Messages in this thread Patch in this message | | | Date | Wed, 5 Dec 2018 23:38:25 +0100 | From | Sebastian Reichel <> | Subject | Re: [PATCH 3/4] power: reset: at91-poweroff: check shdwc data structure at the beginning of probe |
| |
Hi,
On Mon, Nov 05, 2018 at 11:14:28AM +0000, Claudiu.Beznea@microchip.com wrote: > Check at91_shdwc before continuing with probe since we want only one instance of > this driver. Inspired from commit 9f1e44774be5 ("power: reset: at91-poweroff: > do not procede if at91_shdwc is allocated"). > > Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> > ---
This depends on patch 2, so I skipped this one.
-- Sebastian
> drivers/power/reset/at91-poweroff.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/power/reset/at91-poweroff.c b/drivers/power/reset/at91-poweroff.c > index 48661e04a3de..e75d8f0f0526 100644 > --- a/drivers/power/reset/at91-poweroff.c > +++ b/drivers/power/reset/at91-poweroff.c > @@ -160,6 +160,9 @@ static int __init at91_poweroff_probe(struct platform_device *pdev) > u32 ddr_type; > int ret; > > + if (at91_shdwc) > + return -EBUSY; > + > at91_shdwc = devm_kzalloc(&pdev->dev, sizeof(*at91_shdwc), GFP_KERNEL); > if (!at91_shdwc) > return -ENOMEM; > -- > 2.7.4 > [unhandled content-type:application/pgp-signature] | |