Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Subject: Re: [PATCH v3] regmap: add iopoll-like atomic polling macro
To:     Sameer Pujar <spujar@nvidia.com>, broonie@kernel.org
Cc:     jonathanh@nvidia.com, linux-kernel@vger.kernel.org,
        linux-tegra@vger.kernel.org
References: <1578546590-24737-1-git-send-email-spujar@nvidia.com>
From:   Dmitry Osipenko <digetx@gmail.com>
Message-ID: <fa5198bf-0001-3a57-017f-1b40e0188606@gmail.com>
Date:   Thu, 9 Jan 2020 09:00:17 +0300
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101
 Thunderbird/68.3.0
MIME-Version: 1.0
In-Reply-To: <1578546590-24737-1-git-send-email-spujar@nvidia.com>
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 8bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

09.01.2020 08:09, Sameer Pujar пишет:
> This patch adds a macro 'regmap_read_poll_timeout_atomic' that works
> similar to 'readx_poll_timeout_atomic' defined in linux/iopoll.h; This
> is atomic version of already available 'regmap_read_poll_timeout' macro.
> 
> It should be noted that above atomic macro cannot be used by all regmaps.
> If the regmap is set up for atomic use (flat or no cache and MMIO) then
> only it can use.
> 
> Signed-off-by: Sameer Pujar <spujar@nvidia.com>
> ---

Could you please explain what is the targeted use-case here?