From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Osipenko Subject: Re: [PATCH v3] regmap: add iopoll-like atomic polling macro Date: Thu, 9 Jan 2020 09:00:17 +0300 Message-ID: References: <1578546590-24737-1-git-send-email-spujar@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <1578546590-24737-1-git-send-email-spujar@nvidia.com> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Sameer Pujar , broonie@kernel.org Cc: jonathanh@nvidia.com, linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org List-Id: linux-tegra@vger.kernel.org 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 > --- Could you please explain what is the targeted use-case here?