Re: [PATCH 5/8] rsxx: Adding in sync_start module paramenter.

From: Andy Shevchenko
Date: Wed May 29 2013 - 14:23:25 EST


On Wed, May 29, 2013 at 12:12 AM, Philip J. Kelleher
<pjk1939@xxxxxxxxxxxxxxxxxx> wrote:
> From: Philip J Kelleher <pjk1939@xxxxxxxxxxxxxxxxxx>
>
> Adding a module parameter called 'sync_start' to wait for
> the card to fully up and running before driver load is
> complete.


> +++ linux-block/drivers/block/rsxx/core.c 2013-05-02 17:32:20.341185588 -0500
> @@ -41,6 +41,8 @@
> #include "rsxx_cfg.h"
>
> #define NO_LEGACY 0
> +#define NO_SYNC_START 0
> +#define SYNC_START_TIMEOUT (10 * 60) /* 10 minutes */

10 minutes is indefinite time. May be you have to load timer and
create device only after successfull initialization of the device?

> @@ -874,6 +882,33 @@ static int rsxx_pci_probe(struct pci_dev
> if (st)
> dev_crit(CARD_TO_DEV(card),
> "Failed issuing card startup\n");
> + if (sync_start) {
> + sync_timeout = SYNC_START_TIMEOUT;
> +
> + dev_info(CARD_TO_DEV(card),
> + "Waiting for card to startup\n");
> +
> + do {
> + ssleep(1);

Why not timers?

--
With Best Regards,
Andy Shevchenko
--
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/