linux-kernel - Re: [PATCH v2 3/9] fsl/fman: backup and restore ICID registers

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Date:   Sat, 27 Apr 2019 12:18:50 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     laurentiu.tudor@....com
Cc:     netdev@...r.kernel.org, madalin.bucur@....com, roy.pledge@....com,
        camelia.groza@....com, leoyang.li@....com,
        iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/9] fsl/fman: backup and restore ICID registers

From: laurentiu.tudor@....com
Date: Sat, 27 Apr 2019 10:10:25 +0300

> @@ -1914,7 +1936,10 @@ static int fman_reset(struct fman *fman)
>  static int fman_init(struct fman *fman)
>  {
>  	struct fman_cfg *cfg = NULL;
> -	int err = 0, i, count;
> +	int err = 0, count;
> +#ifdef CONFIG_PPC
> +	int i;
> +#endif
>  
>  	if (is_init_done(fman->cfg))
>  		return -EINVAL;
> @@ -1934,6 +1959,7 @@ static int fman_init(struct fman *fman)
>  	memset_io((void __iomem *)(fman->base_addr + CGP_OFFSET), 0,
>  		  fman->state->fm_port_num_of_cg);
>  
> +#ifdef CONFIG_PPC
>  	/* Save LIODN info before FMan reset
>  	 * Skipping non-existent port 0 (i = 1)
>  	 */

Sorry, I'm not OK with littering a networking driver with arch ifdefs
all over the place.

Please create a proper abstraction and set of interfaces.

Thank you.