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path: root/drivers/usb/host/ehci-hcd.c
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Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
-rw-r--r--drivers/usb/host/ehci-hcd.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 199b3a8b26..d1d8f08d98 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -409,9 +409,15 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
endpt = QH_ENDPT1_RL(8) | QH_ENDPT1_C(c) |
QH_ENDPT1_MAXPKTLEN(maxpacket) | QH_ENDPT1_H(0) |
QH_ENDPT1_DTC(QH_ENDPT1_DTC_DT_FROM_QTD) |
- QH_ENDPT1_EPS(ehci_encode_speed(dev->speed)) |
QH_ENDPT1_ENDPT(usb_pipeendpoint(pipe)) | QH_ENDPT1_I(0) |
QH_ENDPT1_DEVADDR(usb_pipedevice(pipe));
+
+ /* Force FS for fsl HS quirk */
+ if (!ctrl->has_fsl_erratum_a005275)
+ endpt |= QH_ENDPT1_EPS(ehci_encode_speed(dev->speed));
+ else
+ endpt |= QH_ENDPT1_EPS(ehci_encode_speed(QH_FULL_SPEED));
+
qh->qh_endpt1 = cpu_to_hc32(endpt);
endpt = QH_ENDPT2_MULT(1) | QH_ENDPT2_UFCMASK(0) | QH_ENDPT2_UFSMASK(0);
qh->qh_endpt2 = cpu_to_hc32(endpt);
@@ -832,6 +838,10 @@ static int ehci_submit_root(struct usb_device *dev, unsigned long pipe,
} else {
int ret;
+ /* Disable chirp for HS erratum */
+ if (ctrl->has_fsl_erratum_a005275)
+ reg |= PORTSC_FSL_PFSC;
+
reg |= EHCI_PS_PR;
reg &= ~EHCI_PS_PE;
ehci_writel(status_reg, reg);