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From: Helge Deller <deller@gmx.de>
To: Arnd Bergmann <arnd@arndb.de>,
	Julian Vetter <julian@outer-limits.org>,
	"James E . J . Bottomley" <James.Bottomley@hansenpartnership.com>
Cc: linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] parisc: Remove memcpy_fromio
Date: Mon, 3 Feb 2025 19:39:46 +0100	[thread overview]
Message-ID: <61390496-2066-4b9f-bf1f-235d29b64135@gmx.de> (raw)
In-Reply-To: <543bd0f6-b25d-48b4-8039-496b8ddd10ce@app.fastmail.com>

On 1/31/25 08:28, Arnd Bergmann wrote:
> On Thu, Jan 30, 2025, at 14:48, Julian Vetter wrote:
>> Fully migrate parisc to the IO functions from lib/iomem_copy.c. In a
>> recent patch the functions memset_io and memcpy_toio were removed, but
>> the memcpy_fromio was kept, because for very short sequences it does
>> half word accesses, whereas the functions in lib/iomem_copy.c do byte
>> accesses until the memory is naturally aligned and then do machine word
>> accesses. But I don't think the single half-word access merits keeping
>> the arch specific implementation, so, remove it as well.
>>
>> Signed-off-by: Julian Vetter <julian@outer-limits.org>
>
> Acked-by: Arnd Bergmann <arnd@arndb.de>

Thanks!
I've added the patch to the parisc git tree.

Helge

      parent reply	other threads:[~2025-02-03 18:39 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-30 13:48 Julian Vetter
2025-01-31  7:28 ` Arnd Bergmann
2025-02-03 10:21   ` Julian Vetter
2025-02-03 10:49     ` Arnd Bergmann
2025-02-03 18:39   ` Helge Deller [this message]

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