[PATCH 2/6] pcmcia: move unbind/rebind into dev_pm_ops.complete
Dominik Brodowski
linux at dominikbrodowski.net
Sat Mar 3 17:01:17 EST 2012
This is patch 2/6 of which series? Does this depend upon other patches which
are not yet in mainline?
Best,
Dominik
On Sat, Mar 03, 2012 at 09:11:29PM +0100, Christian Lamparter wrote:
> The idea of moving rebind procedure into pm.complete
> was taken from the usb-subsystem, which has similar
> problems with reattaching devices during/after
> resume.
>
> Signed-off-by: Christian Lamparter <chunkeey at googlemail.com>
> ---
> Note: I'm not on the list; please keep the 'CC' if you have
> something to say :).
>
> Regards,
> Chr
> ---
> drivers/pcmcia/cs.c | 22 ++++++++++++++++++----
> 1 files changed, 18 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
> index d9ea192..503596f 100644
> --- a/drivers/pcmcia/cs.c
> +++ b/drivers/pcmcia/cs.c
> @@ -512,6 +512,13 @@ static int socket_late_resume(struct pcmcia_socket *skt)
> return socket_insert(skt);
> }
>
> + if (!(skt->state & SOCKET_CARDBUS) && (skt->callback))
> + skt->callback->early_resume(skt);
> + return 0;
> +}
> +
> +static int socket_complete_resume(struct pcmcia_socket *skt)
> +{
> #ifdef CONFIG_CARDBUS
> if (skt->state & SOCKET_CARDBUS) {
> /* We can't be sure the CardBus card is the same
> @@ -519,11 +526,8 @@ static int socket_late_resume(struct pcmcia_socket *skt)
> * and re-add... */
> cb_free(skt);
> cb_alloc(skt);
> - return 0;
> }
> #endif
> - if (!(skt->state & SOCKET_CARDBUS) && (skt->callback))
> - skt->callback->early_resume(skt);
> return 0;
> }
>
> @@ -534,11 +538,15 @@ static int socket_late_resume(struct pcmcia_socket *skt)
> */
> static int socket_resume(struct pcmcia_socket *skt)
> {
> + int err;
> if (!(skt->state & SOCKET_SUSPEND))
> return -EBUSY;
>
> socket_early_resume(skt);
> - return socket_late_resume(skt);
> + err = socket_late_resume(skt);
> + if (!err)
> + socket_complete_resume(skt);
> + return err;
> }
>
> static void socket_remove(struct pcmcia_socket *skt)
> @@ -849,6 +857,11 @@ static int __used pcmcia_socket_dev_resume(struct device *dev)
> return __pcmcia_pm_op(dev, socket_late_resume);
> }
>
> +static void __used pcmcia_socket_dev_complete(struct device *dev)
> +{
> + __pcmcia_pm_op(dev, socket_complete_resume);
> +}
> +
> static const struct dev_pm_ops pcmcia_socket_pm_ops = {
> /* dev_resume may be called with IRQs enabled */
> SET_SYSTEM_SLEEP_PM_OPS(NULL,
> @@ -863,6 +876,7 @@ static const struct dev_pm_ops pcmcia_socket_pm_ops = {
> .resume_noirq = pcmcia_socket_dev_resume_noirq,
> .thaw_noirq = pcmcia_socket_dev_resume_noirq,
> .restore_noirq = pcmcia_socket_dev_resume_noirq,
> + .complete = pcmcia_socket_dev_complete,
> };
>
> #define PCMCIA_SOCKET_CLASS_PM_OPS (&pcmcia_socket_pm_ops)
> --
> 1.7.9.1
>
> --
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