This is already present in staging-next (see [1] and [2]) [1] https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git/commit/drivers/staging/wilc1000?h=staging-next&id=8692b047e86cff448af1564a8bdda770d2deb567 [2] https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git/commit/drivers/staging/wilc1000?h=staging-next&id=ae8779e1983d6361620f1f6d3f76064edee733c0 On 16.09.2019 22:37, Adham.Abozaeid@xxxxxxxxxxxxx wrote: > External E-Mail > > > From: Adham Abozaeid <adham.abozaeid@xxxxxxxxxxxxx> > > If rtc_clk is provided from DT, use it and enable it. > This is optional. > The signal may be hardcoded and no need to be requested, > but if DT provides it, use it. > > Signed-off-by: Adham Abozaeid <adham.abozaeid@xxxxxxxxxxxxx> > --- > drivers/staging/wilc1000/wilc_spi.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/drivers/staging/wilc1000/wilc_spi.c b/drivers/staging/wilc1000/wilc_spi.c > index 3c1ae9e9f9aa..166455a969bf 100644 > --- a/drivers/staging/wilc1000/wilc_spi.c > +++ b/drivers/staging/wilc1000/wilc_spi.c > @@ -4,6 +4,7 @@ > * All rights reserved. > */ > > +#include <linux/clk.h> > #include <linux/spi/spi.h> > > #include "wilc_wfi_netdevice.h" > @@ -132,6 +133,12 @@ static int wilc_bus_probe(struct spi_device *spi) > wilc->bus_data = spi_priv; > wilc->gpio_irq = gpio; > > + wilc->rtc_clk = devm_clk_get(&spi->dev, "rtc_clk"); > + if (PTR_ERR_OR_ZERO(wilc->rtc_clk) == -EPROBE_DEFER) > + return -EPROBE_DEFER; > + else if (!IS_ERR(wilc->rtc_clk)) > + clk_prepare_enable(wilc->rtc_clk); > + > return 0; > } > > @@ -142,6 +149,10 @@ static int wilc_bus_remove(struct spi_device *spi) > /* free the GPIO in module remove */ > if (wilc->gpio_irq) > gpiod_put(wilc->gpio_irq); > + > + if (!IS_ERR(wilc->rtc_clk)) > + clk_disable_unprepare(wilc->rtc_clk); > + > wilc_netdev_cleanup(wilc); > return 0; > } > _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
