From: Patrice Chotard patrice.chotard@st.com
This is needed in error path to assert previously deasserted reset by using a saved reset_ctl reference.
Signed-off-by: Patrice Chotard patrice.chotard@st.com Reviewed-by: Simon Glass sjg@chromium.org ---
v10: _ none v9: _ none v8: _ none v7: _ none v6: _ none v5: _ none v4: _ none v3: _ none v2: _ none
drivers/reset/reset-uclass.c | 9 +++++++++ include/reset.h | 9 +++++++++ 2 files changed, 18 insertions(+)
diff --git a/drivers/reset/reset-uclass.c b/drivers/reset/reset-uclass.c index de3695f..4fd82b9 100644 --- a/drivers/reset/reset-uclass.c +++ b/drivers/reset/reset-uclass.c @@ -97,6 +97,15 @@ int reset_get_by_name(struct udevice *dev, const char *name, return reset_get_by_index(dev, index, reset_ctl); }
+int reset_request(struct reset_ctl *reset_ctl) +{ + struct reset_ops *ops = reset_dev_ops(reset_ctl->dev); + + debug("%s(reset_ctl=%p)\n", __func__, reset_ctl); + + return ops->request(reset_ctl); +} + int reset_free(struct reset_ctl *reset_ctl) { struct reset_ops *ops = reset_dev_ops(reset_ctl->dev); diff --git a/include/reset.h b/include/reset.h index f45fcf8..4f2e35f 100644 --- a/include/reset.h +++ b/include/reset.h @@ -100,6 +100,15 @@ int reset_get_by_name(struct udevice *dev, const char *name, struct reset_ctl *reset_ctl);
/** + * reset_request - Request a reset signal. + * + * @reset_ctl: A reset control struct. + * + * @return 0 if OK, or a negative error code. + */ +int reset_request(struct reset_ctl *reset_ctl); + +/** * reset_free - Free a previously requested reset signal. * * @reset_ctl: A reset control struct that was previously successfully