Merge tag 'usb-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/PHY updates from Greg KH:
 "Here is the big USB/PHY driver pull request for 5.1-rc1.

  The usual set of gadget driver updates, phy driver updates, xhci
  updates, and typec additions. Also included in here are a lot of small
  cleanups and fixes and driver updates where needed.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (167 commits)
  wusb: Remove unnecessary static function ckhdid_printf
  usb: core: make default autosuspend delay configurable
  usb: core: Fix typo in description of "authorized_default"
  usb: chipidea: Refactor USB PHY selection and keep a single PHY
  usb: chipidea: Grab the (legacy) USB PHY by phandle first
  usb: chipidea: imx: set power polarity
  dt-bindings: usb: ci-hdrc-usb2: add property power-active-high
  usb: chipidea: imx: remove unused header files
  usb: chipidea: tegra: Fix missed ci_hdrc_remove_device()
  usb: core: add option of only authorizing internal devices
  usb: typec: tps6598x: handle block writes separately with plain-I2C adapters
  usb: xhci: Fix for Enabling USB ROLE SWITCH QUIRK on INTEL_SUNRISEPOINT_LP_XHCI
  usb: xhci: fix build warning - missing prototype
  usb: xhci: dbc: Fixing typo error.
  usb: xhci: remove unused member 'parent' in xhci_regset struct
  xhci: tegra: Prevent error pointer dereference
  USB: serial: option: add Telit ME910 ECM composition
  usb: core: Replace hardcoded check with inline function from usb.h
  usb: core: skip interfaces disabled in devicetree
  usb: typec: mux: remove redundant check on variable match
  ...

1 files changed, 0 insertions, 26 deletions

diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c
index 76c718ac8c78..257efacf3551 100644
--- a/drivers/usb/misc/ftdi-elan.c
+++ b/drivers/usb/misc/ftdi-elan.c
@@ -915,7 +915,6 @@ static int ftdi_elan_respond_engine(struct usb_ftdi *ftdi)
 	int bytes_read = 0;
 	int retry_on_empty = 1;
 	int retry_on_timeout = 3;
-	int empty_packets = 0;
 read:{
 		int packet_bytes = 0;
 		int retval = usb_bulk_msg(ftdi->udev,
@@ -960,31 +959,6 @@ read:{
 			dev_err(&ftdi->udev->dev, "error = %d with packet_bytes = %d with total %d bytes%s\n",
 				retval, packet_bytes, bytes_read, diag);
 			return retval;
-		} else if (packet_bytes == 2) {
-			unsigned char s0 = ftdi->bulk_in_buffer[0];
-			unsigned char s1 = ftdi->bulk_in_buffer[1];
-			empty_packets += 1;
-			if (s0 == 0x31 && s1 == 0x60) {
-				if (retry_on_empty-- > 0) {
-					goto more;
-				} else
-					return 0;
-			} else if (s0 == 0x31 && s1 == 0x00) {
-				if (retry_on_empty-- > 0) {
-					goto more;
-				} else
-					return 0;
-			} else {
-				if (retry_on_empty-- > 0) {
-					goto more;
-				} else
-					return 0;
-			}
-		} else if (packet_bytes == 1) {
-			if (retry_on_empty-- > 0) {
-				goto more;
-			} else
-				return 0;
 		} else {
 			if (retry_on_empty-- > 0) {
 				goto more;