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[209.132.180.67]) by mx.google.com with ESMTP id io5si4596022pbc.234.2014.02.25.11.48.36; Tue, 25 Feb 2014 11:48:36 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-usb-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752653AbaBYTse (ORCPT + 3 others); Tue, 25 Feb 2014 14:48:34 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:54093 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752522AbaBYTse (ORCPT ); Tue, 25 Feb 2014 14:48:34 -0500 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id s1PJmXUB029277 for ; Tue, 25 Feb 2014 13:48:33 -0600 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id s1PJmXG1009923 for ; Tue, 25 Feb 2014 13:48:33 -0600 Received: from dflp32.itg.ti.com (10.64.6.15) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.3.174.1; Tue, 25 Feb 2014 13:48:33 -0600 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id s1PJmW4Q024340; Tue, 25 Feb 2014 13:48:33 -0600 From: Felipe Balbi To: Linux USB Mailing List CC: Felipe Balbi Subject: [PATCH v2 07/11] usb: dwc3: core: enable Suspend bit for USB2/3 PHYs Date: Tue, 25 Feb 2014 13:47:08 -0600 Message-ID: <1393357628-5248-1-git-send-email-balbi@ti.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1393357243-2958-8-git-send-email-balbi@ti.com> References: <1393357243-2958-8-git-send-email-balbi@ti.com> MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: list List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: balbi@ti.com X-Original-Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.220.181 is neither permitted nor denied by best guess record for domain of patch+caf_=patchwork-forward=linaro.org@linaro.org) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , That bit still needs to be set for recent versions of the IP. When necessary, IP will automatically take PHYs out of suspend. Signed-off-by: Felipe Balbi --- changes since v1: wrap code with revision check drivers/usb/dwc3/core.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 2864aad..1cf1fb5 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -412,6 +412,16 @@ static int dwc3_core_init(struct dwc3 *dwc) dwc3_writel(dwc->regs, DWC3_GCTL, reg); + if (dwc->revision >= DWC3_REVISION_194A) { + reg = dwc3_readl(dwc->regs, DWC3_GUSB3PIPECTL(0)); + reg |= DWC3_GUSB3PIPECTL_SUSPHY; + dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg); + + reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)); + reg |= DWC3_GUSB2PHYCFG_SUSPHY; + dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); + } + ret = dwc3_alloc_scratch_buffers(dwc); if (ret) goto err1;