From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752793AbdI0JZL (ORCPT ); Wed, 27 Sep 2017 05:25:11 -0400 Received: from mailgw01.mediatek.com ([218.249.47.110]:55090 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752534AbdI0JXX (ORCPT ); Wed, 27 Sep 2017 05:23:23 -0400 X-UUID: bebf9306469a4a789a99bc4f69b9084e-20170927 From: Chunfeng Yun To: Mathias Nyman , Greg Kroah-Hartman , Felipe Balbi , Rob Herring CC: Matthias Brugger , Mark Rutland , Ian Campbell , Chunfeng Yun , , , , , Subject: [PATCH 5/9] usb: xhci-mtk: remove dummy wakeup debounce clocks Date: Wed, 27 Sep 2017 17:23:01 +0800 Message-ID: X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <994382d16d6bdc0f3d7c11b22f1710252e056e34.1506503879.git.chunfeng.yun@mediatek.com> References: <994382d16d6bdc0f3d7c11b22f1710252e056e34.1506503879.git.chunfeng.yun@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The wakeup debounce clocks for each ports in fact are not needed, so remove them. Signed-off-by: Chunfeng Yun --- drivers/usb/host/xhci-mtk.c | 33 --------------------------------- drivers/usb/host/xhci-mtk.h | 2 -- 2 files changed, 35 deletions(-) diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c index 97ba51e..d60463c 100644 --- a/drivers/usb/host/xhci-mtk.c +++ b/drivers/usb/host/xhci-mtk.c @@ -237,25 +237,8 @@ static int xhci_mtk_clks_enable(struct xhci_hcd_mtk *mtk) goto sys_clk_err; } - if (mtk->wakeup_src) { - ret = clk_prepare_enable(mtk->wk_deb_p0); - if (ret) { - dev_err(mtk->dev, "failed to enable wk_deb_p0\n"); - goto usb_p0_err; - } - - ret = clk_prepare_enable(mtk->wk_deb_p1); - if (ret) { - dev_err(mtk->dev, "failed to enable wk_deb_p1\n"); - goto usb_p1_err; - } - } return 0; -usb_p1_err: - clk_disable_unprepare(mtk->wk_deb_p0); -usb_p0_err: - clk_disable_unprepare(mtk->sys_clk); sys_clk_err: clk_disable_unprepare(mtk->ref_clk); ref_clk_err: @@ -264,10 +247,6 @@ static int xhci_mtk_clks_enable(struct xhci_hcd_mtk *mtk) static void xhci_mtk_clks_disable(struct xhci_hcd_mtk *mtk) { - if (mtk->wakeup_src) { - clk_disable_unprepare(mtk->wk_deb_p1); - clk_disable_unprepare(mtk->wk_deb_p0); - } clk_disable_unprepare(mtk->sys_clk); clk_disable_unprepare(mtk->ref_clk); } @@ -371,18 +350,6 @@ static int usb_wakeup_of_property_parse(struct xhci_hcd_mtk *mtk, if (!mtk->wakeup_src) return 0; - mtk->wk_deb_p0 = devm_clk_get(dev, "wakeup_deb_p0"); - if (IS_ERR(mtk->wk_deb_p0)) { - dev_err(dev, "fail to get wakeup_deb_p0\n"); - return PTR_ERR(mtk->wk_deb_p0); - } - - mtk->wk_deb_p1 = devm_clk_get(dev, "wakeup_deb_p1"); - if (IS_ERR(mtk->wk_deb_p1)) { - dev_err(dev, "fail to get wakeup_deb_p1\n"); - return PTR_ERR(mtk->wk_deb_p1); - } - mtk->pericfg = syscon_regmap_lookup_by_phandle(dn, "mediatek,syscon-wakeup"); if (IS_ERR(mtk->pericfg)) { diff --git a/drivers/usb/host/xhci-mtk.h b/drivers/usb/host/xhci-mtk.h index db55a12..67783a7 100644 --- a/drivers/usb/host/xhci-mtk.h +++ b/drivers/usb/host/xhci-mtk.h @@ -126,8 +126,6 @@ struct xhci_hcd_mtk { struct regulator *vbus; struct clk *sys_clk; /* sys and mac clock */ struct clk *ref_clk; - struct clk *wk_deb_p0; /* port0's wakeup debounce clock */ - struct clk *wk_deb_p1; struct regmap *pericfg; struct phy **phys; int num_phys; -- 1.7.9.5