[PATCH 04/13] serial: fix UART_IIR_ID

From: Felipe Balbi
Date: Wed Apr 23 2014 - 11:22:09 EST


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@xxxxxx>
---
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 e632260..99b4705 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 */
--
1.9.2.459.g68773ac

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