Hi,
On Mon, Nov 05, 2018 at 11:14:28AM +0000, claudiu.bez...@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.bez...@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 >
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