patch "usb: dwc3: Add dis_enblslpm_quirk" added to usb-next
Subsystems (4)
This is a note to let you know that I've just added the patch titled
usb: dwc3: Add dis_enblslpm_quirk
to my usb git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
in the usb-next branch.
The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.)
The patch will also be merged in the next major kernel release during the merge window.
If you have any questions about this process, please let me know.
Quoted 1 line
From
ec791d149bca4511e7d3a6a92bb3b030c5a443f9Mon Sep 17 00:00:00 2001
From: John Youn <[email protected]>
Date: Fri, 2 Oct 2015 20:30:57 -0700
Subject: usb: dwc3: Add dis_enblslpm_quirk
Add a quirk to clear the GUSB2PHYCFG.ENBLSLPM bit, which controls whether the PHY receives the suspend signal from the controller.
Cc <[email protected]> # v3.18+
Signed-off-by John Youn <[email protected]>
Signed-off-by Felipe Balbi <[email protected]>
--- Documentation/devicetree/bindings/usb/dwc3.txt | 2 ++ drivers/usb/dwc3/core.c | 6 ++++++ drivers/usb/dwc3/core.h | 4 ++++ drivers/usb/dwc3/platform_data.h | 1 + 4 files changed, 13 insertions(+)
Documentation/devicetree/bindings/usb/dwc3.txt +2 -0
@@ -35,6 +35,8 @@ Optional properties: LTSSM during USB3 Compliance mode. - snps,dis_u3_susphy_quirk: when set core will disable USB3 suspend phy. - snps,dis_u2_susphy_quirk: when set core will disable USB2 suspend phy. + - snps,dis_enblslpm_quirk: when set clears the enblslpm in GUSB2PHYCFG, + disabling the suspend signal to the PHY. - snps,is-utmi-l1-suspend: true when DWC3 asserts output signal utmi_l1_suspend_n, false when asserts utmi_sleep_n - snps,hird-threshold: HIRD threshold
drivers/usb/dwc3/core.c +6 -0
@@ -515,6 +515,9 @@ static int dwc3_phy_setup(struct dwc3 *dwc)if (dwc->dis_u2_susphy_quirk) reg &= ~DWC3_GUSB2PHYCFG_SUSPHY ; +if (dwc->dis_enblslpm_quirk) + reg &= ~DWC3_GUSB2PHYCFG_ENBLSLPM ; +dwc3_writel (dwc->regs,DWC3_GUSB2PHYCFG (0 ), reg);return 0 ;
@@ -912,6 +915,8 @@ static int dwc3_probe(struct platform_device *pdev) "snps,dis_u3_susphy_quirk"); dwc->dis_u2_susphy_quirk =device_property_read_bool (dev,"snps,dis_u2_susphy_quirk" ); + dwc->dis_enblslpm_quirk =device_property_read_bool (dev, +"snps,dis_enblslpm_quirk" ); dwc->tx_de_emphasis_quirk =device_property_read_bool (dev,"snps,tx_de_emphasis_quirk" );
@@ -945,6 +950,7 @@ static int dwc3_probe(struct platform_device *pdev) dwc->rx_detect_poll_quirk = pdata->rx_detect_poll_quirk; dwc->dis_u3_susphy_quirk = pdata->dis_u3_susphy_quirk; dwc->dis_u2_susphy_quirk = pdata->dis_u2_susphy_quirk; + dwc->dis_enblslpm_quirk = pdata->dis_enblslpm_quirk; dwc->tx_de_emphasis_quirk = pdata->tx_de_emphasis_quirk;if (pdata->tx_de_emphasis)
drivers/usb/dwc3/core.h +4 -0
@@ -179,6 +179,7 @@#define DWC3_GUSB2PHYCFG_PHYSOFTRST (1 << 31)#define DWC3_GUSB2PHYCFG_SUSPHY (1 << 6)#define DWC3_GUSB2PHYCFG_ULPI_UTMI (1 << 4) +#define DWC3_GUSB2PHYCFG_ENBLSLPM (1 << 8)/* Global USB2 PHY Vendor Control Register */ #define DWC3_GUSB2PHYACC_NEWREGREQ (1 << 25)
@@ -720,6 +721,8 @@ struct dwc3_scratchpad_array {* @rx_detect_poll_quirk: set if we enable rx_detect to polling lfps quirk * @dis_u3_susphy_quirk: set if we disable usb3 suspend phy * @dis_u2_susphy_quirk: set if we disable usb2 suspend phy +* @dis_enblslpm_quirk: set if we clear enblslpm in GUSB2PHYCFG, +* disabling the suspend signal to the PHY. * @tx_de_emphasis_quirk: set if we enable Tx de-emphasis quirk * @tx_de_emphasis: Tx de-emphasis value * 0 - -6dB de-emphasis
@@ -864,6 +867,7 @@ struct dwc3 { unsigned rx_detect_poll_quirk:1; unsigned dis_u3_susphy_quirk:1; unsigned dis_u2_susphy_quirk:1; + unsigned dis_enblslpm_quirk:1; unsigned tx_de_emphasis_quirk:1; unsigned tx_de_emphasis:2;
drivers/usb/dwc3/platform_data.h +1 -0
@@ -42,6 +42,7 @@ struct dwc3_platform_data { unsigned rx_detect_poll_quirk:1; unsigned dis_u3_susphy_quirk:1; unsigned dis_u2_susphy_quirk:1; + unsigned dis_enblslpm_quirk:1; unsigned tx_de_emphasis_quirk:1; unsigned tx_de_emphasis:2;
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2.6.1