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authorHelmut Grohne <h.grohne@intenta.de>2018-06-04 12:22:19 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-06-28 21:23:44 +0900
commit34b6a3a91f87851bc0ea9e6776266f23d8acf388 (patch)
treeaa1b39953149548d4e087460e19b763d98263aad /drivers/tty/serial
parentde4ed391ae98fa378b563fe7baf04dfa525ab7fe (diff)
serial: xuartps: remove unnecessary register write
This writel writes the exact same value as the previous writel and is thus unnecessary. It accidentally became unnecessary in e3538c37ee38 ("tty: xuartps: Beautify read-modify writes"), but the new behaviour is now expected. Link: https://www.spinics.net/lists/linux-serial/msg23168.html Signed-off-by: Helmut Grohne <h.grohne@intenta.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial')
-rw-r--r--drivers/tty/serial/xilinx_uartps.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 5f040cee595c..a48f19b1b88f 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -1203,8 +1203,6 @@ static void cdns_uart_console_write(struct console *co, const char *s,
CDNS_UART_SR_TXEMPTY)
cpu_relax();
- writel(ctrl, port->membase + CDNS_UART_CR);
-
/* restore interrupt state */
writel(imr, port->membase + CDNS_UART_IER);