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serial: atmel_serial: include circ_buf.h

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atmel_uart_port::rx_ring is defined as struct circ_buf, but circ_buf.h
is not included explicitly in atmel_serial.c. It is included only
implicitly via serial_core.h. Fix this as serial_core.h might not
include that header in the future.

Signed-off-by:Jiri Slaby <jslaby@suse.cz>

Cc: Richard Genoud <richard.genoud@gmail.com>
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
Acked-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Link: https://lore.kernel.org/r/20220124071430.14907-3-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby
2022-01-24 08:14:21 +01:00
committed by Greg Kroah-Hartman
parent 15dc475bcc
commit 702d10a089
1 changed files with 1 additions and 0 deletions
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1
drivers/tty/serial/atmel_serial.c
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@@ -8,6 +8,7 @@
*
* DMA support added by Chip Coldwell.
*/
#include <linux/circ_buf.h>
#include <linux/tty.h>
#include <linux/ioport.h>
#include <linux/slab.h>