diff options
| author |   Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2021-10-05 16:45:28 +0300 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-10 15:22:06 +0200 |
| commit | 0946efc2255feed04803b811bbcbccbaba4e5a91 (patch) | |
| tree | 7538c62a67dba063cf7d8743558ffe151f491c0f /drivers/tty/serial/8250/8250_dw.c | |
| parent | serial: 8250_dw: Drop wrong use of ACPI_PTR() (diff) | |
| download | linux-dev-0946efc2255feed04803b811bbcbccbaba4e5a91.tar.xz linux-dev-0946efc2255feed04803b811bbcbccbaba4e5a91.zip | |
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>
Diffstat (limited to 'drivers/tty/serial/8250/8250_dw.c')
| -rw-r--r-- | drivers/tty/serial/8250/8250_dw.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index 49559731bbcf..cc91cb0ce08f 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -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; |