diff options
| author | Tamseel Shams <m.shams@samsung.com> | 2024-02-20 15:42:27 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-03-02 22:04:05 +0100 |
| commit | b8a4ed3405d5f3f92a211ccc2579e54345bc3aeb (patch) | |
| tree | ff63d80a3da6791451f1e3d065fbb7c2dd1d2b07 /drivers/tty/serial/samsung_tty.c | |
| parent | f75a010dcba0270c403cb680a0c662293dd98a60 (diff) | |
| download | linux-stable-b8a4ed3405d5f3f92a211ccc2579e54345bc3aeb.tar.gz linux-stable-b8a4ed3405d5f3f92a211ccc2579e54345bc3aeb.tar.bz2 linux-stable-b8a4ed3405d5f3f92a211ccc2579e54345bc3aeb.zip | |
serial: samsung: honor fifosize from dts at first
Currently for platforms which passes UART fifosize from DT gets
override by local driver structure "s3c24xx_serial_drv_data",
which is not intended. Change the code to honor fifosize from
device tree at first.
Signed-off-by: Tamseel Shams <m.shams@samsung.com>
Link: https://lore.kernel.org/r/20240220101227.80741-1-m.shams@samsung.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/samsung_tty.c')
| -rw-r--r-- | drivers/tty/serial/samsung_tty.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c index 23cabdab44ff..a2d07e05c502 100644 --- a/drivers/tty/serial/samsung_tty.c +++ b/drivers/tty/serial/samsung_tty.c @@ -1951,7 +1951,7 @@ static int s3c24xx_serial_probe(struct platform_device *pdev) struct device_node *np = pdev->dev.of_node; struct s3c24xx_uart_port *ourport; int index = probe_index; - int ret, prop = 0; + int ret, prop = 0, fifosize_prop = 1; if (np) { ret = of_alias_get_id(np, "serial"); @@ -1991,8 +1991,8 @@ static int s3c24xx_serial_probe(struct platform_device *pdev) ourport->port.iotype = ourport->info->iotype; if (np) { - of_property_read_u32(np, - "samsung,uart-fifosize", &ourport->port.fifosize); + fifosize_prop = of_property_read_u32(np, "samsung,uart-fifosize", + &ourport->port.fifosize); if (of_property_read_u32(np, "reg-io-width", &prop) == 0) { switch (prop) { @@ -2010,10 +2010,13 @@ static int s3c24xx_serial_probe(struct platform_device *pdev) } } - if (ourport->drv_data->fifosize[index]) - ourport->port.fifosize = ourport->drv_data->fifosize[index]; - else if (ourport->info->fifosize) - ourport->port.fifosize = ourport->info->fifosize; + if (fifosize_prop) { + if (ourport->drv_data->fifosize[index]) + ourport->port.fifosize = ourport->drv_data->fifosize[index]; + else if (ourport->info->fifosize) + ourport->port.fifosize = ourport->info->fifosize; + } + ourport->port.has_sysrq = IS_ENABLED(CONFIG_SERIAL_SAMSUNG_CONSOLE); /* |