[U-Boot] [PATCH] dm: clk: Remove simple version of clk_get_by_index()

Michal Simek michal.simek at xilinx.com
Thu Jul 14 13:24:53 CEST 2016


Simple version of clk_get_by_index() added by:
"dm: clk: Add a simple version of clk_get_by_index()"
(sha1: a4b10c088c4f6ef2e2bba33e8cfea369bcbbce44)
is not sufficient if you use multiple clocks in the system
because clk->id is phandle id which for example fixed-clock
is not able to handle. Use the same implementation as is used
in full version.

Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---

Diff for ZynqMP is 773 B based on buildman.
---
 drivers/clk/clk-uclass.c | 55 ++++++++++++++++--------------------------------
 1 file changed, 18 insertions(+), 37 deletions(-)

diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c
index 6e4d67220a16..c6c5ba2f2511 100644
--- a/drivers/clk/clk-uclass.c
+++ b/drivers/clk/clk-uclass.c
@@ -21,30 +21,29 @@ static inline struct clk_ops *clk_dev_ops(struct udevice *dev)
 
 #if CONFIG_IS_ENABLED(OF_CONTROL)
 #ifdef CONFIG_SPL_BUILD
-int clk_get_by_index(struct udevice *dev, int index, struct clk *clk)
-{
-	int ret;
-	u32 cell[2];
-
-	if (index != 0)
-		return -ENOSYS;
-	assert(clk);
-	ret = uclass_get_device(UCLASS_CLK, 0, &clk->dev);
-	if (ret)
-		return ret;
-	ret = fdtdec_get_int_array(gd->fdt_blob, dev->of_offset, "clocks",
-				   cell, 2);
-	if (ret)
-		return ret;
-	clk->id = cell[1];
-	return 0;
-}
-
 int clk_get_by_name(struct udevice *dev, const char *name, struct clk *clk)
 {
 	return -ENOSYS;
 }
 #else
+int clk_get_by_name(struct udevice *dev, const char *name, struct clk *clk)
+{
+	int index;
+
+	debug("%s(dev=%p, name=%s, clk=%p)\n", __func__, dev, name, clk);
+
+	index = fdt_find_string(gd->fdt_blob, dev->of_offset, "clock-names",
+				name);
+	if (index < 0) {
+		debug("fdt_find_string() failed: %d\n", index);
+		return index;
+	}
+
+	return clk_get_by_index(dev, index, clk);
+}
+#endif
+#endif
+
 static int clk_of_xlate_default(struct clk *clk,
 				struct fdtdec_phandle_args *args)
 {
@@ -102,24 +101,6 @@ int clk_get_by_index(struct udevice *dev, int index, struct clk *clk)
 	return clk_request(dev_clk, clk);
 }
 
-int clk_get_by_name(struct udevice *dev, const char *name, struct clk *clk)
-{
-	int index;
-
-	debug("%s(dev=%p, name=%s, clk=%p)\n", __func__, dev, name, clk);
-
-	index = fdt_find_string(gd->fdt_blob, dev->of_offset, "clock-names",
-				name);
-	if (index < 0) {
-		debug("fdt_find_string() failed: %d\n", index);
-		return index;
-	}
-
-	return clk_get_by_index(dev, index, clk);
-}
-#endif
-#endif
-
 int clk_request(struct udevice *dev, struct clk *clk)
 {
 	struct clk_ops *ops = clk_dev_ops(dev);
-- 
1.9.1



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