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serial: 8250_dw: Re-use temporary variable for of_node 

In couple of places we may re-use temporary variable instead of
dereferencing it. No functional changes intended.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211005134529.23256-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2021-10-05 16:45:28 +03:00 committed by Greg Kroah-Hartman
parent ebabb77a2a
commit 0946efc225
1 changed files with 6 additions and 3 deletions
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9
drivers/tty/serial/8250/8250_dw.c
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@ -393,8 +393,9 @@ static bool dw8250_idma_filter(struct dma_chan *chan, void *param)
static void dw8250_quirks(struct uart_port *p, struct dw8250_data *data)
{
if (p->dev->of_node) {
struct device_node *np = p->dev->of_node;
struct device_node *np = p->dev->of_node;
if (np) {
int id;
/* get index of serial line, if found in DT aliases */
@ -411,11 +412,13 @@ static void dw8250_quirks(struct uart_port *p, struct dw8250_data *data)
data->skip_autocfg = true;
}
#endif
if (of_device_is_big_endian(p->dev->of_node)) {
if (of_device_is_big_endian(np)) {
p->iotype = UPIO_MEM32BE;
p->serial_in = dw8250_serial_in32be;
p->serial_out = dw8250_serial_out32be;
}
if (of_device_is_compatible(np, "marvell,armada-38x-uart"))
p->serial_out = dw8250_serial_out38x;