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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 <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Felipe Balbi 11 years ago
parent
6bf789672e
commit
bd5dc09f55
1 changed files with 1 additions and 1 deletions
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  1. 1 1
      include/uapi/linux/serial_reg.h

+ 1 - 1
include/uapi/linux/serial_reg.h
View File 

@@ -32,7 +32,7 @@
 
 
 
 #define UART_IIR	2	/* In:  Interrupt ID Register */
 
 #define UART_IIR	2	/* In:  Interrupt ID Register */
 
 #define UART_IIR_NO_INT		0x01 /* No interrupts pending */
 
 #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_MSI		0x00 /* Modem status interrupt */
 
 #define UART_IIR_THRI		0x02 /* Transmitter holding register empty */
 
 #define UART_IIR_THRI		0x02 /* Transmitter holding register empty */
 
 #define UART_IIR_RDI		0x04 /* Receiver data interrupt */
 
 #define UART_IIR_RDI		0x04 /* Receiver data interrupt */