ls -l /sys/devices/pci0000:00/0000:00:15.1/
total 0
drwxr-xr-x 3 root root 0 Aug 30 21:21 SYNA8004:00
-r--r--r-- 1 root root 4096 Aug 30 21:21 ari_enabled
-rw-r--r-- 1 root root 4096 Aug 30 21:21 broken_parity_status
-r--r--r-- 1 root root 4096 Aug 30 21:21 class
-rw-r--r-- 1 root root 256 Aug 30 21:21 config
-r--r--r-- 1 root root 4096 Aug 30 21:21 consistent_dma_mask_bits
-rw-r--r-- 1 root root 4096 Aug 30 21:21 d3cold_allowed
-r--r--r-- 1 root root 4096 Aug 30 21:21 device
-r--r--r-- 1 root root 4096 Aug 30 21:21 devspec
drwxr-xr-x 4 root root 0 Aug 30 21:21 dma
-r--r--r-- 1 root root 4096 Aug 30 21:21 dma_mask_bits
lrwxrwxrwx 1 root root 0 Aug 30 21:21 driver -> ../../../bus/pci/drivers/intel-lpss
-rw-r--r-- 1 root root 4096 Aug 30 21:21 driver_override
-rw-r--r-- 1 root root 4096 Aug 30 21:21 enable
lrwxrwxrwx 1 root root 0 Aug 30 21:21 firmware_node -> ../../LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:7a
drwxr-xr-x 4 root root 0 Aug 30 21:21 i2c_designware.1
drwxr-xr-x 3 root root 0 Aug 30 21:21 idma64.1
lrwxrwxrwx 1 root root 0 Aug 30 21:21 iommu -> ../../virtual/iommu/dmar1
lrwxrwxrwx 1 root root 0 Aug 30 21:21 iommu_group -> ../../../kernel/iommu_groups/7
-r--r--r-- 1 root root 4096 Aug 30 21:21 irq
drwxr-xr-x 2 root root 0 Aug 30 21:21 link
-r--r--r-- 1 root root 4096 Aug 30 21:21 local_cpulist
-r--r--r-- 1 root root 4096 Aug 30 21:21 local_cpus
-r--r--r-- 1 root root 4096 Aug 30 21:21 modalias
-rw-r--r-- 1 root root 4096 Aug 30 21:21 msi_bus
-rw-r--r-- 1 root root 4096 Aug 30 21:21 numa_node
drwxr-xr-x 2 root root 0 Aug 30 21:21 power
--w--w---- 1 root root 4096 Aug 30 21:21 remove
--w------- 1 root root 4096 Aug 30 21:21 rescan
-r--r--r-- 1 root root 4096 Aug 30 21:21 resource
-rw------- 1 root root 4096 Aug 30 21:21 resource0
-r--r--r-- 1 root root 4096 Aug 30 21:21 revision
lrwxrwxrwx 1 root root 0 Aug 30 21:21 subsystem -> ../../../bus/pci
-r--r--r-- 1 root root 4096 Aug 30 21:21 subsystem_device
-r--r--r-- 1 root root 4096 Aug 30 21:21 subsystem_vendor
-rw-r--r-- 1 root root 4096 Aug 30 21:21 uevent
-r--r--r-- 1 root root 4096 Aug 30 21:21 vendor