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120 lines
3.2 KiB
Diff
120 lines
3.2 KiB
Diff
From 50005796f146351dc9c34bbf8898b305c562e964 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 17:10:39 +0800
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Subject: [PATCH 105/224] usb: mtu3: 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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Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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---
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drivers/usb/mtu3/mtu3.h | 4 ----
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drivers/usb/mtu3/mtu3_host.c | 57 ++++----------------------------------------
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2 files changed, 4 insertions(+), 57 deletions(-)
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--- a/drivers/usb/mtu3/mtu3.h
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+++ b/drivers/usb/mtu3/mtu3.h
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@@ -214,8 +214,6 @@ struct otg_switch_mtk {
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* disable u3port0, bit1==1 to disable u3port1,... etc
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* @dbgfs_root: only used when supports manual dual-role switch via debugfs
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* @wakeup_en: it's true when supports remote wakeup in host mode
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- * @wk_deb_p0: port0's wakeup debounce clock
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- * @wk_deb_p1: it's optional, and depends on port1 is supported or not
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*/
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struct ssusb_mtk {
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struct device *dev;
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@@ -238,8 +236,6 @@ struct ssusb_mtk {
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struct dentry *dbgfs_root;
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/* usb wakeup for host mode */
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bool wakeup_en;
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- struct clk *wk_deb_p0;
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- struct clk *wk_deb_p1;
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struct regmap *pericfg;
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};
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--- a/drivers/usb/mtu3/mtu3_host.c
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+++ b/drivers/usb/mtu3/mtu3_host.c
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@@ -79,20 +79,6 @@ int ssusb_wakeup_of_property_parse(struc
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if (!ssusb->wakeup_en)
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return 0;
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- ssusb->wk_deb_p0 = devm_clk_get(dev, "wakeup_deb_p0");
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- if (IS_ERR(ssusb->wk_deb_p0)) {
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- dev_err(dev, "fail to get wakeup_deb_p0\n");
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- return PTR_ERR(ssusb->wk_deb_p0);
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- }
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-
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- if (of_property_read_bool(dn, "wakeup_deb_p1")) {
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- ssusb->wk_deb_p1 = devm_clk_get(dev, "wakeup_deb_p1");
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- if (IS_ERR(ssusb->wk_deb_p1)) {
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- dev_err(dev, "fail to get wakeup_deb_p1\n");
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- return PTR_ERR(ssusb->wk_deb_p1);
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- }
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- }
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-
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ssusb->pericfg = syscon_regmap_lookup_by_phandle(dn,
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"mediatek,syscon-wakeup");
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if (IS_ERR(ssusb->pericfg)) {
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@@ -103,36 +89,6 @@ int ssusb_wakeup_of_property_parse(struc
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return 0;
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}
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-static int ssusb_wakeup_clks_enable(struct ssusb_mtk *ssusb)
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-{
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- int ret;
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-
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- ret = clk_prepare_enable(ssusb->wk_deb_p0);
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- if (ret) {
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- dev_err(ssusb->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(ssusb->wk_deb_p1);
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- if (ret) {
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- dev_err(ssusb->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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-
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-usb_p1_err:
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- clk_disable_unprepare(ssusb->wk_deb_p0);
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-usb_p0_err:
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- return -EINVAL;
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-}
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-
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-static void ssusb_wakeup_clks_disable(struct ssusb_mtk *ssusb)
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-{
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- clk_disable_unprepare(ssusb->wk_deb_p1);
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- clk_disable_unprepare(ssusb->wk_deb_p0);
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-}
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-
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static void host_ports_num_get(struct ssusb_mtk *ssusb)
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{
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u32 xhci_cap;
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@@ -286,19 +242,14 @@ void ssusb_host_exit(struct ssusb_mtk *s
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int ssusb_wakeup_enable(struct ssusb_mtk *ssusb)
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{
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- int ret = 0;
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-
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- if (ssusb->wakeup_en) {
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- ret = ssusb_wakeup_clks_enable(ssusb);
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+ if (ssusb->wakeup_en)
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ssusb_wakeup_ip_sleep_en(ssusb);
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- }
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- return ret;
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+
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+ return 0;
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}
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void ssusb_wakeup_disable(struct ssusb_mtk *ssusb)
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{
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- if (ssusb->wakeup_en) {
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+ if (ssusb->wakeup_en)
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ssusb_wakeup_ip_sleep_dis(ssusb);
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- ssusb_wakeup_clks_disable(ssusb);
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- }
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}
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