Tony Lindgren 4feb7a4a12 n_gsm: Constify u8 and unsigned char usage
In order to prepare for adding serdev driver support, let's constify
the use of u8 and unsigned char for n_gsm.

Note that gsm_control_modem() gsm_control_rls() read the data for tty
control characters and then call gsm_control_reply() that allocates a
new reply and copies the data.

Cc: linux-serial@vger.kernel.org
Cc: Alan Cox <alan@llwyncelyn.cymru>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Johan Hovold <johan@kernel.org>
Cc: Peter Hurley <peter@hurleysoftware.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-01-18 12:57:40 +01:00
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