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[2/3] serial: sirf: correct the fifo empty_bit

Message ID 1432632960-19748-2-git-send-email-21cnbao@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Barry Song May 26, 2015, 9:35 a.m. UTC 
From: Qipan Li <Qipan.Li@csr.com>

Signed-off-by: Qipan Li <Qipan.Li@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
---
 drivers/tty/serial/sirfsoc_uart.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/tty/serial/sirfsoc_uart.h b/drivers/tty/serial/sirfsoc_uart.h
index 3ab3141..644f865 100644
--- a/drivers/tty/serial/sirfsoc_uart.h
+++ b/drivers/tty/serial/sirfsoc_uart.h
@@ -117,7 +117,7 @@  u32 uart_usp_ff_empty_mask(struct uart_port *port)
 {
 	u32 empty_bit;
 
-	empty_bit = ilog2(port->fifosize);
+	empty_bit = ilog2(port->fifosize) + 1;
 	return (1 << empty_bit);
 }
 struct sirfsoc_uart_register sirfsoc_usp = {