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| author | Johan Hovold <johan@kernel.org> | 2021-05-19 11:25:41 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-20 16:24:05 +0200 |
| commit | 18ee37e1382a7c4840e753bc8e9ba5fd5dc663f5 (patch) | |
| tree | a361047c9b6ecd2081b5e415cb461a17b684d86f /drivers/tty/serial/xilinx_uartps.c | |
| parent | 1d751b04a49dd7c2c7a07388074d262225f4de74 (diff) | |
| download | linux-stable-18ee37e1382a7c4840e753bc8e9ba5fd5dc663f5.tar.gz linux-stable-18ee37e1382a7c4840e753bc8e9ba5fd5dc663f5.tar.bz2 linux-stable-18ee37e1382a7c4840e753bc8e9ba5fd5dc663f5.zip | |
serial: drop irq-flags initialisations
There's no need to initialise irq-flags variables before saving the
interrupt state.
Drop the redundant initialisations from drivers that got this wrong.
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210519092541.10137-1-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/xilinx_uartps.c')
| -rw-r--r-- | drivers/tty/serial/xilinx_uartps.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c index 67a2db621e2b..9bca52ffd84d 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -497,8 +497,8 @@ static int cdns_uart_clk_notifier_cb(struct notifier_block *nb, struct uart_port *port; int locked = 0; struct clk_notifier_data *ndata = data; - unsigned long flags = 0; struct cdns_uart *cdns_uart = to_cdns_uart(nb); + unsigned long flags; port = cdns_uart->port; if (port->suspended) @@ -1210,7 +1210,7 @@ static void cdns_uart_console_write(struct console *co, const char *s, unsigned int count) { struct uart_port *port = console_port; - unsigned long flags = 0; + unsigned long flags; unsigned int imr, ctrl; int locked = 1; @@ -1308,7 +1308,7 @@ static int cdns_uart_suspend(struct device *device) may_wake = device_may_wakeup(device); if (console_suspend_enabled && uart_console(port) && may_wake) { - unsigned long flags = 0; + unsigned long flags; spin_lock_irqsave(&port->lock, flags); /* Empty the receive FIFO 1st before making changes */ @@ -1339,7 +1339,7 @@ static int cdns_uart_resume(struct device *device) { struct uart_port *port = dev_get_drvdata(device); struct cdns_uart *cdns_uart = port->private_data; - unsigned long flags = 0; + unsigned long flags; u32 ctrl_reg; int may_wake; |