lkml.org 
[lkml]   [2022]   [Jul]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/5] clk: qcom: Allow custom reset ops
Date
Add support to allow soc specific clk drivers to specify a custom reset
operation. A consumer-driver of the reset framework can call
"reset_control_reset()" api to trigger this.

Signed-off-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
---

drivers/clk/qcom/reset.c | 6 ++++++
drivers/clk/qcom/reset.h | 2 ++
2 files changed, 8 insertions(+)

diff --git a/drivers/clk/qcom/reset.c b/drivers/clk/qcom/reset.c
index 819d194..4782bf1 100644
--- a/drivers/clk/qcom/reset.c
+++ b/drivers/clk/qcom/reset.c
@@ -13,6 +13,12 @@

static int qcom_reset(struct reset_controller_dev *rcdev, unsigned long id)
{
+ struct qcom_reset_controller *rst = to_qcom_reset_controller(rcdev);
+ const struct qcom_reset_map *map = &rst->reset_map[id];
+
+ if (map->op)
+ return map->op(map);
+
rcdev->ops->assert(rcdev, id);
udelay(1);
rcdev->ops->deassert(rcdev, id);
diff --git a/drivers/clk/qcom/reset.h b/drivers/clk/qcom/reset.h
index 2a08b5e..295deeb 100644
--- a/drivers/clk/qcom/reset.h
+++ b/drivers/clk/qcom/reset.h
@@ -11,6 +11,8 @@
struct qcom_reset_map {
unsigned int reg;
u8 bit;
+ int (*op)(const struct qcom_reset_map *map);
+ void *priv;
};

struct regmap;
--
2.7.4
\
 
 \ /
  Last update: 2022-07-30 11:19    [W:0.114 / U:0.384 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site