linux-kernel - Re: [PATCH] thunderbolt: Remove useless DMA-32 fallback configuration

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Message-ID: <Ye62OesXyIDhBEyy@lahna>
Date:   Mon, 24 Jan 2022 16:22:49 +0200
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     Andreas Noever <andreas.noever@...il.com>,
        Michael Jamet <michael.jamet@...el.com>,
        Yehezkel Bernat <YehezkelShB@...il.com>,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: Re: [PATCH] thunderbolt: Remove useless DMA-32 fallback configuration

On Sun, Jan 09, 2022 at 01:51:31PM +0100, Christophe JAILLET wrote:
> As stated in [1], dma_set_mask() with a 64-bit mask never fails if
> dev->dma_mask is non-NULL.
> So, if it fails, the 32 bits case will also fail for the same reason.
> 
> Simplify code and remove some dead code accordingly.
> 
> 
> While at it, include directly <linux/dma-mapping.h> instead on relying on
> indirect inclusion.
> 
> [1]: https://lkml.org/lkml/2021/6/7/398
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Applied, thanks!