From 711a37813ad9878232efa51e9c7e2bd875337b14 Mon Sep 17 00:00:00 2001 From: "Mychaela N. Falconia" Date: Fri, 2 Oct 2020 18:49:37 +0000 Subject: USB: serial: ftdi_sio: use cur_altsetting for consistency ftdi_determine_type() function had this construct in it to get the number of the interface it is operating on: inter = serial->interface->altsetting->desc.bInterfaceNumber; Elsewhere in this driver cur_altsetting is used instead for this purpose. Change ftdi_determine_type() to use cur_altsetting for consistency. Signed-off-by: Mychaela N. Falconia [ johan: fix old style issues; drop braces and random white space ] Signed-off-by: Johan Hovold --- drivers/usb/serial/ftdi_sio.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'drivers/usb/serial/ftdi_sio.c') diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 12a4b74ca1f4..e0f4c3d9649c 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1571,7 +1571,8 @@ static void ftdi_determine_type(struct usb_serial_port *port) dev_dbg(&port->dev, "%s: bcdDevice = 0x%x, bNumInterfaces = %u\n", __func__, version, interfaces); if (interfaces > 1) { - int inter; + struct usb_interface *intf = serial->interface; + int ifnum = intf->cur_altsetting->desc.bInterfaceNumber; /* Multiple interfaces.*/ if (version == 0x0800) { @@ -1586,16 +1587,15 @@ static void ftdi_determine_type(struct usb_serial_port *port) priv->chip_type = FT2232C; /* Determine interface code. */ - inter = serial->interface->altsetting->desc.bInterfaceNumber; - if (inter == 0) { + if (ifnum == 0) priv->interface = INTERFACE_A; - } else if (inter == 1) { + else if (ifnum == 1) priv->interface = INTERFACE_B; - } else if (inter == 2) { + else if (ifnum == 2) priv->interface = INTERFACE_C; - } else if (inter == 3) { + else if (ifnum == 3) priv->interface = INTERFACE_D; - } + /* BM-type devices have a bug where bcdDevice gets set * to 0x200 when iSerialNumber is 0. */ if (version < 0x500) { -- cgit