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Date:   Wed, 13 Jul 2022 12:44:38 -0700
From:   Yury Norov <yury.norov@gmail.com>
To:     Andy Shevchenko <andy.shevchenko@gmail.com>
Cc:     Sebastian Fricke <sebastian.fricke@collabora.com>,
        Linux Media Mailing List <linux-media@vger.kernel.org>,
        Jernej Skrabec <jernej.skrabec@gmail.com>, knaerzche@gmail.com,
        Collabora Kernel ML <kernel@collabora.com>,
        bob.beckett@collabora.com,
        Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@lists.infradead.org>,
        linux-staging@lists.linux.dev, nicolas.dufresne@collabora.com,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Rasmus Villemoes <linux@rasmusvillemoes.dk>
Subject: Re: [PATCH 3/6] bitops: bitmap helper to set variable length values
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On Wed, Jul 13, 2022 at 09:10:33PM +0200, Andy Shevchenko wrote:
> On Wed, Jul 13, 2022 at 8:56 PM Yury Norov <yury.norov@gmail.com> wrote:
> > On Wed, Jul 13, 2022 at 06:31:59PM +0200, Sebastian Fricke wrote:
> 
> ...
> 
> > I'd suggest you to try implementing
> >         bitmap_copy_from(dst, src, dst_off, len)
> > or even
> >         bitmap_copy_from(dst, dst_off, src, src_off, len)
> > if you expect that you'll need more flexibility in the future.
> 
> Do you think it would be useful?
> 
> We have bitmap_replace() & bitmap_remap(). Wouldn't that be enough?

bitmap_replace and bitmap_remap have no an 'offset' parameter.