Re: [PATCH -mm] scsi sata_svw gcc 4.1 warning fix

[Benjamin Herrenschmidt <benh@kernel.crashing.org>]

On Tue, 2006-05-09 at 19:56 -0700, Daniel Walker wrote:
> Fixes the following warning,

Nack... ugly casts. Jeff, what is the status with these ?

Cheers,
Ben.


> drivers/scsi/sata_svw.c: In function 'k2_sata_tf_load':
> drivers/scsi/sata_svw.c:115: warning: passing argument 2 of 'writeb' makes pointer from integer without a cast
> drivers/scsi/sata_svw.c:120: warning: passing argument 2 of 'writew' makes pointer from integer without a cast
> drivers/scsi/sata_svw.c:121: warning: passing argument 2 of 'writew' makes pointer from integer without a cast
> drivers/scsi/sata_svw.c:122: warning: passing argument 2 of 'writew' makes pointer from integer without a cast
> drivers/scsi/sata_svw.c:123: warning: passing argument 2 of 'writew' makes pointer from integer without a cast
> drivers/scsi/sata_svw.c:124: warning: passing argument 2 of 'writew' makes pointer from integer without a cast
> drivers/scsi/sata_svw.c:126: warning: passing argument 2 of 'writew' makes pointer from integer without a cast
> drivers/scsi/sata_svw.c:127: warning: passing argument 2 of 'writew' makes pointer from integer without a cast
> drivers/scsi/sata_svw.c:128: warning: passing argument 2 of 'writew' makes pointer from integer without a cast
> drivers/scsi/sata_svw.c:129: warning: passing argument 2 of 'writew' makes pointer from integer without a cast
> drivers/scsi/sata_svw.c:130: warning: passing argument 2 of 'writew' makes pointer from integer without a cast
> drivers/scsi/sata_svw.c:134: warning: passing argument 2 of 'writeb' makes pointer from integer without a cast
> drivers/scsi/sata_svw.c: In function 'k2_sata_tf_read':
> drivers/scsi/sata_svw.c:146: warning: passing argument 1 of 'readw' makes pointer from integer without a cast
> drivers/scsi/sata_svw.c:147: warning: passing argument 1 of 'readw' makes pointer from integer without a cast
> drivers/scsi/sata_svw.c:148: warning: passing argument 1 of 'readw' makes pointer from integer without a cast
> drivers/scsi/sata_svw.c:149: warning: passing argument 1 of 'readw' makes pointer from integer without a cast
> drivers/scsi/sata_svw.c:150: warning: passing argument 1 of 'readw' makes pointer from integer without a cast
> drivers/scsi/sata_svw.c:151: warning: passing argument 1 of 'readw' makes pointer from integer without a cast
> 
> Signed-Off-By: Daniel Walker <dwalker@mvista.com>
> 
> Index: linux-2.6.16/drivers/scsi/sata_svw.c
> ===================================================================
> --- linux-2.6.16.orig/drivers/scsi/sata_svw.c
> +++ linux-2.6.16/drivers/scsi/sata_svw.c
> @@ -112,26 +112,26 @@ static void k2_sata_tf_load(struct ata_p
>  	unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR;
>  
>  	if (tf->ctl != ap->last_ctl) {
> -		writeb(tf->ctl, ioaddr->ctl_addr);
> +		writeb(tf->ctl, (void *)ioaddr->ctl_addr);
>  		ap->last_ctl = tf->ctl;
>  		ata_wait_idle(ap);
>  	}
>  	if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) {
> -		writew(tf->feature | (((u16)tf->hob_feature) << 8), ioaddr->feature_addr);
> -		writew(tf->nsect | (((u16)tf->hob_nsect) << 8), ioaddr->nsect_addr);
> -		writew(tf->lbal | (((u16)tf->hob_lbal) << 8), ioaddr->lbal_addr);
> -		writew(tf->lbam | (((u16)tf->hob_lbam) << 8), ioaddr->lbam_addr);
> -		writew(tf->lbah | (((u16)tf->hob_lbah) << 8), ioaddr->lbah_addr);
> +		writew(tf->feature | (((u16)tf->hob_feature) << 8), (void *)ioaddr->feature_addr);
> +		writew(tf->nsect | (((u16)tf->hob_nsect) << 8), (void *)ioaddr->nsect_addr);
> +		writew(tf->lbal | (((u16)tf->hob_lbal) << 8), (void *)ioaddr->lbal_addr);
> +		writew(tf->lbam | (((u16)tf->hob_lbam) << 8), (void *)ioaddr->lbam_addr);
> +		writew(tf->lbah | (((u16)tf->hob_lbah) << 8), (void *)ioaddr->lbah_addr);
>  	} else if (is_addr) {
> -		writew(tf->feature, ioaddr->feature_addr);
> -		writew(tf->nsect, ioaddr->nsect_addr);
> -		writew(tf->lbal, ioaddr->lbal_addr);
> -		writew(tf->lbam, ioaddr->lbam_addr);
> -		writew(tf->lbah, ioaddr->lbah_addr);
> +		writew(tf->feature, (void *)ioaddr->feature_addr);
> +		writew(tf->nsect, (void *)ioaddr->nsect_addr);
> +		writew(tf->lbal, (void *)ioaddr->lbal_addr);
> +		writew(tf->lbam, (void *)ioaddr->lbam_addr);
> +		writew(tf->lbah, (void *)ioaddr->lbah_addr);
>  	}
>  
>  	if (tf->flags & ATA_TFLAG_DEVICE)
> -		writeb(tf->device, ioaddr->device_addr);
> +		writeb(tf->device, (void *)ioaddr->device_addr);
>  
>  	ata_wait_idle(ap);
>  }
> @@ -143,12 +143,12 @@ static void k2_sata_tf_read(struct ata_p
>  	u16 nsect, lbal, lbam, lbah, feature;
>  
>  	tf->command = k2_stat_check_status(ap);
> -	tf->device = readw(ioaddr->device_addr);
> -	feature = readw(ioaddr->error_addr);
> -	nsect = readw(ioaddr->nsect_addr);
> -	lbal = readw(ioaddr->lbal_addr);
> -	lbam = readw(ioaddr->lbam_addr);
> -	lbah = readw(ioaddr->lbah_addr);
> +	tf->device = readw((void *)ioaddr->device_addr);
> +	feature = readw((void *)ioaddr->error_addr);
> +	nsect = readw((void *)ioaddr->nsect_addr);
> +	lbal = readw((void *)ioaddr->lbal_addr);
> +	lbam = readw((void *)ioaddr->lbam_addr);
> +	lbah = readw((void *)ioaddr->lbah_addr);
>  
>  	tf->feature = feature;
>  	tf->nsect = nsect;
> -
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