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serial: sirf: correct the fifo empty_bit
authorQipan Li <Qipan.Li@csr.com>
Tue, 26 May 2015 09:35:59 +0000 (09:35 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 31 May 2015 21:51:37 +0000 (06:51 +0900)
Signed-off-by: Qipan Li <Qipan.Li@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/sirfsoc_uart.h patch | blob | blame | history

diff --git a/drivers/tty/serial/sirfsoc_uart.h b/drivers/tty/serial/sirfsoc_uart.h
index 3ab3141e1aae0733907673b4878f4bb9a8ff2313..644f86529571034f9b6279b8e4ccfa74b115b938 100644 (file)
--- 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 = {