| Message ID | 1541416443-4321-4-git-send-email-claudiu.beznea@microchip.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | power: reset: at91-poweroff: cleanups | expand |
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 >
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;
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> --- drivers/power/reset/at91-poweroff.c | 3 +++ 1 file changed, 3 insertions(+)