[U-Boot] [PATCH 07/16] timer: Support tracing fully
Bin Meng
bmeng.cn at gmail.com
Tue Feb 16 10:21:39 CET 2016
Hi Simon,
On Mon, Feb 15, 2016 at 9:36 AM, Simon Glass <sjg at chromium.org> wrote:
> A few of the functions in the timer uclass are not marked with 'notrace'. Fix
> this so that tracing can be used with CONFIG_TRACE.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
> drivers/timer/timer-uclass.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/timer/timer-uclass.c b/drivers/timer/timer-uclass.c
> index 83d1a35..382c0f2 100644
> --- a/drivers/timer/timer-uclass.c
> +++ b/drivers/timer/timer-uclass.c
> @@ -22,7 +22,7 @@ DECLARE_GLOBAL_DATA_PTR;
> * tick, and no timer interrupt.
> */
>
> -int timer_get_count(struct udevice *dev, u64 *count)
> +int notrace timer_get_count(struct udevice *dev, u64 *count)
> {
> const struct timer_ops *ops = device_get_ops(dev);
>
> @@ -32,9 +32,9 @@ int timer_get_count(struct udevice *dev, u64 *count)
> return ops->get_count(dev, count);
Besides making timer_get_count() and timer_get_rate() APIs notrace,
does it help to make the timer uclass ops notrace as well?
> }
>
> -unsigned long timer_get_rate(struct udevice *dev)
> +unsigned long notrace timer_get_rate(struct udevice *dev)
> {
> - struct timer_dev_priv *uc_priv = dev_get_uclass_priv(dev);
> + struct timer_dev_priv *uc_priv = dev->uclass_priv;
Why is this change needed?
>
> return uc_priv->clock_rate;
> }
> --
Regards,
Bin
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