linux-kernel - Re: [PATCH 1/3] usb: xhci-mtk: use bitfield instead of bool

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Date:   Fri, 30 Apr 2021 09:29:15 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Chunfeng Yun <chunfeng.yun@...iatek.com>
Cc:     Mathias Nyman <mathias.nyman@...el.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-usb@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Ikjoon Jang <ikjn@...omium.org>,
        Eddie Hung <eddie.hung@...iatek.com>
Subject: Re: [PATCH 1/3] usb: xhci-mtk: use bitfield instead of bool

On Fri, Apr 30, 2021 at 03:15:30PM +0800, Chunfeng Yun wrote:
> Use bitfield instead of bool in struct

That says what you did, but not why you did it.

Why?

> 
> Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
> ---
>  drivers/usb/host/xhci-mtk.c | 2 --
>  drivers/usb/host/xhci-mtk.h | 8 ++++----
>  2 files changed, 4 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
> index b2058b3bc834..2548976bcf05 100644
> --- a/drivers/usb/host/xhci-mtk.c
> +++ b/drivers/usb/host/xhci-mtk.c
> @@ -495,8 +495,6 @@ static int xhci_mtk_probe(struct platform_device *pdev)
>  			goto put_usb2_hcd;
>  		}
>  		mtk->has_ippc = true;
> -	} else {
> -		mtk->has_ippc = false;

Why did you remove this chunk?  That is not described in the changelog
at all.

thanks,

greg k-h