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Subject: Re: [PATCH v4 2/4] ocxl: read_pasid never returns an error, so make
 it void
To:     "Alastair D'Silva" <alastair@au1.ibm.com>, alastair@d-silva.org
Cc:     Greg Kurz <groug@kaod.org>,
        Andrew Donnellan <andrew.donnellan@au1.ibm.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
References: <20190320053448.2098-1-alastair@au1.ibm.com>
 <20190325053456.14599-1-alastair@au1.ibm.com>
 <20190325053456.14599-3-alastair@au1.ibm.com>
From:   Frederic Barrat <fbarrat@linux.ibm.com>
Date:   Wed, 3 Apr 2019 16:20:17 +0200
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Le 25/03/2019 à 06:34, Alastair D'Silva a écrit :
> From: Alastair D'Silva <alastair@d-silva.org>
> 
> No need for a return value in read_pasid as it only returns 0.
> 
> Signed-off-by: Alastair D'Silva <alastair@d-silva.org>
> Reviewed-by: Greg Kurz <groug@kaod.org>
> ---

Acked-by: Frederic Barrat <fbarrat@linux.ibm.com>


>   drivers/misc/ocxl/config.c | 9 ++-------
>   1 file changed, 2 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/misc/ocxl/config.c b/drivers/misc/ocxl/config.c
> index 8f2c5d8bd2ee..4dc11897237d 100644
> --- a/drivers/misc/ocxl/config.c
> +++ b/drivers/misc/ocxl/config.c
> @@ -68,7 +68,7 @@ static int find_dvsec_afu_ctrl(struct pci_dev *dev, u8 afu_idx)
>   	return 0;
>   }
>   
> -static int read_pasid(struct pci_dev *dev, struct ocxl_fn_config *fn)
> +static void read_pasid(struct pci_dev *dev, struct ocxl_fn_config *fn)
>   {
>   	u16 val;
>   	int pos;
> @@ -89,7 +89,6 @@ static int read_pasid(struct pci_dev *dev, struct ocxl_fn_config *fn)
>   out:
>   	dev_dbg(&dev->dev, "PASID capability:\n");
>   	dev_dbg(&dev->dev, "  Max PASID log = %d\n", fn->max_pasid_log);
> -	return 0;
>   }
>   
>   static int read_dvsec_tl(struct pci_dev *dev, struct ocxl_fn_config *fn)
> @@ -205,11 +204,7 @@ int ocxl_config_read_function(struct pci_dev *dev, struct ocxl_fn_config *fn)
>   {
>   	int rc;
>   
> -	rc = read_pasid(dev, fn);
> -	if (rc) {
> -		dev_err(&dev->dev, "Invalid PASID configuration: %d\n", rc);
> -		return -ENODEV;
> -	}
> +	read_pasid(dev, fn);
>   
>   	rc = read_dvsec_tl(dev, fn);
>   	if (rc) {
>