$ udevadm info -a /dev/mmcblk0
Udevadm info starts with the device specified by the devpath and then
walks up the chain of parent devices. It prints for every device
found, all possible attributes in the udev rules key format.
A rule to match, can be composed by the attributes of the device
and the attributes from one single parent device.
looking at device '/devices/pci0000:00/0000:00:01.0/0000:01:1b.0/mmc_host/mmc0/mmc0:0001/block/mmcblk0':
KERNEL=="mmcblk0"
SUBSYSTEM=="block"
DRIVER==""
ATTR{alignment_offset}=="0"
ATTR{capability}=="10"
ATTR{discard_alignment}=="0"
ATTR{ext_range}=="8"
ATTR{force_ro}=="0"
ATTR{inflight}==" 0 0"
ATTR{range}=="8"
ATTR{removable}=="0"
ATTR{ro}=="0"
ATTR{size}=="7733248"
ATTR{stat}==" 8535 5044 556954 32000 11294 32061 346760 74104 0 47080 106072"
looking at parent device '/devices/pci0000:00/0000:00:01.0/0000:01:1b.0/mmc_host/mmc0/mmc0:0001':
KERNELS=="mmc0:0001"
SUBSYSTEMS=="mmc"
DRIVERS=="mmcblk"
ATTRS{cid}=="45010053454d3034473a2a40cb9aa200"
ATTRS{csd}=="d00f00320f5903fffffffdff8a404000"
ATTRS{date}=="10/2015"
ATTRS{enhanced_area_offset}=="18446744073709551594"
ATTRS{enhanced_area_size}=="4294967274"
ATTRS{erase_size}=="262144"
ATTRS{ffu_capable}=="0"
ATTRS{fwrev}=="0x0"
ATTRS{hwrev}=="0x0"
ATTRS{manfid}=="0x000045"
ATTRS{name}=="SEM04G"
ATTRS{oemid}=="0x0100"
ATTRS{preferred_erase_size}=="2097152"
ATTRS{prv}=="0x3a"
ATTRS{raw_rpmb_size_mult}=="0x10"
ATTRS{rel_sectors}=="0x1"
ATTRS{serial}=="0x2a40cb9a"
ATTRS{type}=="MMC"
looking at parent device '/devices/pci0000:00/0000:00:01.0/0000:01:1b.0/mmc_host/mmc0':
KERNELS=="mmc0"
SUBSYSTEMS=="mmc_host"
DRIVERS==""
looking at parent device '/devices/pci0000:00/0000:00:01.0/0000:01:1b.0':
KERNELS=="0000:01:1b.0"
SUBSYSTEMS=="pci"
DRIVERS=="sdhci-pci"
ATTRS{broken_parity_status}=="0"
ATTRS{class}=="0x080501"
ATTRS{consistent_dma_mask_bits}=="32"
ATTRS{d3cold_allowed}=="0"
ATTRS{device}=="0x070b"
ATTRS{dma_mask_bits}=="32"
ATTRS{driver_override}=="(null)"
ATTRS{enable}=="1"
ATTRS{irq}=="32"
ATTRS{local_cpulist}=="0-3"
ATTRS{local_cpus}=="f"
ATTRS{msi_bus}=="1"
ATTRS{numa_node}=="-1"
ATTRS{subsystem_device}=="0x0000"
ATTRS{subsystem_vendor}=="0x0000"
ATTRS{vendor}=="0x8086"
looking at parent device '/devices/pci0000:00/0000:00:01.0':
KERNELS=="0000:00:01.0"
SUBSYSTEMS=="pci"
DRIVERS==""
ATTRS{broken_parity_status}=="0"
ATTRS{class}=="0x060401"
ATTRS{consistent_dma_mask_bits}=="32"
ATTRS{d3cold_allowed}=="0"
ATTRS{device}=="0x0700"
ATTRS{dma_mask_bits}=="32"
ATTRS{driver_override}=="(null)"
ATTRS{enable}=="1"
ATTRS{irq}=="0"
ATTRS{local_cpulist}=="0-3"
ATTRS{local_cpus}=="f"
ATTRS{msi_bus}=="1"
ATTRS{numa_node}=="-1"
ATTRS{subsystem_device}=="0x0000"
ATTRS{subsystem_vendor}=="0x0000"
ATTRS{vendor}=="0x8086"
looking at parent device '/devices/pci0000:00':
KERNELS=="pci0000:00"
SUBSYSTEMS==""
DRIVERS==""
kernel build (barcelona-4.3.3)
sudo apt-get install build-essential linux-source kernel-package libncurses5-dev fakeroot
cd barcelona-4.3.3
make -j16
make-kpkg --rootcmd=fakeroot --initrd --jobs=8 --append-to-version=.001 --revision=001 kernel_image kernel_headers