| Message ID | 20200113103515.20879-11-patrick.delaunay@st.com |
|---|---|
| State | Accepted |
| Commit | 4292fb16bff1af883b98517b73ea8f7cbfee948f |
| Headers | show |
| Series | dm: add support of new binding in gpio and pincontrol | expand |
On Mon, 13 Jan 2020 at 03:35, Patrick Delaunay <patrick.delaunay at st.com> wrote: > > Add a dir flags validity check with a new function > check_dir_flags. > > Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com> > --- > > This patch was part of v2 08/14 > = gpio: add ops for configuration with dir flags > > > Changes in v3: > - Split the previous patch [PATCH v2 08/14] to help review > > Changes in v2: None > > drivers/gpio/gpio-uclass.c | 24 ++++++++++++++++++++++++ > 1 file changed, 24 insertions(+) Reviewed-by: Simon Glass <sjg at chromium.org>
diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c index 94e90cb8ac..62462dffa5 100644 --- a/drivers/gpio/gpio-uclass.c +++ b/drivers/gpio/gpio-uclass.c @@ -510,12 +510,36 @@ int dm_gpio_set_value(const struct gpio_desc *desc, int value) return 0; } +/* check dir flags invalid configuration */ +static int check_dir_flags(ulong flags) +{ + if ((flags & GPIOD_IS_OUT) && (flags & GPIOD_IS_IN)) { + log_debug("%s: flags 0x%lx has GPIOD_IS_OUT and GPIOD_IS_IN\n", + __func__, flags); + return -EINVAL; + } + + return 0; +} + static int _dm_gpio_set_dir_flags(struct gpio_desc *desc, ulong flags) { struct udevice *dev = desc->dev; struct dm_gpio_ops *ops = gpio_get_ops(dev); + struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev); int ret = 0; + ret = check_dir_flags(flags); + if (ret) { + dev_dbg(dev, + "%s error: set_dir_flags for gpio %s%d has invalid dir flags 0x%lx\n", + desc->dev->name, + uc_priv->bank_name ? uc_priv->bank_name : "", + desc->offset, flags); + + return ret; + } + if (flags & GPIOD_IS_OUT) { int value = flags & GPIOD_IS_OUT_ACTIVE ? 1 : 0;
Add a dir flags validity check with a new function check_dir_flags. Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com> --- This patch was part of v2 08/14 = gpio: add ops for configuration with dir flags Changes in v3: - Split the previous patch [PATCH v2 08/14] to help review Changes in v2: None drivers/gpio/gpio-uclass.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)