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device_util: Handle domain device in dev_get_domain

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When the input device pointer pointing to a domain device,
dev_get_domain returns the input device itself.

TEST=Build and boot on intel/archercity CRB

Change-Id: I3a278a8f573de95406ee256fba17767def4ad75d
Signed-off-by: Shuo Liu <shuo.liu@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81957
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Shuo Liu 2024-04-18 00:44:42 +08:00 • committed by Felix Held
commit 101685de0c
2 changed files with 3 additions and 11 deletions
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2
src/device/device_util.c
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@ -252,9 +252,9 @@ const struct device *dev_get_domain(const struct device *dev)
{
/* Walk up the tree up to the domain */
while (dev && dev->upstream && !is_root_device(dev)) {
dev = dev->upstream->dev;
if (dev->path.type == DEVICE_PATH_DOMAIN)
return dev;
dev = dev->upstream->dev;
}
return NULL;

12
src/soc/intel/xeon_sp/chip_common.c
View file

@ -136,11 +136,7 @@ int iio_pci_domain_socket_from_dev(const struct device *dev)
const struct device *domain;
union xeon_domain_path dn;
if (dev->path.type == DEVICE_PATH_DOMAIN)
domain = dev;
else
domain = dev_get_domain(dev);
domain = dev_get_domain(dev);
if (!domain)
return -1;
@ -162,11 +158,7 @@ int iio_pci_domain_stack_from_dev(const struct device *dev)
const struct device *domain;
union xeon_domain_path dn;
if (dev->path.type == DEVICE_PATH_DOMAIN)
domain = dev;
else
domain = dev_get_domain(dev);
domain = dev_get_domain(dev);
if (!domain)
return -1;