From bd5dc09f557547399cd44d0a1224df7ff64e4a6b Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Wed, 23 Apr 2014 09:58:28 -0500 Subject: [PATCH] serial: fix UART_IIR_ID UART IRQ Identification bitfield is 3 bits long (bits 3:1) but current mask only masks 2 bits. Fix it. Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- include/uapi/linux/serial_reg.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/uapi/linux/serial_reg.h b/include/uapi/linux/serial_reg.h index e6322605b138..99b47058816a 100644 --- a/include/uapi/linux/serial_reg.h +++ b/include/uapi/linux/serial_reg.h @@ -32,7 +32,7 @@ #define UART_IIR 2 /* In: Interrupt ID Register */ #define UART_IIR_NO_INT 0x01 /* No interrupts pending */ -#define UART_IIR_ID 0x06 /* Mask for the interrupt ID */ +#define UART_IIR_ID 0x0e /* Mask for the interrupt ID */ #define UART_IIR_MSI 0x00 /* Modem status interrupt */ #define UART_IIR_THRI 0x02 /* Transmitter holding register empty */ #define UART_IIR_RDI 0x04 /* Receiver data interrupt */