From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@free-electrons.com (Maxime Ripard) Date: Tue, 19 Mar 2013 11:50:17 +0100 Subject: [PATCH 1/7] serial: 8250_dw: add support for clk api In-Reply-To: <1363689316-7847-2-git-send-email-maxime.ripard@free-electrons.com> References: <1363689316-7847-1-git-send-email-maxime.ripard@free-electrons.com> <1363689316-7847-2-git-send-email-maxime.ripard@free-electrons.com> Message-ID: <514842E9.401@free-electrons.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, Le 19/03/2013 11:35, Maxime Ripard a ?crit : > From: Emilio L?pez > > 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 L?pez > --- > 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 > #include > #include > +#include > > #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