From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jon Hunter Subject: [PATCH V2 4/5] soc/tegra: pmc: Don't power-up XUSB power-domains Date: Fri, 28 Sep 2018 15:11:49 +0100 Message-ID: <1538143910-24400-5-git-send-email-jonathanh@nvidia.com> References: <1538143910-24400-1-git-send-email-jonathanh@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1538143910-24400-1-git-send-email-jonathanh@nvidia.com> Sender: linux-kernel-owner@vger.kernel.org To: Rob Herring , Mark Rutland , Mathias Nyman , Greg Kroah-Hartman , Thierry Reding Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, Ulf Hansson , Jon Hunter List-Id: devicetree@vger.kernel.org Now that the Tegra xHCI driver manages the XUSB power-domains itself, remove the code to power-up the power-domains used by the xHCI device from the PMC driver on boot. Signed-off-by: Jon Hunter --- drivers/soc/tegra/pmc.c | 16 ---------------- 1 file changed, 16 deletions(-) diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c index ab719fa90150..a68b4476b4ee 100644 --- a/drivers/soc/tegra/pmc.c +++ b/drivers/soc/tegra/pmc.c @@ -847,22 +847,6 @@ static void tegra_powergate_add(struct tegra_pmc *pmc, struct device_node *np) goto remove_resets; } - /* - * FIXME: If XHCI is enabled for Tegra, then power-up the XUSB - * host and super-speed partitions. Once the XHCI driver - * manages the partitions itself this code can be removed. Note - * that we don't register these partitions with the genpd core - * to avoid it from powering down the partitions as they appear - * to be unused. - */ - if (IS_ENABLED(CONFIG_USB_XHCI_TEGRA) && - (id == TEGRA_POWERGATE_XUSBA || id == TEGRA_POWERGATE_XUSBC)) { - if (off) - WARN_ON(tegra_powergate_power_up(pg, true)); - - goto remove_resets; - } - err = pm_genpd_init(&pg->genpd, NULL, off); if (err < 0) { pr_err("failed to initialise PM domain %s: %d\n", np->name, -- 2.7.4