Hi,
fugang.duan@xxxxxxxxxxxxx wrote:
> From: Lothar Waßmann <LW@xxxxxxxxxxxxxxxxxxx>
> Data: Wednesday, March 19, 2014 9:09 PM
>
> >To: Dmitry Torokhov; Duan Fugang-B38611; Grant Likely; Henrik Rydberg; Ian
> >Campbell; Jingoo Han; Kumar Gala; Mark Rutland; Pawel Moll; Rob Herring; Rob
> >Landley; Sachin Kamat; devicetree@xxxxxxxxxxxxxxx; linux-doc@xxxxxxxxxxxxxxx;
> >linux-input@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Simon Budig; Lothar
> >Waßmann
> >Subject: [PATCHv4 2/5] Input: edt-ft5x06: Add DT support
> >
> >
No need to quote the mail headers here.
[...]
> >diff --git a/drivers/input/touchscreen/edt-ft5x06.c
> >b/drivers/input/touchscreen/edt-ft5x06.c
> >index 7b4470d..257a1c8 100644
> >--- a/drivers/input/touchscreen/edt-ft5x06.c
> >+++ b/drivers/input/touchscreen/edt-ft5x06.c
> >@@ -33,6 +33,7 @@
> > #include <linux/debugfs.h>
> > #include <linux/slab.h>
> > #include <linux/gpio.h>
> >+#include <linux/of_gpio.h>
> > #include <linux/input/mt.h>
> > #include <linux/input/edt-ft5x06.h>
> >
> [...]
> >+#ifdef CONFIG_OF
> >+static int edt_ft5x06_i2c_ts_probe_dt(struct device *dev,
> >+ struct edt_ft5x06_ts_data *tsdata)
> >+{
> >+ struct device_node *np = dev->of_node;
> >+
> >+ if (!np)
> >+ return -ENODEV;
> Don't need to check the device node valid. If the device node is not existed, the driver don't run probe.
>
Perfectly right. I'll drop this in the next version.
Lothar Waßmann
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