From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Osipenko Subject: Re: [RFC PATCH v6 6/9] media: tegra: Add Tegra210 Video input driver Date: Sun, 5 Apr 2020 22:37:47 +0300 Message-ID: References: <1585963507-12610-1-git-send-email-skomatineni@nvidia.com> <1585963507-12610-7-git-send-email-skomatineni@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <1585963507-12610-7-git-send-email-skomatineni-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Content-Language: en-US Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Sowjanya Komatineni , thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, frankc-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org, hverkuil-qWit8jRvyhVmR6Xm/wNWPw@public.gmane.org, sakari.ailus-X3B1VOXEql0@public.gmane.org, helen.koike-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org Cc: sboyd-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-tegra@vger.kernel.org 04.04.2020 04:25, Sowjanya Komatineni пишет: ... > +static int tegra_csi_init(struct host1x_client *client) > +{ > + struct tegra_csi *csi = host1x_client_to_csi(client); > + struct tegra_video_device *vid = dev_get_drvdata(client->host); > + int ret; > + > + vid->csi = csi; > + > + INIT_LIST_HEAD(&csi->csi_chans); > + > + if (pm_runtime_enabled(csi->dev)) { > + ret = pm_runtime_get_sync(csi->dev); > + if (ret < 0) { > + dev_err(csi->dev, > + "failed to get runtime PM: %d\n", ret); > + pm_runtime_put_noidle(csi->dev); > + return ret; > + } > + } else { RPM is supposed to be always available on Tegra nowadays.