[PATCH v4 04/12] ata: ahci_mvebu: add support for Armada 3700 variant

[Gregory CLEMENT]

Hi Tejun and Hans,
 
 On mar., févr. 16 2016, Gregory CLEMENT <gregory.clement at free-electrons.com> wrote:

> From: Lior Amsalem <alior at marvell.com>
>
> The main difference in the new Armada 3700 is that no address
> decoding needs to take place in the driver probe.
>
> [gregory.clement at free-electrons.com: reformulate the commit log]
>
> Signed-off-by: Lior Amsalem <alior at marvell.com>
> Reviewed-by: Nadav Haklai <nadavh at marvell.com>
> Tested-by: Nadav Haklai <nadavh at marvell.com>
> Signed-off-by: Gregory CLEMENT <gregory.clement at free-electrons.com>

I took care of the arm related part of the series, but I will let you
apply this patch in the sata subsystem once you have reviewed it. But
if for any reason you preferred that I took it through mvebu just tell
me.

Thanks,

Gregory


> ---
>  drivers/ata/ahci_mvebu.c | 14 +++++++++-----
>  1 file changed, 9 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/ata/ahci_mvebu.c b/drivers/ata/ahci_mvebu.c
> index f7a7fa81740e..de7128d81e9c 100644
> --- a/drivers/ata/ahci_mvebu.c
> +++ b/drivers/ata/ahci_mvebu.c
> @@ -112,12 +112,15 @@ static int ahci_mvebu_probe(struct platform_device *pdev)
>  	if (rc)
>  		return rc;
>  
> -	dram = mv_mbus_dram_info();
> -	if (!dram)
> -		return -ENODEV;
> +	if (of_device_is_compatible(pdev->dev.of_node,
> +				    "marvell,armada-380-ahci")) {
> +		dram = mv_mbus_dram_info();
> +		if (!dram)
> +			return -ENODEV;
>  
> -	ahci_mvebu_mbus_config(hpriv, dram);
> -	ahci_mvebu_regret_option(hpriv);
> +		ahci_mvebu_mbus_config(hpriv, dram);
> +		ahci_mvebu_regret_option(hpriv);
> +	}
>  
>  	rc = ahci_platform_init_host(pdev, hpriv, &ahci_mvebu_port_info,
>  				     &ahci_platform_sht);
> @@ -133,6 +136,7 @@ disable_resources:
>  
>  static const struct of_device_id ahci_mvebu_of_match[] = {
>  	{ .compatible = "marvell,armada-380-ahci", },
> +	{ .compatible = "marvell,armada-3700-ahci", },
>  	{ },
>  };
>  MODULE_DEVICE_TABLE(of, ahci_mvebu_of_match);
> -- 
> 2.5.0
>

-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com