linux-kernel - Re: [RESEND PATCH net-next v3] net: smc91x: Fix pointer types

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Message-Id: <0aa8873b-d333-4d2a-ba3a-a116623b470a@app.fastmail.com>
Date: Wed, 29 May 2024 16:49:03 +0200
From: "Arnd Bergmann" <arnd@...db.de>
To: "Thorsten Blum" <thorsten.blum@...lux.com>,
 "Nicolas Pitre" <nico@...xnic.net>, "David S . Miller" <davem@...emloft.net>,
 "Eric Dumazet" <edumazet@...gle.com>, "Jakub Kicinski" <kuba@...nel.org>,
 "Paolo Abeni" <pabeni@...hat.com>,
 "John Paul Adrian Glaubitz" <glaubitz@...sik.fu-berlin.de>,
 "Andrew Lunn" <andrew@...n.ch>
Cc: Netdev <netdev@...r.kernel.org>, linux-kernel@...r.kernel.org,
 "kernel test robot" <lkp@...el.com>
Subject: Re: [RESEND PATCH net-next v3] net: smc91x: Fix pointer types

On Wed, May 29, 2024, at 16:39, Thorsten Blum wrote:
> Use void __iomem pointers as parameters for mcf_insw() and mcf_outsw()
> to align with the parameter types of readw() and writew() to fix the
> following warnings reported by kernel test robot:
>
> drivers/net/ethernet/smsc/smc91x.c:590:9: sparse: warning: incorrect 
> type in argument 1 (different address spaces)
> drivers/net/ethernet/smsc/smc91x.c:590:9: sparse:    expected void *a
> drivers/net/ethernet/smsc/smc91x.c:590:9: sparse:    got void [noderef] 
> __iomem *
> drivers/net/ethernet/smsc/smc91x.c:590:9: sparse: warning: incorrect 
> type in argument 1 (different address spaces)
> drivers/net/ethernet/smsc/smc91x.c:590:9: sparse:    expected void *a
> drivers/net/ethernet/smsc/smc91x.c:590:9: sparse:    got void [noderef] 
> __iomem *
> drivers/net/ethernet/smsc/smc91x.c:590:9: sparse: warning: incorrect 
> type in argument 1 (different address spaces)
> drivers/net/ethernet/smsc/smc91x.c:590:9: sparse:    expected void *a
> drivers/net/ethernet/smsc/smc91x.c:590:9: sparse:    got void [noderef] 
> __iomem *
> drivers/net/ethernet/smsc/smc91x.c:483:17: sparse: warning: incorrect 
> type in argument 1 (different address spaces)
> drivers/net/ethernet/smsc/smc91x.c:483:17: sparse:    expected void *a
> drivers/net/ethernet/smsc/smc91x.c:483:17: sparse:    got void 
> [noderef] __iomem *
>
> Reported-by: kernel test robot <lkp@...el.com>
> Closes: 
> https://lore.kernel.org/oe-kbuild-all/202405160853.3qyaSj8w-lkp@intel.com/
> Acked-by: Nicolas Pitre <nico@...xnic.net>
> Reviewed-by: Andrew Lunn <andrew@...n.ch>
> Signed-off-by: Thorsten Blum <thorsten.blum@...lux.com>

Acked-by: Arnd Bergmann <arnd@...db.de>