linux-kernel - Re: [PATCH 1/2] brcmfmac: add new dt entries for SG SDIO settings

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Message-ID: <20180318200126.GQ1188@lunn.ch>
Date:   Sun, 18 Mar 2018 21:01:26 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Alexey Roslyakov <alexey.roslyakov@...il.com>
Cc:     kvalo@...eaurora.org, robh+dt@...nel.org, mark.rutland@....com,
        arend.vanspriel@...adcom.com, franky.lin@...adcom.com,
        hante.meuleman@...adcom.com, chi-hsien.lin@...ress.com,
        wright.feng@...ress.com, netdev@...r.kernel.org,
        linux-wireless@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, brcm80211-dev-list.pdl@...adcom.com,
        brcm80211-dev-list@...ress.com
Subject: Re: [PATCH 1/2] brcmfmac: add new dt entries for SG SDIO settings

> +	if (of_property_read_u16(np, "brcm,sd-head-align", &align) == 0)
> +		sdio->sd_head_align = align;

Hi Alexey

I think you can make this:

	of_property_read_u16(np, "brcm,sd-head-align", &sdio->sd_head_align);

of_property_read_u16() should not touch the destination variable if
the properties does not exist, or if there is an error.

    Andrew