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staging: dgnc: rephrase comment

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Rephrase comment to explain original intention of function.

CC: Lidza Louina <lidza.louina@gmail.com>
CC: Mark Hounschell <markh@compro.net>
Suggested-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Seunghun Lee <waydi1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Seunghun Lee 2014-07-31 22:30:32 +09:00 committed by Greg Kroah-Hartman
parent 578dc59f20
commit 83f053de12
1 changed files with 4 additions and 4 deletions
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8
drivers/staging/dgnc/dgnc_cls.c
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@ -1040,11 +1040,11 @@ static void cls_flush_uart_read(struct channel_t *ch)
* For complete POSIX compatibility, we should be purging the
* read FIFO in the UART here.
*
* However, doing the statement below also incorrectly flushes
* write data as well as just basically trashing the FIFO.
* However, clearing the read FIFO (UART_FCR_CLEAR_RCVR) also
* incorrectly flushes write data as well as just basically trashing the
* FIFO.
*
* I believe this is a BUG in this UART.
* So for now, we will leave the code #ifdef'ed out...
* Presumably, this is a bug in this UART.
*/
udelay(10);