linux-kernel - Re: [PATCH net-next 08/10] net: mdio: Remove unnecessary (void*) conversions

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Message-ID: <3fda1d81-e350-42e9-8fec-6f107ae75932@kadam.mountain>
Date:   Thu, 29 Jun 2023 08:50:57 +0300
From:   Dan Carpenter <dan.carpenter@...aro.org>
To:     yunchuan <yunchuan@...china.com>
Cc:     "Russell King (Oracle)" <linux@...linux.org.uk>,
        iyappan@...amperecomputing.com, keyur@...amperecomputing.com,
        quan@...amperecomputing.com, andrew@...n.ch, hkallweit1@...il.com,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH net-next 08/10] net: mdio: Remove unnecessary (void*)
 conversions

On Thu, Jun 29, 2023 at 09:59:56AM +0800, yunchuan wrote:
> On 2023/6/28 17:50, Russell King (Oracle) wrote:
> > On Wed, Jun 28, 2023 at 10:45:17AM +0800, wuych wrote:
> > > @@ -211,7 +211,7 @@ static void xgene_enet_wr_mdio_csr(void __iomem *base_addr,
> > >   static int xgene_xfi_mdio_write(struct mii_bus *bus, int phy_id,
> > >   				int reg, u16 data)
> > >   {
> > > -	void __iomem *addr = (void __iomem *)bus->priv;
> > > +	void __iomem *addr = bus->priv;
> > >   	int timeout = 100;
> > >   	u32 status, val;
> > > @@ -234,7 +234,7 @@ static int xgene_xfi_mdio_write(struct mii_bus *bus, int phy_id,
> > >   static int xgene_xfi_mdio_read(struct mii_bus *bus, int phy_id, int reg)
> > >   {
> > > -	void __iomem *addr = (void __iomem *)bus->priv;
> > > +	void __iomem *addr = bus->priv;
> > >   	u32 data, status, val;
> > >   	int timeout = 100;
> > These probably cause Sparse to warn whether or not the cast is there.
> 
> Hi, Russell King,
> 
> I didn't notice this Sparse warning.
> Should I remove this cast although it cause Sparse warning?

No.  Don't introduce new Sparse warnings.

regards,
dan carpenter