linux-kernel - Re: [PATCH] drm: aspeed: Fix GENMASK misuse

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Message-Id: <020e9eb5-4fdc-44d0-b00e-42b6e6435110@www.fastmail.com>
Date:   Mon, 24 Feb 2020 10:36:47 +1030
From:   "Andrew Jeffery" <andrew@...id.au>
To:     "Ondrej Jirman" <megous@...ous.com>, linux-kernel@...r.kernel.org
Cc:     "Joel Stanley" <joel@....id.au>, "David Airlie" <airlied@...ux.ie>,
        "Daniel Vetter" <daniel@...ll.ch>,
        "open list:DRM DRIVER FOR ASPEED BMC GFX" 
        <linux-aspeed@...ts.ozlabs.org>,
        "open list:DRM DRIVERS" <dri-devel@...ts.freedesktop.org>,
        "moderated list:ARM/ASPEED MACHINE SUPPORT" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] drm: aspeed: Fix GENMASK misuse



On Sun, 23 Feb 2020, at 10:21, Ondrej Jirman wrote:
> Arguments to GENMASK should be msb >= lsb.
> 
> Signed-off-by: Ondrej Jirman <megous@...ous.com>
> ---
> I just grepped the whole kernel tree for GENMASK argument order issues,
> and this is one of the three that popped up. No testing was done.

I think someone's sent a patch previously, and last time it turned into a
discussion about how the macros aren't actually used and could be
removed.

Regardless:

Reviewed-by: Andrew Jeffery <andrew@...id.au>