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Subject[PATCH 2/3] power: reset: syscon-reboot: Add support for specifying priority
Date
Read new optional device tree property priority for specifying priority
level of reset handler. Default value is 192 as before.

Signed-off-by: Pali Rohár <pali@kernel.org>
---
drivers/power/reset/syscon-reboot.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/power/reset/syscon-reboot.c b/drivers/power/reset/syscon-reboot.c
index 510e363381ca..45e34e6885f7 100644
--- a/drivers/power/reset/syscon-reboot.c
+++ b/drivers/power/reset/syscon-reboot.c
@@ -44,6 +44,7 @@ static int syscon_reboot_probe(struct platform_device *pdev)
struct syscon_reboot_context *ctx;
struct device *dev = &pdev->dev;
int mask_err, value_err;
+ int priority;
int err;

ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
@@ -57,6 +58,9 @@ static int syscon_reboot_probe(struct platform_device *pdev)
return PTR_ERR(ctx->map);
}

+ if (of_property_read_s32(pdev->dev.of_node, "priority", &priority))
+ priority = 192;
+
if (of_property_read_u32(pdev->dev.of_node, "offset", &ctx->offset))
return -EINVAL;

@@ -77,7 +81,7 @@ static int syscon_reboot_probe(struct platform_device *pdev)
}

ctx->restart_handler.notifier_call = syscon_restart_handle;
- ctx->restart_handler.priority = 192;
+ ctx->restart_handler.priority = priority;
err = register_restart_handler(&ctx->restart_handler);
if (err)
dev_err(dev, "can't register restart notifier (err=%d)\n", err);
--
2.20.1
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