1 From 50005796f146351dc9c34bbf8898b305c562e964 Mon Sep 17 00:00:00 2001
2 From: Chunfeng Yun <chunfeng.yun@mediatek.com>
3 Date: Fri, 13 Oct 2017 17:10:39 +0800
4 Subject: [PATCH 105/224] usb: mtu3: remove dummy wakeup debounce clocks
6 The wakeup debounce clocks for each ports in fact are not
7 needed, so remove them.
9 Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
10 Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
12 drivers/usb/mtu3/mtu3.h | 4 ----
13 drivers/usb/mtu3/mtu3_host.c | 57 ++++----------------------------------------
14 2 files changed, 4 insertions(+), 57 deletions(-)
16 --- a/drivers/usb/mtu3/mtu3.h
17 +++ b/drivers/usb/mtu3/mtu3.h
18 @@ -214,8 +214,6 @@ struct otg_switch_mtk {
19 * disable u3port0, bit1==1 to disable u3port1,... etc
20 * @dbgfs_root: only used when supports manual dual-role switch via debugfs
21 * @wakeup_en: it's true when supports remote wakeup in host mode
22 - * @wk_deb_p0: port0's wakeup debounce clock
23 - * @wk_deb_p1: it's optional, and depends on port1 is supported or not
27 @@ -238,8 +236,6 @@ struct ssusb_mtk {
28 struct dentry *dbgfs_root;
29 /* usb wakeup for host mode */
31 - struct clk *wk_deb_p0;
32 - struct clk *wk_deb_p1;
33 struct regmap *pericfg;
36 --- a/drivers/usb/mtu3/mtu3_host.c
37 +++ b/drivers/usb/mtu3/mtu3_host.c
38 @@ -79,20 +79,6 @@ int ssusb_wakeup_of_property_parse(struc
39 if (!ssusb->wakeup_en)
42 - ssusb->wk_deb_p0 = devm_clk_get(dev, "wakeup_deb_p0");
43 - if (IS_ERR(ssusb->wk_deb_p0)) {
44 - dev_err(dev, "fail to get wakeup_deb_p0\n");
45 - return PTR_ERR(ssusb->wk_deb_p0);
48 - if (of_property_read_bool(dn, "wakeup_deb_p1")) {
49 - ssusb->wk_deb_p1 = devm_clk_get(dev, "wakeup_deb_p1");
50 - if (IS_ERR(ssusb->wk_deb_p1)) {
51 - dev_err(dev, "fail to get wakeup_deb_p1\n");
52 - return PTR_ERR(ssusb->wk_deb_p1);
56 ssusb->pericfg = syscon_regmap_lookup_by_phandle(dn,
57 "mediatek,syscon-wakeup");
58 if (IS_ERR(ssusb->pericfg)) {
59 @@ -103,36 +89,6 @@ int ssusb_wakeup_of_property_parse(struc
63 -static int ssusb_wakeup_clks_enable(struct ssusb_mtk *ssusb)
67 - ret = clk_prepare_enable(ssusb->wk_deb_p0);
69 - dev_err(ssusb->dev, "failed to enable wk_deb_p0\n");
73 - ret = clk_prepare_enable(ssusb->wk_deb_p1);
75 - dev_err(ssusb->dev, "failed to enable wk_deb_p1\n");
82 - clk_disable_unprepare(ssusb->wk_deb_p0);
87 -static void ssusb_wakeup_clks_disable(struct ssusb_mtk *ssusb)
89 - clk_disable_unprepare(ssusb->wk_deb_p1);
90 - clk_disable_unprepare(ssusb->wk_deb_p0);
93 static void host_ports_num_get(struct ssusb_mtk *ssusb)
96 @@ -286,19 +242,14 @@ void ssusb_host_exit(struct ssusb_mtk *s
98 int ssusb_wakeup_enable(struct ssusb_mtk *ssusb)
102 - if (ssusb->wakeup_en) {
103 - ret = ssusb_wakeup_clks_enable(ssusb);
104 + if (ssusb->wakeup_en)
105 ssusb_wakeup_ip_sleep_en(ssusb);
112 void ssusb_wakeup_disable(struct ssusb_mtk *ssusb)
114 - if (ssusb->wakeup_en) {
115 + if (ssusb->wakeup_en)
116 ssusb_wakeup_ip_sleep_dis(ssusb);
117 - ssusb_wakeup_clks_disable(ssusb);