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serial: sh-sci: Improve type-safety calling sci_receive_chars() 

While ptr and port both point to the uart_port structure, the former is
the untyped pointer cookie passed to interrupt handlers.
Use the correctly typed port variable instead, to improve type-safety.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Geert Uytterhoeven 2018-11-07 14:37:31 +01:00 committed by Greg Kroah-Hartman
parent 651022382c
commit ed8c8e1ecc
1 changed files with 2 additions and 2 deletions
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4
drivers/tty/serial/sh-sci.c
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@ -1693,7 +1693,7 @@ static irqreturn_t sci_rx_interrupt(int irq, void *ptr)
* of whether the I_IXOFF is set, otherwise, how is the interrupt
* to be disabled?
*/
sci_receive_chars(ptr);
sci_receive_chars(port);
return IRQ_HANDLED;
}
@ -1749,7 +1749,7 @@ static irqreturn_t sci_er_interrupt(int irq, void *ptr)
} else {
sci_handle_fifo_overrun(port);
if (!s->chan_rx)
sci_receive_chars(ptr);
sci_receive_chars(port);
}
sci_clear_SCxSR(port, SCxSR_ERROR_CLEAR(port));