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device: Add inline method to identify PATH_ROOT

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Add and use inline method to identify the root device.

Change-Id: I394c8668245bcfea6414b8ca5f14ef8135897e59
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80169
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
This commit is contained in:
Patrick Rudolph
2024-01-22 15:39:46 +01:00
committed by Lean Sheng Tan
parent d8796e50f3
commit f95dbcee71
3 changed files with 14 additions and 6 deletions
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9
src/acpi/device.c
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@@ -87,7 +87,7 @@ const char *acpi_device_name(const struct device *dev)
pdev = pdev->bus->dev;
if (!pdev)
break;
if (pdev->path.type == DEVICE_PATH_ROOT)
if (is_root_device(pdev))
break;
if (pdev->ops && pdev->ops->acpi_name)
name = pdev->ops->acpi_name(dev);
@@ -147,16 +147,15 @@ static ssize_t acpi_device_path_fill(const struct device *dev, char *buf,
return cur;
/* Walk up the tree to the root device */
if (dev->path.type != DEVICE_PATH_ROOT && dev->bus && dev->bus->dev)
if (!is_root_device(dev) && dev->bus && dev->bus->dev)
next = acpi_device_path_fill(dev->bus->dev, buf, buf_len, cur);
if (next < 0)
return next;
/* Fill in the path from the root device */
next += snprintf(buf + next, buf_len - next, "%s%s",
(dev->path.type == DEVICE_PATH_ROOT
|| (strlen(name) == 0)) ?
"" : ".", name);
(is_root_device(dev) || (strlen(name) == 0)) ?
"" : ".", name);
return next;
}