| Message ID | 1540383023-1807-5-git-send-email-patrice.chotard@st.com |
|---|---|
| State | Accepted |
| Commit | 37b596ac5c5f7ac405602af2577405b1f7d38cce |
| Delegated to: | Tom Rini |
| Headers | show |
| Series | Add pinmux command | expand |
On 24 October 2018 at 06:10, Patrice Chotard <patrice.chotard@st.com> wrote: > Add uclass_foreach_dev_probe() which iterates through > devices of a given uclass. Devices are probed if necessary > and are ready to use. > > Signed-off-by: Patrice Chotard <patrice.chotard@st.com> > --- > > Changes in v4: > - Replace respectively uclass_first_device() and uclass_next_device() > by uclass_first_device_err() and uclass_next_device_err() > > Changes in v3: None > Changes in v2: None > > include/dm/uclass.h | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) Reviewed-by: Simon Glass <sjg@chromium.org>
On Wed, Oct 24, 2018 at 02:10:16PM +0200, Patrice Chotard wrote: > Add uclass_foreach_dev_probe() which iterates through > devices of a given uclass. Devices are probed if necessary > and are ready to use. > > Signed-off-by: Patrice Chotard <patrice.chotard@st.com> > Reviewed-by: Simon Glass <sjg@chromium.org> Applied to u-boot/master, thanks!
diff --git a/include/dm/uclass.h b/include/dm/uclass.h index 39d0fdb540e9..11e6df391b20 100644 --- a/include/dm/uclass.h +++ b/include/dm/uclass.h @@ -391,4 +391,20 @@ int uclass_resolve_seq(struct udevice *dev); #define uclass_foreach_dev_safe(pos, next, uc) \ list_for_each_entry_safe(pos, next, &uc->dev_head, uclass_node) +/** + * uclass_foreach_dev_probe() - Helper function to iteration through devices + * of given uclass + * + * This creates a for() loop which works through the available devices in + * a uclass in order from start to end. Devices are probed if necessary, + * and ready for use. + * + * @id: Uclass ID + * @dev: struct udevice * to hold the current device. Set to NULL when there + * are no more devices. + */ +#define uclass_foreach_dev_probe(id, dev) \ + for (int _ret = uclass_first_device_err(id, &dev); !_ret && dev; \ + _ret = uclass_next_device_err(&dev)) + #endif
Add uclass_foreach_dev_probe() which iterates through devices of a given uclass. Devices are probed if necessary and are ready to use. Signed-off-by: Patrice Chotard <patrice.chotard@st.com> --- Changes in v4: - Replace respectively uclass_first_device() and uclass_next_device() by uclass_first_device_err() and uclass_next_device_err() Changes in v3: None Changes in v2: None include/dm/uclass.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)