diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/820-usb-0017-MLK-19153-2-usb-host-xhci-do-not-return-error-status.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/820-usb-0017-MLK-19153-2-usb-host-xhci-do-not-return-error-status.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/820-usb-0017-MLK-19153-2-usb-host-xhci-do-not-return-error-status.patch b/target/linux/layerscape/patches-5.4/820-usb-0017-MLK-19153-2-usb-host-xhci-do-not-return-error-status.patch new file mode 100644 index 0000000000..ba95233ea3 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/820-usb-0017-MLK-19153-2-usb-host-xhci-do-not-return-error-status.patch @@ -0,0 +1,39 @@ +From c1f9fa8de2548172a69f35aeb6a43daedac7cb30 Mon Sep 17 00:00:00 2001 +From: Peter Chen <peter.chen@nxp.com> +Date: Mon, 5 Mar 2018 09:13:26 +0800 +Subject: [PATCH] MLK-19153-2 usb: host: xhci: do not return error status for + URB + +Current XHCI implementation does not consider completion interrupt +for SETUP packet standalone, so it will show warning message +and return error status for URB. In fact, it can support it. In +this commit, we change warning message as debug message and set +status as zero for URB. + +Support completion interrupt for SETUP packet is needed for USB EH2.0 +SINGLE_STEP_SET_FEATURE Test. + +Acked-by: Jun Li <jun.li@nxp.com> +Signed-off-by: Peter Chen <peter.chen@nxp.com> +(cherry picked from commit 78b212e8c2e083f513610efdff60b58c986381de) +--- + drivers/usb/host/xhci-ring.c | 7 ++----- + 1 file changed, 2 insertions(+), 5 deletions(-) + +--- a/drivers/usb/host/xhci-ring.c ++++ b/drivers/usb/host/xhci-ring.c +@@ -2027,12 +2027,9 @@ static int process_ctrl_td(struct xhci_h + + switch (trb_comp_code) { + case COMP_SUCCESS: +- if (trb_type != TRB_STATUS) { +- xhci_warn(xhci, "WARN: Success on ctrl %s TRB without IOC set?\n", ++ if (trb_type != TRB_STATUS) ++ xhci_dbg(xhci, "Success on ctrl %s TRB without IOC set?\n", + (trb_type == TRB_DATA) ? "data" : "setup"); +- *status = -ESHUTDOWN; +- break; +- } + *status = 0; + break; + case COMP_SHORT_PACKET: |