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serial: sirf: correct the fifo empty_bit

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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>
This commit is contained in:
Qipan Li 2015-05-26 09:35:59 +00:00 committed by Greg Kroah-Hartman
parent 326707ed88
commit 86459b0e40
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/sirfsoc_uart.h
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@ -117,7 +117,7 @@ u32 uart_usp_ff_empty_mask(struct uart_port *port)
{ {
u32 empty_bit; u32 empty_bit;
empty_bit = ilog2(port->fifosize); empty_bit = ilog2(port->fifosize) + 1;
return (1 << empty_bit); return (1 << empty_bit);
} }
struct sirfsoc_uart_register sirfsoc_usp = { struct sirfsoc_uart_register sirfsoc_usp = {