Re: [PATCH 2/7] net: phy: Fix the register offsets in Broadcom iProc mdio mux driver

From: Arun Parameswaran
Date: Thu Jul 26 2018 - 15:16:41 EST




On 18-07-26 12:06 PM, Andrew Lunn wrote:
> On Thu, Jul 26, 2018 at 11:36:19AM -0700, Arun Parameswaran wrote:
>> Modify the register offsets in the Broadcom iProc mdio mux to start
>> from the top of the register address space.
>>
>> Earlier the base address specified was from the middle of the block's
>> register space. The base address will now point to the start of the
>> mdio's address space. The offsets have been fixed to match this.
>
> Hi Arun
>
> Did you consider a change something like:
That looks good. I will make this change to the patch.

Thanks
Arun
>
> diff --git a/drivers/net/phy/mdio-mux-bcm-iproc.c b/drivers/net/phy/mdio-mux-bcm-iproc.c
> index 0831b7142df7..2d53e609498c 100644
> --- a/drivers/net/phy/mdio-mux-bcm-iproc.c
> +++ b/drivers/net/phy/mdio-mux-bcm-iproc.c
> @@ -169,6 +169,12 @@ static int mdio_mux_iproc_probe(struct platform_device *pdev)
> md->dev = &pdev->dev;
>
> res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> +
> + if (res->start & 0xfff != 0) {
> + dev_info(&pdev->dev, "Please upgrade your device tree blob.\n");
> + res->start &= ~0xfff;
> + }
> +
> md->base = devm_ioremap_resource(&pdev->dev, res);
> if (IS_ERR(md->base)) {
> dev_err(&pdev->dev, "failed to ioremap register\n");
>
>
> Andrew
>