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From: Ben Warren <biggerbadderben@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] net: dm9000x: re-add casts to I/O pointers to fix gcc warnings
Date: Sun, 11 Jul 2010 23:52:06 -0700	[thread overview]
Message-ID: <4C3ABB96.8000205@gmail.com> (raw)
In-Reply-To: <1278311361-23058-1-git-send-email-vapier@gentoo.org>

  Hi Mike,

On 7/4/2010 11:29 PM, Mike Frysinger wrote:
> The DM9000 in/out helper functions were casting the register address when
> it was accessing things directly (pre commit a45dde2293c816138e53c).  But
> when it was changed to using the in/out helpers, those casts were dropped
> because those functions don't take pointers.  Even more recently, those
> functions were then changed to use the read/write helpers, but the casts
> were not re-added.  This is necessary because the read/write helpers do
> take pointers.  Otherwise we get a lot of warnings like:
> dm9000x.c: In function 'dm9000_inblk_8bit':
> dm9000x.c:172: warning: passing argument 1 of 'readb'
> 	makes pointer from integer without a cast
>
> Signed-off-by: Mike Frysinger<vapier@gentoo.org>
> ---
>   drivers/net/dm9000x.c |   12 ++++++------
>   1 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/net/dm9000x.c b/drivers/net/dm9000x.c
> index 137e41f..709f67a 100644
> --- a/drivers/net/dm9000x.c
> +++ b/drivers/net/dm9000x.c
> @@ -117,12 +117,12 @@ static void DM9000_iow(int reg, u8 value);
>
>   /* DM9000 network board routine ---------------------------- */
>
> -#define DM9000_outb(d,r) writeb(d, r)
> -#define DM9000_outw(d,r) writew(d, r)
> -#define DM9000_outl(d,r) writel(d, r)
> -#define DM9000_inb(r) readb(r)
> -#define DM9000_inw(r) readw(r)
> -#define DM9000_inl(r) readl(r)
> +#define DM9000_outb(d,r) writeb(d, (volatile u8 *)(r))
> +#define DM9000_outw(d,r) writew(d, (volatile u16 *)(r))
> +#define DM9000_outl(d,r) writel(d, (volatile u32 *)(r))
> +#define DM9000_inb(r) readb((volatile u8 *)(r))
> +#define DM9000_inw(r) readw((volatile u16 *)(r))
> +#define DM9000_inl(r) readl((volatile u32 *)(r))
>
>   #ifdef CONFIG_DM9000_DEBUG
>   static void
Applied to net repo.

thanks,
Ben

      parent reply	other threads:[~2010-07-12  6:52 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-05  6:29 [U-Boot] [PATCH] net: dm9000x: re-add casts to I/O pointers to fix gcc warnings Mike Frysinger
2010-07-06 14:26 ` Thomas Weber
2010-07-12  6:52 ` Ben Warren [this message]

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