Hi,
Le 19/03/2013 11:35, Maxime Ripard a écrit :
> From: Emilio López <emilio@xxxxxxxxxxxxx>
>
> This commit implements support for using the clk api; this lets us use
> the "clocks" property with device tree, instead of having to use
> clock-frequency.
>
> Signed-off-by: Emilio López <emilio@xxxxxxxxxxxxx>
> ---
> drivers/tty/serial/8250/8250_dw.c | 33 ++++++++++++++++++++++++---------
> 1 file changed, 24 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
> index db0e66f..3dedd24 100644
> --- a/drivers/tty/serial/8250/8250_dw.c
> +++ b/drivers/tty/serial/8250/8250_dw.c
> @@ -26,6 +26,7 @@
> #include <linux/platform_device.h>
> #include <linux/slab.h>
> #include <linux/acpi.h>
> +#include <linux/clk.h>
>
> #include "8250.h"
>
> @@ -55,8 +56,9 @@
>
>
> struct dw8250_data {
> - int last_lcr;
> - int line;
> + int last_lcr;
> + int line;
> + struct clk *clk;
> };
>
> static void dw8250_serial_out(struct uart_port *p, int offset, int value)
> @@ -136,8 +138,13 @@ static int dw8250_probe_of(struct uart_port *p)
> if (!of_property_read_u32(np, "reg-shift", &val))
> p->regshift = val;
>
> + /* clock got configured through clk api, all done */
> + if (IS_ERR(p->uartclk))
Hmm, I messed up here.
I'll resend a new version of this mail without this IS_ERR call
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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