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| author | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2022-06-24 23:54:21 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-06-27 14:41:31 +0200 |
| commit | e23ee9d2c4ccb08fdfee3aea0a04a27bccd77433 (patch) | |
| tree | e39c1af1395e118adcaafa528da616d288825e74 | |
| parent | fddbab7b40b34d204c4dfa7c6a62e5f7c1920e98 (diff) | |
| download | lwn-e23ee9d2c4ccb08fdfee3aea0a04a27bccd77433.tar.gz lwn-e23ee9d2c4ccb08fdfee3aea0a04a27bccd77433.zip | |
serial: Use bits for UART_LSR_BRK_ERROR_BITS/MSR_ANY_DELTA
Instead of listing the bits for UART_LSR_BRK_ERROR_BITS and
UART_MSR_ANY_DELTA in comment, use them to define instead.
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220624205424.12686-4-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | include/uapi/linux/serial_reg.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/uapi/linux/serial_reg.h b/include/uapi/linux/serial_reg.h index f51bc8f36813..bab3b39266cc 100644 --- a/include/uapi/linux/serial_reg.h +++ b/include/uapi/linux/serial_reg.h @@ -139,7 +139,7 @@ #define UART_LSR_PE 0x04 /* Parity error indicator */ #define UART_LSR_OE 0x02 /* Overrun error indicator */ #define UART_LSR_DR 0x01 /* Receiver data ready */ -#define UART_LSR_BRK_ERROR_BITS 0x1E /* BI, FE, PE, OE bits */ +#define UART_LSR_BRK_ERROR_BITS (UART_LSR_BI|UART_LSR_FE|UART_LSR_PE|UART_LSR_OE) #define UART_MSR 6 /* In: Modem Status Register */ #define UART_MSR_DCD 0x80 /* Data Carrier Detect */ @@ -150,7 +150,7 @@ #define UART_MSR_TERI 0x04 /* Trailing edge ring indicator */ #define UART_MSR_DDSR 0x02 /* Delta DSR */ #define UART_MSR_DCTS 0x01 /* Delta CTS */ -#define UART_MSR_ANY_DELTA 0x0F /* Any of the delta bits! */ +#define UART_MSR_ANY_DELTA (UART_MSR_DDCD|UART_MSR_TERI|UART_MSR_DDSR|UART_MSR_DCTS) #define UART_SCR 7 /* I/O: Scratch Register */ |