Re: [PATCH] wan: time_before()

From: Joe Perches
Date: Sun May 25 2014 - 13:59:09 EST


On Sun, 2014-05-25 at 19:32 +0200, Manuel Schölling wrote:
> To be future-proof and for better readability the time comparisons are
> modified to use time_before() instead of plain, error-prone math.

Sensible change, but it seems these should be
udelay(some_constant) instead of a a rather
variable time wait based on a system/config
defined jiffies.

Kevin?

> diff --git a/drivers/net/wan/farsync.c b/drivers/net/wan/farsync.c
[]
> @@ -697,14 +697,14 @@ fst_cpureset(struct fst_card_info *card)
> * We are delaying here to allow the 9054 to reset itself
> */
> j = jiffies + 1;
> - while (jiffies < j)
> + while (time_before(jiffies, j))
> /* Do nothing */ ;
> outw(0x240f, card->pci_conf + CNTRL_9054 + 2);
> /*
> * We are delaying here to allow the 9054 to reload its eeprom
> */
> j = jiffies + 1;
> - while (jiffies < j)
> + while (time_before(jiffies, j))
> /* Do nothing */ ;
> outw(0x040f, card->pci_conf + CNTRL_9054 + 2);
>



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/