linux-kernel - Re: [PATCH v2 2/2] spmi: fix some coding style issues at the spmi core

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Date:   Tue, 29 Sep 2020 11:13:19 +0200
From:   Marc Gonzalez <marc.w.gonzalez@...e.fr>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     John Stultz <john.stultz@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        MSM <linux-arm-msm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] spmi: fix some coding style issues at the spmi
 core

On 29/09/2020 08:22, Mauro Carvalho Chehab wrote:

> @@ -487,7 +489,7 @@ static void of_spmi_register_devices(struct spmi_controller *ctrl)
>  			continue;
>  
>  		sdev->dev.of_node = node;
> -		sdev->usid = (u8) reg[0];
> +		sdev->usid = (u8)reg[0];

typeof(sdev->usid) is u8.

What is the point of this cast?

Does GCC warn that u32 is being truncated to u8?

Regards.