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ab7cabd09d
Compile-tested on: ramips/mt7621, x86/64. Run-tested on: ramips/mt7621. Signed-off-by: Stijn Segers <foss@volatilesystems.org>
87 lines
2.5 KiB
Diff
87 lines
2.5 KiB
Diff
From 25adaf94e0fcbf6c1b47cb610edb7f5c23c53139 Mon Sep 17 00:00:00 2001
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From: Chunfeng Yun <chunfeng.yun@mediatek.com>
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Date: Fri, 13 Oct 2017 16:26:37 +0800
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Subject: [PATCH 130/224] usb: xhci-mtk: remove dummy wakeup debounce clocks
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The wakeup debounce clocks for each ports in fact are not
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needed, so remove them.
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Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
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Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
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Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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---
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drivers/usb/host/xhci-mtk.c | 33 ---------------------------------
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drivers/usb/host/xhci-mtk.h | 2 --
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2 files changed, 35 deletions(-)
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--- a/drivers/usb/host/xhci-mtk.c
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+++ b/drivers/usb/host/xhci-mtk.c
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@@ -237,25 +237,8 @@ static int xhci_mtk_clks_enable(struct x
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goto sys_clk_err;
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}
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- if (mtk->wakeup_src) {
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- ret = clk_prepare_enable(mtk->wk_deb_p0);
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- if (ret) {
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- dev_err(mtk->dev, "failed to enable wk_deb_p0\n");
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- goto usb_p0_err;
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- }
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-
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- ret = clk_prepare_enable(mtk->wk_deb_p1);
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- if (ret) {
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- dev_err(mtk->dev, "failed to enable wk_deb_p1\n");
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- goto usb_p1_err;
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- }
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- }
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return 0;
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-usb_p1_err:
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- clk_disable_unprepare(mtk->wk_deb_p0);
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-usb_p0_err:
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- clk_disable_unprepare(mtk->sys_clk);
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sys_clk_err:
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clk_disable_unprepare(mtk->ref_clk);
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ref_clk_err:
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@@ -264,10 +247,6 @@ ref_clk_err:
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static void xhci_mtk_clks_disable(struct xhci_hcd_mtk *mtk)
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{
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- if (mtk->wakeup_src) {
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- clk_disable_unprepare(mtk->wk_deb_p1);
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- clk_disable_unprepare(mtk->wk_deb_p0);
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- }
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clk_disable_unprepare(mtk->sys_clk);
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clk_disable_unprepare(mtk->ref_clk);
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}
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@@ -371,18 +350,6 @@ static int usb_wakeup_of_property_parse(
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if (!mtk->wakeup_src)
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return 0;
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- mtk->wk_deb_p0 = devm_clk_get(dev, "wakeup_deb_p0");
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- if (IS_ERR(mtk->wk_deb_p0)) {
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- dev_err(dev, "fail to get wakeup_deb_p0\n");
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- return PTR_ERR(mtk->wk_deb_p0);
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- }
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-
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- mtk->wk_deb_p1 = devm_clk_get(dev, "wakeup_deb_p1");
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- if (IS_ERR(mtk->wk_deb_p1)) {
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- dev_err(dev, "fail to get wakeup_deb_p1\n");
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- return PTR_ERR(mtk->wk_deb_p1);
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- }
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-
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mtk->pericfg = syscon_regmap_lookup_by_phandle(dn,
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"mediatek,syscon-wakeup");
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if (IS_ERR(mtk->pericfg)) {
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--- a/drivers/usb/host/xhci-mtk.h
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+++ b/drivers/usb/host/xhci-mtk.h
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@@ -126,8 +126,6 @@ struct xhci_hcd_mtk {
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struct regulator *vbus;
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struct clk *sys_clk; /* sys and mac clock */
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struct clk *ref_clk;
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- struct clk *wk_deb_p0; /* port0's wakeup debounce clock */
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- struct clk *wk_deb_p1;
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struct regmap *pericfg;
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struct phy **phys;
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int num_phys;
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