diff options
| author | Thinh Nguyen <Thinh.Nguyen@synopsys.com> | 2024-07-02 00:19:14 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-07-03 16:05:48 +0200 |
| commit | 179264157bbaf3d169b184160d0b5283f8a50e73 (patch) | |
| tree | c4013373d4a0999d4d9ebbcda283df0d6e9b94ad /drivers/usb/dwc3 | |
| parent | 62ce9ef1479729b1a3f8a1b19900e28d68b3625e (diff) | |
usb: dwc3: core: Check all ports when set phy suspend
The dwc3_enable_susphy() applies to all available ports. After the
introduction of multi-port in dwc3, we now know the number of ports. Go
through the phy suspend registers of each port to enable/disable phy
suspend in dwc3_enable_susphy().
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/31e18192c607dff0a7e5ca139dd5737d2224122a.1719879346.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/dwc3')
| -rw-r--r-- | drivers/usb/dwc3/core.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index cb82557678dd..ea6b1613152f 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -108,22 +108,27 @@ static int dwc3_get_dr_mode(struct dwc3 *dwc) void dwc3_enable_susphy(struct dwc3 *dwc, bool enable) { u32 reg; + int i; - reg = dwc3_readl(dwc->regs, DWC3_GUSB3PIPECTL(0)); - if (enable && !dwc->dis_u3_susphy_quirk) - reg |= DWC3_GUSB3PIPECTL_SUSPHY; - else - reg &= ~DWC3_GUSB3PIPECTL_SUSPHY; + for (i = 0; i < dwc->num_usb3_ports; i++) { + reg = dwc3_readl(dwc->regs, DWC3_GUSB3PIPECTL(i)); + if (enable && !dwc->dis_u3_susphy_quirk) + reg |= DWC3_GUSB3PIPECTL_SUSPHY; + else + reg &= ~DWC3_GUSB3PIPECTL_SUSPHY; - dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg); + dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(i), reg); + } - reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)); - if (enable && !dwc->dis_u2_susphy_quirk) - reg |= DWC3_GUSB2PHYCFG_SUSPHY; - else - reg &= ~DWC3_GUSB2PHYCFG_SUSPHY; + for (i = 0; i < dwc->num_usb2_ports; i++) { + reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(i)); + if (enable && !dwc->dis_u2_susphy_quirk) + reg |= DWC3_GUSB2PHYCFG_SUSPHY; + else + reg &= ~DWC3_GUSB2PHYCFG_SUSPHY; - dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); + dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(i), reg); + } } void dwc3_set_prtcap(struct dwc3 *dwc, u32 mode) |