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Message-Id: <1414681129-10578-1-git-send-email-julien.chauveau@neo-technologies.fr> Date: Thu, 30 Oct 2014 15:58:49 +0100 From: Julien CHAUVEAU <julien.chauveau@...-technologies.fr> To: gregkh@...uxfoundation.org Cc: jslaby@...e.cz, linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org, Julien CHAUVEAU <julien.chauveau@...-technologies.fr> Subject: [PATCH] serial: 8250_dw: get index of serial line from DT aliases Get index of serial line from device tree using function of_alias_get_id(). If no alias is found, the 8250 core takes care of incrementing the line number. Signed-off-by: Julien CHAUVEAU <julien.chauveau@...-technologies.fr> --- drivers/tty/serial/8250/8250_dw.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index beea6ca..5416355 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -293,6 +293,11 @@ static int dw8250_probe_of(struct uart_port *p, if (!of_property_read_u32(np, "reg-shift", &val)) p->regshift = val; + /* get index of serial line, if found in DT aliases */ + val = of_alias_get_id(np, "serial"); + if (val >= 0) + p->line = val; + /* clock got configured through clk api, all done */ if (p->uartclk) return 0; -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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