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| author | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2023-05-11 15:10:28 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-05-13 19:47:26 +0900 |
| commit | 33e3b0eb755074a870fd926ebd84de52e7302090 (patch) | |
| tree | 8e3412271d4d1dbd9cc391d127664b1896e287d5 /drivers/tty | |
| parent | b334214ea08d941af376fec853621d856b12bc81 (diff) | |
| download | linux-stable-33e3b0eb755074a870fd926ebd84de52e7302090.tar.gz linux-stable-33e3b0eb755074a870fd926ebd84de52e7302090.tar.bz2 linux-stable-33e3b0eb755074a870fd926ebd84de52e7302090.zip | |
serial: 8250_rt288x: Name non-standard divisor latch reg
Instead of a literal, add proper name for the non-standard divisor
latch register.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230511121029.13128-6-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/8250/8250_rt288x.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/tty/serial/8250/8250_rt288x.c b/drivers/tty/serial/8250/8250_rt288x.c index 51b1cf5476dd..b091a1269bfa 100644 --- a/drivers/tty/serial/8250/8250_rt288x.c +++ b/drivers/tty/serial/8250/8250_rt288x.c @@ -12,6 +12,8 @@ #include "8250.h" +#define RT288X_DL 0x28 + #define UART_REG_UNMAPPED -1 /* Au1x00/RT288x UART hardware has a weird register layout */ @@ -60,12 +62,12 @@ static void au_serial_out(struct uart_port *p, int offset, int value) /* Au1x00 haven't got a standard divisor latch */ static u32 au_serial_dl_read(struct uart_8250_port *up) { - return __raw_readl(up->port.membase + 0x28); + return __raw_readl(up->port.membase + RT288X_DL); } static void au_serial_dl_write(struct uart_8250_port *up, u32 value) { - __raw_writel(value, up->port.membase + 0x28); + __raw_writel(value, up->port.membase + RT288X_DL); } int au_platform_setup(struct plat_serial8250_port *p) |