linux-kernel - 答复: [PATCH v3] drm/hisilicon: Fixed the warning: Assignment of 0/1 to bool variable

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Message-ID: <c3f00286e3dd4146bcae5da6b69226c5@hisilicon.com>
Date:   Wed, 29 Jul 2020 09:33:03 +0000
From:   "tiantao (H)" <tiantao6@...ilicon.com>
To:     Thomas Zimmermann <tzimmermann@...e.de>,
        "airlied@...ux.ie" <airlied@...ux.ie>,
        "daniel@...ll.ch" <daniel@...ll.ch>,
        "kraxel@...hat.com" <kraxel@...hat.com>,
        "alexander.deucher@....com" <alexander.deucher@....com>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "xinliang.liu@...aro.org" <xinliang.liu@...aro.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     Linuxarm <linuxarm@...wei.com>
Subject: 答复: [PATCH v3] drm/hisilicon: Fixed the warning: Assignment of 0/1 to bool variable

Hi Thomas:

	Thank you very much .

Best

-----邮件原件-----
发件人: Thomas Zimmermann [mailto:tzimmermann@...e.de] 
发送时间: 2020年7月29日 16:35
收件人: tiantao (H) <tiantao6@...ilicon.com>; airlied@...ux.ie; daniel@...ll.ch; kraxel@...hat.com; alexander.deucher@....com; tglx@...utronix.de; dri-devel@...ts.freedesktop.org; xinliang.liu@...aro.org; linux-kernel@...r.kernel.org
抄送: Linuxarm <linuxarm@...wei.com>
主题: Re: [PATCH v3] drm/hisilicon: Fixed the warning: Assignment of 0/1 to bool variable



Am 28.07.20 um 14:55 schrieb Tian Tao:
> fixed the following warning:
> hibmc_drm_drv.c:296:1-18:WARNING: Assignment of 0/1 to bool variable.
> hibmc_drm_drv.c:301:2-19: WARNING: Assignment of 0/1 to bool variable.
> 
> v2:
> using the pci_dev.msi_enabled instead of priv->msi_enabled.
> 
> v3:
> just call pci_enable_msi() and pci_disable_msi(), it's no need to set 
> dev->pdev->msi_enabled again.
> 
> Signed-off-by: Tian Tao <tiantao6@...ilicon.com>

Thanks. Added to drm-misc-next

Best regards
Thomas

> ---
>  drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 5 +----  
> drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h | 1 -
>  2 files changed, 1 insertion(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c 
> b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> index 249c298..b8d839a 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> @@ -254,9 +254,8 @@ static int hibmc_unload(struct drm_device *dev)
>  
>  	if (dev->irq_enabled)
>  		drm_irq_uninstall(dev);
> -	if (priv->msi_enabled)
> -		pci_disable_msi(dev->pdev);
>  
> +	pci_disable_msi(dev->pdev);
>  	hibmc_kms_fini(priv);
>  	hibmc_mm_fini(priv);
>  	dev->dev_private = NULL;
> @@ -294,12 +293,10 @@ static int hibmc_load(struct drm_device *dev)
>  		goto err;
>  	}
>  
> -	priv->msi_enabled = 0;
>  	ret = pci_enable_msi(dev->pdev);
>  	if (ret) {
>  		DRM_WARN("enabling MSI failed: %d\n", ret);
>  	} else {
> -		priv->msi_enabled = 1;
>  		ret = drm_irq_install(dev, dev->pdev->irq);
>  		if (ret)
>  			DRM_WARN("install irq failed: %d\n", ret); diff --git 
> a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h 
> b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
> index 6097687..a683763 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
> @@ -25,7 +25,6 @@ struct hibmc_drm_private {
>  	void __iomem   *fb_map;
>  	unsigned long  fb_base;
>  	unsigned long  fb_size;
> -	bool msi_enabled;
>  
>  	/* drm */
>  	struct drm_device  *dev;
> 

--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer