[PATCH] clk: Add more information to debug messages

[Sean Anderson]

Some of the debug messages in the clock subsystem can be made more
informative by adding the clock name or adding the explicit error.

Signed-off-by: Sean Anderson <sean...@gmail.com>
---

 drivers/clk/clk-uclass.c | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)

diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c
index 71878474eb..d44df05680 100644
--- a/drivers/clk/clk-uclass.c
+++ b/drivers/clk/clk-uclass.c
@@ -237,8 +237,8 @@ static int clk_set_default_parents(struct udevice *dev, int 
stage)
                        continue;
 
                if (ret < 0) {
-                       debug("%s: failed to reparent clock %d for %s\n",
-                             __func__, index, dev_read_name(dev));
+                       debug("%s: failed to reparent clock %d for %s (err = 
%d)\n",
+                             __func__, index, dev_read_name(dev), ret);
                        return ret;
                }
        }
@@ -295,8 +295,8 @@ static int clk_set_default_rates(struct udevice *dev, int 
stage)
                ret = clk_set_rate(&clk, rates[index]);
 
                if (ret < 0) {
-                       debug("%s: failed to set rate on clock index %d (%ld) 
for %s\n",
-                             __func__, index, clk.id, dev_read_name(dev));
+                       debug("%s: failed to set rate on clock index %d (%ld) 
for %s (err = %d)\n",
+                             __func__, index, clk.id, dev_read_name(dev), ret);
                        break;
                }
        }
@@ -436,7 +436,7 @@ ulong clk_get_rate(struct clk *clk)
 {
        const struct clk_ops *ops;
 
-       debug("%s(clk=%p)\n", __func__, clk);
+       debug("%s(clk=%p \"%s\")\n", __func__, clk, clk->dev->name);
        if (!clk_valid(clk))
                return 0;
        ops = clk_dev_ops(clk->dev);
@@ -452,7 +452,7 @@ struct clk *clk_get_parent(struct clk *clk)
        struct udevice *pdev;
        struct clk *pclk;
 
-       debug("%s(clk=%p)\n", __func__, clk);
+       debug("%s(clk=%p) \"%s\"\n", __func__, clk, clk->dev->name);
        if (!clk_valid(clk))
                return NULL;
 
@@ -469,7 +469,7 @@ long long clk_get_parent_rate(struct clk *clk)
        const struct clk_ops *ops;
        struct clk *pclk;
 
-       debug("%s(clk=%p)\n", __func__, clk);
+       debug("%s(clk=%p \"%s\")\n", __func__, clk, clk->dev->name);
        if (!clk_valid(clk))
                return 0;
 
@@ -492,7 +492,8 @@ ulong clk_set_rate(struct clk *clk, ulong rate)
 {
        const struct clk_ops *ops;
 
-       debug("%s(clk=%p, rate=%lu)\n", __func__, clk, rate);
+       debug("%s(clk=%p \"%s\", rate=%lu)\n", __func__, clk, clk->dev->name,
+             rate);
        if (!clk_valid(clk))
                return 0;
        ops = clk_dev_ops(clk->dev);
@@ -507,7 +508,8 @@ int clk_set_parent(struct clk *clk, struct clk *parent)
 {
        const struct clk_ops *ops;
 
-       debug("%s(clk=%p, parent=%p)\n", __func__, clk, parent);
+       debug("%s(clk=%p \"%s\", parent=%p \"%s\")\n", __func__, clk,
+             clk->dev->name, parent, parent->dev->name);
        if (!clk_valid(clk))
                return 0;
        ops = clk_dev_ops(clk->dev);
@@ -524,7 +526,7 @@ int clk_enable(struct clk *clk)
        struct clk *clkp = NULL;
        int ret;
 
-       debug("%s(clk=%p)\n", __func__, clk);
+       debug("%s(clk=%p \"%s\")\n", __func__, clk, clk->dev->name);
        if (!clk_valid(clk))
                return 0;
        ops = clk_dev_ops(clk->dev);
@@ -584,7 +586,7 @@ int clk_disable(struct clk *clk)
        struct clk *clkp = NULL;
        int ret;
 
-       debug("%s(clk=%p)\n", __func__, clk);
+       debug("%s(clk=%p) \"%s\"\n", __func__, clk, clk->dev->name);
        if (!clk_valid(clk))
                return 0;
        ops = clk_dev_ops(clk->dev);
-- 
2.25.1