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Date: Fri, 15 Apr 2016 10:29:53 +0800 From: Kefeng Wang <wangkefeng.wang@...wei.com> To: qiujiang <qiujiang@...wei.com>, <linus.walleij@...aro.org>, <gnurou@...il.com> CC: <linux-acpi@...r.kernel.org>, <charles.chenxin@...wei.com>, <linux-kernel@...r.kernel.org>, <linuxarm@...wei.com>, <linux-gpio@...r.kernel.org>, <andy.shevchenko@...il.com>, <jamie@...ieiles.com>, <mika.westerberg@...ux.intel.com>, <delicious.quinoa@...il.com> Subject: Re: [PATCH v7 2/3] gpio: dwapb: convert device node to fwnode On 2016/4/6 15:07, qiujiang wrote: > This patch converts device node to fwnode for dwapb driver, so > as to provide a unified fwnode for DT and ACPI bindings. > > Acked-by: Andy Shevchenko <andy.shevchenko@...il.com> > Signed-off-by: qiujiang <qiujiang@...wei.com> > --- > drivers/gpio/gpio-dwapb.c | 37 ++++++++++++++++---------------- > drivers/mfd/intel_quark_i2c_gpio.c | 2 +- > include/linux/platform_data/gpio-dwapb.h | 2 +- > 3 files changed, 20 insertions(+), 21 deletions(-) > > diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c > index 91afec8..3c4d8e6 100644 > --- a/drivers/gpio/gpio-dwapb.c > +++ b/drivers/gpio/gpio-dwapb.c > @@ -22,6 +22,7 @@ > #include <linux/of_address.h> > #include <linux/of_irq.h> > #include <linux/platform_device.h> > +#include <linux/property.h> > #include <linux/spinlock.h> > #include <linux/platform_data/gpio-dwapb.h> > #include <linux/slab.h> > @@ -290,14 +291,14 @@ static void dwapb_configure_irqs(struct dwapb_gpio *gpio, > struct dwapb_port_property *pp) > { > struct gpio_chip *gc = &port->gc; > - struct device_node *node = pp->node; > + struct fwnode_handle *fwnode = pp->fwnode; > struct irq_chip_generic *irq_gc = NULL; > unsigned int hwirq, ngpio = gc->ngpio; > struct irq_chip_type *ct; > int err, i; > > - gpio->domain = irq_domain_add_linear(node, ngpio, > - &irq_generic_chip_ops, gpio); > + gpio->domain = irq_domain_create_linear(fwnode, ngpio, > + &irq_generic_chip_ops, gpio); > if (!gpio->domain) > return; > > @@ -414,7 +415,8 @@ static int dwapb_gpio_add_port(struct dwapb_gpio *gpio, > } > > #ifdef CONFIG_OF_GPIO > - port->gc.of_node = pp->node; > + port->gc.of_node = is_of_node(pp->fwnode) ? > + to_of_node(pp->fwnode) : NULL; It is enough to use port->gc.of_node = to_of_node(pp->fwnode);
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