Since the transition to hrtimers, the calculation does not involve jiffies any longer, which has led to confusion. State the times in ms instead. Signed-off-by: Ulrich Hecht <uli+renesas@xxxxxxxx> --- drivers/tty/serial/sh-sci.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index e3af97a59856..c4ce4cd120ba 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -2613,11 +2613,11 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios, * Calculate delay for 2 DMA buffers (4 FIFO). * See serial_core.c::uart_update_timeout(). * With 10 bits (CS8), 250Hz, 115200 baud and 64 bytes FIFO, the above - * function calculates 1 jiffie for the data plus 5 jiffies for the - * "slop(e)." Then below we calculate 5 jiffies (20ms) for 2 DMA - * buffers (4 FIFO sizes), but when performing a faster transfer, the - * value obtained by this formula is too small. Therefore, if the value - * is smaller than 20ms, use 20ms as the timeout value for DMA. + * function calculates 4ms for the data plus 20ms for the "slop(e)." + * Then below we calculate 20ms for 2 DMA buffers (4 FIFO sizes), + * but when performing a faster transfer, the value obtained by this + * formula is too small. Therefore, if the value is smaller than + * 20ms, use 20ms as the timeout value for DMA. */ s->rx_frame = (10000 * bits) / (baud / 100); #ifdef CONFIG_SERIAL_SH_SCI_DMA -- 2.20.1
