1 From 87b1126181f79fb2558652af0d7fafd9deaab5f3 Mon Sep 17 00:00:00 2001
2 From: Phil Elwell <phil@raspberrypi.com>
3 Date: Tue, 7 Sep 2021 14:49:00 +0100
4 Subject: [PATCH] reset: reset-brcmstb-rescal: Support shared use
6 reset_control_reset should not be used with shared reset controllers.
7 Add support for reset_control_assert and _deassert to get the desired
8 behaviour and avoid ugly warnings in the kernel log.
10 Signed-off-by: Phil Elwell <phil@raspberrypi.com>
12 drivers/reset/reset-brcmstb-rescal.c | 10 ++++++++++
13 1 file changed, 10 insertions(+)
15 --- a/drivers/reset/reset-brcmstb-rescal.c
16 +++ b/drivers/reset/reset-brcmstb-rescal.c
17 @@ -20,6 +20,7 @@ struct brcm_rescal_reset {
18 struct reset_controller_dev rcdev;
21 +/* Also doubles a deassert */
22 static int brcm_rescal_reset_set(struct reset_controller_dev *rcdev,
25 @@ -52,6 +53,13 @@ static int brcm_rescal_reset_set(struct
29 +/* A dummy function - deassert/reset does all the work */
30 +static int brcm_rescal_reset_assert(struct reset_controller_dev *rcdev,
36 static int brcm_rescal_reset_xlate(struct reset_controller_dev *rcdev,
37 const struct of_phandle_args *reset_spec)
39 @@ -61,6 +69,8 @@ static int brcm_rescal_reset_xlate(struc
41 static const struct reset_control_ops brcm_rescal_reset_ops = {
42 .reset = brcm_rescal_reset_set,
43 + .deassert = brcm_rescal_reset_set,
44 + .assert = brcm_rescal_reset_assert,
47 static int brcm_rescal_reset_probe(struct platform_device *pdev)