From: Patrice Chotard <patrice.chot...@st.com>
Add reset_assert_all() method which Request/Assert/Free an
array of resets signal that has been previously successfully
requested by reset_get_by_*()
Signed-off-by: Patrice Chotard <patrice.chot...@st.com>
Reviewed-by: Simon Glass <s...@chromium.org>
---
v6: _ none
v5: _ none
v4: _ add reset_assert_all() method as suggested by Marek Vasut
and Simon Glass
drivers/reset/reset-uclass.c | 22 ++++++++++++++++++++++
include/reset.h | 17 +++++++++++++++++
2 files changed, 39 insertions(+)
diff --git a/drivers/reset/reset-uclass.c b/drivers/reset/reset-uclass.c
index 4b17d4c..7cafda7 100644
--- a/drivers/reset/reset-uclass.c
+++ b/drivers/reset/reset-uclass.c
@@ -146,6 +146,28 @@ int reset_deassert(struct reset_ctl *reset_ctl)
return ops->rst_deassert(reset_ctl);
}
+int reset_assert_all(struct reset_ctl *reset_ctl, int count)
+{
+ int i, ret;
+
+ for (i = 0; i < count; i++) {
+ debug("%s(reset_ctl[%d]=%p)\n", __func__, i, &reset_ctl[i]);
+
+ ret = reset_request(&reset_ctl[i]);
+ if (ret)
+ return ret;
+
+ ret = reset_assert(&reset_ctl[i]);
+ if (ret)
+ return ret;
+
+ ret = reset_free(&reset_ctl[i]);
+ if (ret)
+ return ret;
+ }
+ return 0;
+}
+
UCLASS_DRIVER(reset) = {
.id = UCLASS_RESET,
.name = "reset",
diff --git a/include/reset.h b/include/reset.h
index e8e68b6..fa3b4a4 100644
--- a/include/reset.h
+++ b/include/reset.h
@@ -155,6 +155,17 @@ int reset_assert(struct reset_ctl *reset_ctl);
*/
int reset_deassert(struct reset_ctl *reset_ctl);
+/**
+ * reset_assert_all - Request/Assert/Free resets.
+ *
+ * This function will request, assert and free array of clocks,
+ *
+ * @reset_ctl: A reset struct array that was previously successfully
+ * requested by reset_get_by_*().
+ * @count Number of reset contained in the array
+ * @return 0 if OK, or a negative error code.
+ */
+int reset_assert_all(struct reset_ctl *reset_ctl, int count);
#else
static inline int reset_get_by_index(struct udevice *dev, int index,
struct reset_ctl *reset_ctl)
@@ -182,6 +193,12 @@ static inline int reset_deassert(struct reset_ctl
*reset_ctl)
{
return 0;
}
+
+static inline int reset_assert_all(struct reset_ctl *reset_ctl, int count)
+{
+ return 0;
+}
+
#endif
#endif
--
1.9.1
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