On 11/07/2013 06:59 PM, Arend van Spriel wrote:
> When the host->tuning_count is zero it means that the
If the tuning_count is zero, then the retuning timer shouldn't be
started in the first place and not possible to run code there. Or is the
tuning_count dynamically changed?
Thanks,
Aaron
> retuning is disabled. Doing a mod_timer() with a zero
> tuning_count does something else.
>
> Signed-off-by: Arend van Spriel <arend@xxxxxxxxxxxx>
> ---
> drivers/mmc/host/sdhci.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index 7a7fb4f..9803e7a 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -2007,7 +2007,8 @@ out:
> } else {
> host->flags &= ~SDHCI_NEEDS_RETUNING;
> /* Reload the new initial value for timer */
> - if (host->tuning_mode == SDHCI_TUNING_MODE_1)
> + if (host->tuning_count &&
> + host->tuning_mode == SDHCI_TUNING_MODE_1)
> mod_timer(&host->tuning_timer, jiffies +
> host->tuning_count * HZ);
> }
>
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