gitlab.arm.com will be in the maintainance mode on Wednesday June 29th 01:00 - 10:00 (UTC+1). Repositories is read only during the maintainance.

Unverified Commit 011ace4a authored by Arnd Bergmann's avatar Arnd Bergmann
Browse files

Merge tag 'imx-fixes-5.15-3' of...

Merge tag 'imx-fixes-5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 5.15, round 3:

- Add platform device for i.MX System Reset Controller (SRC) to fix
  a regression caused by fw_devlink change.

* tag 'imx-fixes-5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: imx: register reset controller from a platform driver

Link: https://lore.kernel.org/r/20211015070017.GI22881@dragon

Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parents 0f0f80d9 a1467faa
......@@ -9,6 +9,7 @@
#include <linux/iopoll.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/platform_device.h>
#include <linux/reset-controller.h>
#include <linux/smp.h>
#include <asm/smp_plat.h>
......@@ -81,11 +82,6 @@ static const struct reset_control_ops imx_src_ops = {
.reset = imx_src_reset_module,
};
static struct reset_controller_dev imx_reset_controller = {
.ops = &imx_src_ops,
.nr_resets = ARRAY_SIZE(sw_reset_bits),
};
static void imx_gpcv2_set_m_core_pgc(bool enable, u32 offset)
{
writel_relaxed(enable, gpc_base + offset);
......@@ -177,10 +173,6 @@ void __init imx_src_init(void)
src_base = of_iomap(np, 0);
WARN_ON(!src_base);
imx_reset_controller.of_node = np;
if (IS_ENABLED(CONFIG_RESET_CONTROLLER))
reset_controller_register(&imx_reset_controller);
/*
* force warm reset sources to generate cold reset
* for a more reliable restart
......@@ -214,3 +206,33 @@ void __init imx7_src_init(void)
if (!gpc_base)
return;
}
static const struct of_device_id imx_src_dt_ids[] = {
{ .compatible = "fsl,imx51-src" },
{ /* sentinel */ }
};
static int imx_src_probe(struct platform_device *pdev)
{
struct reset_controller_dev *rcdev;
rcdev = devm_kzalloc(&pdev->dev, sizeof(*rcdev), GFP_KERNEL);
if (!rcdev)
return -ENOMEM;
rcdev->ops = &imx_src_ops;
rcdev->dev = &pdev->dev;
rcdev->of_node = pdev->dev.of_node;
rcdev->nr_resets = ARRAY_SIZE(sw_reset_bits);
return devm_reset_controller_register(&pdev->dev, rcdev);
}
static struct platform_driver imx_src_driver = {
.driver = {
.name = "imx-src",
.of_match_table = imx_src_dt_ids,
},
.probe = imx_src_probe,
};
builtin_platform_driver(imx_src_driver);
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment