diff options
| author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2017-10-13 16:26:37 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-23 11:29:40 +0200 |
| commit | 603fbd15357d808ec24d0a7e5e0aaad9cc7fcd48 (patch) | |
| tree | 14dd4a27d259cd0b9f88005e0a16e7cb9f85c16d /drivers/usb/host | |
| parent | 55ba6e9e25a6e64c3e05f2d7bc1359719530fb6b (diff) | |
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>
Diffstat (limited to 'drivers/usb/host')
| -rw-r--r-- | drivers/usb/host/xhci-mtk.c | 33 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-mtk.h | 2 |
2 files changed, 0 insertions, 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 @@ ref_clk_err: 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; |