USB: serial: xr: fix CSIZE handling

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The XR21V141X does not have a 5- or 6-bit mode, but the current
implementation failed to properly restore the old setting when CS5 or
CS6 was requested. Instead an invalid request would be sent to the
device.

Fixes: c2d405aa86 ("USB: serial: add MaxLinear/Exar USB to Serial driver")
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Cc: stable@vger.kernel.org	# 5.12
Signed-off-by: Johan Hovold <johan@kernel.org>

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Johan Hovold 2021-03-30 16:37:16 +02:00

parent 315e2811f5

commit ea7ada4de2

1 changed files with 5 additions and 0 deletions

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drivers/usb/serial/xr_serial.c

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