linux-kernel - RE: [PATCH 5/7] dwc2: remove redundant D0 power state set

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Message-ID: <A2CA0424C0A6F04399FB9E1CD98E030458DCB38A@US01WEMBX2.internal.synopsys.com>
Date:	Thu, 30 May 2013 18:18:22 +0000
From:	Paul Zimmerman <Paul.Zimmerman@...opsys.com>
To:	Yijing Wang <wangyijing@...wei.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
	Hanjun Guo <guohanjun@...wei.com>, Jiang Liu <liuj97@...il.com>
Subject: RE: [PATCH 5/7] dwc2: remove redundant D0 power state set

> From: Yijing Wang [mailto:wangyijing@...wei.com]
> Sent: Thursday, May 30, 2013 3:24 AM
> 
> Pci_enable_device() will set device power state to D0,
> so it's no need to do it again in dwc2_driver_probe().
> 
> Signed-off-by: Yijing Wang <wangyijing@...wei.com>
> ---
>  drivers/staging/dwc2/pci.c |    2 --
>  1 files changed, 0 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/dwc2/pci.c b/drivers/staging/dwc2/pci.c
> index 69c65eb..6a196c2 100644
> --- a/drivers/staging/dwc2/pci.c
> +++ b/drivers/staging/dwc2/pci.c
> @@ -131,8 +131,6 @@ static int dwc2_driver_probe(struct pci_dev *dev,
>  	if (!hsotg)
>  		return -ENOMEM;
> 
> -	pci_set_power_state(dev, PCI_D0);
> -
>  	hsotg->dev = &dev->dev;
>  	hsotg->regs = devm_request_and_ioremap(&dev->dev, &dev->resource[0]);
>  	if (!hsotg->regs)
> --
> 1.7.1

Acked-by: Paul Zimmerman <paulz@...opsys.com>

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