPROBE_DEFER)
dev_err(dev, "Failed to get clk '%s': %d\n",
clks[i].id, ret);
- clks[i].clk = NULL;
goto err;
}
}
@@ -103,8 +107,21 @@ err:
return ret;
}
+
+int __must_check clk_bulk_get(struct device *dev, int num_clks,
+ struct clk_bulk_data *clks)
+{
+ return __clk_bulk_get(dev, num_clks, clks, false);
+}
EXPORT_SYMBOL(clk_bulk_get);
+int __must_check clk_bulk_get_optional(struct device *dev, int num_clks,
+ struct clk_bulk_data *clks)
+{
+ return __clk_bulk_get(dev, num_clks, clks, true);
+}
+EXPORT_SYMBOL_GPL(clk_bulk_get_optional);
+
void clk_bulk_put_all(int num_clks, struct clk_bulk_data *clks)
{
if (IS_ERR_OR_NULL(clks))