mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-23 15:32:33 +00:00
ab7cabd09d
Compile-tested on: ramips/mt7621, x86/64. Run-tested on: ramips/mt7621. Signed-off-by: Stijn Segers <foss@volatilesystems.org>
120 lines
3.2 KiB
Diff
120 lines
3.2 KiB
Diff
From 50005796f146351dc9c34bbf8898b305c562e964 Mon Sep 17 00:00:00 2001
|
|
From: Chunfeng Yun <chunfeng.yun@mediatek.com>
|
|
Date: Fri, 13 Oct 2017 17:10:39 +0800
|
|
Subject: [PATCH 105/224] usb: mtu3: 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>
|
|
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
|
|
---
|
|
drivers/usb/mtu3/mtu3.h | 4 ----
|
|
drivers/usb/mtu3/mtu3_host.c | 57 ++++----------------------------------------
|
|
2 files changed, 4 insertions(+), 57 deletions(-)
|
|
|
|
--- a/drivers/usb/mtu3/mtu3.h
|
|
+++ b/drivers/usb/mtu3/mtu3.h
|
|
@@ -214,8 +214,6 @@ struct otg_switch_mtk {
|
|
* disable u3port0, bit1==1 to disable u3port1,... etc
|
|
* @dbgfs_root: only used when supports manual dual-role switch via debugfs
|
|
* @wakeup_en: it's true when supports remote wakeup in host mode
|
|
- * @wk_deb_p0: port0's wakeup debounce clock
|
|
- * @wk_deb_p1: it's optional, and depends on port1 is supported or not
|
|
*/
|
|
struct ssusb_mtk {
|
|
struct device *dev;
|
|
@@ -238,8 +236,6 @@ struct ssusb_mtk {
|
|
struct dentry *dbgfs_root;
|
|
/* usb wakeup for host mode */
|
|
bool wakeup_en;
|
|
- struct clk *wk_deb_p0;
|
|
- struct clk *wk_deb_p1;
|
|
struct regmap *pericfg;
|
|
};
|
|
|
|
--- a/drivers/usb/mtu3/mtu3_host.c
|
|
+++ b/drivers/usb/mtu3/mtu3_host.c
|
|
@@ -79,20 +79,6 @@ int ssusb_wakeup_of_property_parse(struc
|
|
if (!ssusb->wakeup_en)
|
|
return 0;
|
|
|
|
- ssusb->wk_deb_p0 = devm_clk_get(dev, "wakeup_deb_p0");
|
|
- if (IS_ERR(ssusb->wk_deb_p0)) {
|
|
- dev_err(dev, "fail to get wakeup_deb_p0\n");
|
|
- return PTR_ERR(ssusb->wk_deb_p0);
|
|
- }
|
|
-
|
|
- if (of_property_read_bool(dn, "wakeup_deb_p1")) {
|
|
- ssusb->wk_deb_p1 = devm_clk_get(dev, "wakeup_deb_p1");
|
|
- if (IS_ERR(ssusb->wk_deb_p1)) {
|
|
- dev_err(dev, "fail to get wakeup_deb_p1\n");
|
|
- return PTR_ERR(ssusb->wk_deb_p1);
|
|
- }
|
|
- }
|
|
-
|
|
ssusb->pericfg = syscon_regmap_lookup_by_phandle(dn,
|
|
"mediatek,syscon-wakeup");
|
|
if (IS_ERR(ssusb->pericfg)) {
|
|
@@ -103,36 +89,6 @@ int ssusb_wakeup_of_property_parse(struc
|
|
return 0;
|
|
}
|
|
|
|
-static int ssusb_wakeup_clks_enable(struct ssusb_mtk *ssusb)
|
|
-{
|
|
- int ret;
|
|
-
|
|
- ret = clk_prepare_enable(ssusb->wk_deb_p0);
|
|
- if (ret) {
|
|
- dev_err(ssusb->dev, "failed to enable wk_deb_p0\n");
|
|
- goto usb_p0_err;
|
|
- }
|
|
-
|
|
- ret = clk_prepare_enable(ssusb->wk_deb_p1);
|
|
- if (ret) {
|
|
- dev_err(ssusb->dev, "failed to enable wk_deb_p1\n");
|
|
- goto usb_p1_err;
|
|
- }
|
|
-
|
|
- return 0;
|
|
-
|
|
-usb_p1_err:
|
|
- clk_disable_unprepare(ssusb->wk_deb_p0);
|
|
-usb_p0_err:
|
|
- return -EINVAL;
|
|
-}
|
|
-
|
|
-static void ssusb_wakeup_clks_disable(struct ssusb_mtk *ssusb)
|
|
-{
|
|
- clk_disable_unprepare(ssusb->wk_deb_p1);
|
|
- clk_disable_unprepare(ssusb->wk_deb_p0);
|
|
-}
|
|
-
|
|
static void host_ports_num_get(struct ssusb_mtk *ssusb)
|
|
{
|
|
u32 xhci_cap;
|
|
@@ -286,19 +242,14 @@ void ssusb_host_exit(struct ssusb_mtk *s
|
|
|
|
int ssusb_wakeup_enable(struct ssusb_mtk *ssusb)
|
|
{
|
|
- int ret = 0;
|
|
-
|
|
- if (ssusb->wakeup_en) {
|
|
- ret = ssusb_wakeup_clks_enable(ssusb);
|
|
+ if (ssusb->wakeup_en)
|
|
ssusb_wakeup_ip_sleep_en(ssusb);
|
|
- }
|
|
- return ret;
|
|
+
|
|
+ return 0;
|
|
}
|
|
|
|
void ssusb_wakeup_disable(struct ssusb_mtk *ssusb)
|
|
{
|
|
- if (ssusb->wakeup_en) {
|
|
+ if (ssusb->wakeup_en)
|
|
ssusb_wakeup_ip_sleep_dis(ssusb);
|
|
- ssusb_wakeup_clks_disable(ssusb);
|
|
- }
|
|
}
|