[PATCH] clk: Add more information to debug messages

[Lukasz Majewski]

On Fri, 20 Mar 2020 01:53:16 -0400
Sean Anderson <seanga2 at gmail.com> wrote:

> 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 <seanga2 at 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);

Acked-by: Lukasz Majewski <lukma at denx.de>


Best regards,

Lukasz Majewski

--

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