On Tue, 2017-03-28 at 11:25 +0200, Helmut Klein wrote: > This patch gets the core clock as provided by the DT and enables it. > The code was taken from Amlogic's serial driver, and was tested on my > board. > > Signed-off-by: Helmut Klein <[email protected]> > --- > drivers/tty/serial/meson_uart.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c > index 60f16795d16b..cb99112288eb 100644 > --- a/drivers/tty/serial/meson_uart.c > +++ b/drivers/tty/serial/meson_uart.c > @@ -600,6 +600,7 @@ static int meson_uart_probe(struct platform_device *pdev) > struct resource *res_mem, *res_irq; > struct uart_port *port; > struct clk *clk; > + struct clk *core_clk; > int ret = 0; > > if (pdev->dev.of_node) > @@ -625,6 +626,15 @@ static int meson_uart_probe(struct platform_device *pdev) > if (!port) > return -ENOMEM; > > + core_clk = devm_clk_get(&pdev->dev, "core"); > + if (!IS_ERR(core_clk)) { > + ret = clk_prepare_enable(core_clk); > + if (ret) { > + dev_err(&pdev->dev, "couldn't enable clkc\n"); > + return ret; > + } > + } > + > clk = clk_get(&pdev->dev, NULL); Now that you have 2 clocks, shouldn't this be named as well ?
> if (IS_ERR(clk)) > return PTR_ERR(clk); > -- > 2.11.0 > > > _______________________________________________ > linux-amlogic mailing list > [email protected] > http://lists.infradead.org/mailman/listinfo/linux-amlogic
