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Revert "pl2303: simplify the else-if contruct for type_1 chips in pl2303_startup()"

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This reverts commit 73b583af59.

Revert all of the pl2303 changes that went into 3.12-rc1 and -rc2 as
they cause regressions on some versions of the chip.  This will all be
revisited for later kernel versions when we can figure out how to handle
this in a way that does not break working devices.

Reported-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Frank Schäfer <fschaefer.oss@googlemail.com>
Acked-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2013-11-01 09:18:10 -07:00
parent b52e111363
commit 281393ad0b
1 changed files with 3 additions and 2 deletions
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5
drivers/usb/serial/pl2303.c
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@ -193,8 +193,9 @@ static int pl2303_startup(struct usb_serial *serial)
type = type_0;
else if (serial->dev->descriptor.bMaxPacketSize0 == 0x40)
type = HX;
else if (serial->dev->descriptor.bDeviceClass == 0x00
|| serial->dev->descriptor.bDeviceClass == 0xFF)
else if (serial->dev->descriptor.bDeviceClass == 0x00)
type = type_1;
else if (serial->dev->descriptor.bDeviceClass == 0xFF)
type = type_1;
dev_dbg(&serial->interface->dev, "device type: %d\n", type);