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patch "usb: dwc3: pci: Set enblslpm quirk for Synopsys platforms" added to usb-next

PATCH [email protected] 1 participant 1 message Oct 23, 2015

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This is a note to let you know that I've just added the patch titled

usb: dwc3: pci: Set enblslpm quirk for Synopsys platforms

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 94218ee31ba56fb3a8625978b393124ad660408e Mon Sep 17 00:00:00 2001

From: John Youn <[email protected]>
Date: Fri, 2 Oct 2015 20:32:17 -0700
Subject: usb: dwc3: pci: Set enblslpm quirk for Synopsys platforms

Certain Synopsys prototyping PHY boards are not able to meet timings constraints for LPM. This allows the PHY to meet those timings by leaving the PHY clock running during suspend.

---
 drivers/usb/dwc3/dwc3-pci.c | 1 +
 1 file changed, 1 insertion(+)
drivers/usb/dwc3/dwc3-pci.c +1 -0
index 65165308a04f..77a622cb48ab 100644
@@ -118,6 +118,7 @@ static int dwc3_pci_quirks(struct pci_dev *pdev)
 		memset(&pdata, 0, sizeof(pdata));
 		pdata.usb3_lpm_capable = true;
 		pdata.has_lpm_erratum = true;
+		pdata.dis_enblslpm_quirk = true;
 
 		return platform_device_add_data(pci_get_drvdata(pdev), &pdata,
 						sizeof(pdata));
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