diff options
Diffstat (limited to 'target/linux/mediatek/patches-4.14/0130-usb-xhci-mtk-remove-dummy-wakeup-debounce-clocks.patch')
| -rw-r--r-- | target/linux/mediatek/patches-4.14/0130-usb-xhci-mtk-remove-dummy-wakeup-debounce-clocks.patch | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-4.14/0130-usb-xhci-mtk-remove-dummy-wakeup-debounce-clocks.patch b/target/linux/mediatek/patches-4.14/0130-usb-xhci-mtk-remove-dummy-wakeup-debounce-clocks.patch new file mode 100644 index 0000000000..cb595ff7de --- /dev/null +++ b/target/linux/mediatek/patches-4.14/0130-usb-xhci-mtk-remove-dummy-wakeup-debounce-clocks.patch @@ -0,0 +1,93 @@ +From 25adaf94e0fcbf6c1b47cb610edb7f5c23c53139 Mon Sep 17 00:00:00 2001 +From: Chunfeng Yun <chunfeng.yun@mediatek.com> +Date: Fri, 13 Oct 2017 16:26:37 +0800 +Subject: [PATCH 130/224] usb: xhci-mtk: remove dummy wakeup debounce clocks + +The wakeup debounce clocks for each ports in fact are not +needed, so remove them. + +Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> +Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com> +Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + 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 97ba51e4e149..d60463c07c54 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 db55a12f1585..67783a7af509 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; +-- +2.11.0 + |