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authorPali Rohár <pali@kernel.org>2022-12-26 12:45:12 +0100
committerSebastian Reichel <sre@kernel.org>2023-02-03 13:10:56 +0100
commite6333293f27cd395e77c6521afd52ff0bdc58107 (patch)
treed71f1b036a4d03bd2b0651f5a50712755ff047ea /drivers/power/reset
parentd7544cbe04e74e9dd33a94481ffe9b2e63222cd6 (diff)
power: reset: syscon-reboot: Add support for specifying priority
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> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power/reset')
-rw-r--r--drivers/power/reset/syscon-reboot.c6
1 files changed, 5 insertions, 1 deletions
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);