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313d21eeab
Added own device class for TPM. Uses MISC_MAJOR:TPM_MINOR for the first character device in order to retain backwards compatibility. Added tpm_dev_release() back attached to the character device. I've been running this code now for a while on my laptop (Lenovo T430S) TrouSerS works perfectly without modifications. I don't believe it breaks anything significantly. The sysfs attributes that have been placed under the wrong place and are against sysfs-rules.txt should be probably left to stagnate under platform device directory and start defining new sysfs attributes to the char device directory. Guidelines for future TPM sysfs attributes should be probably along the lines of - Single flat set of mandatory sysfs attributes. For example, current PPI interface is way way too rich when you only want to use it to clear and activate the TPM. - Define sysfs attribute if and only if there's no way to get the value from ring-3. No attributes for TPM properties. It's just unnecessary maintenance hurdle that we don't want. Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Reviewed-by: Jasob Gunthorpe <jason.gunthorpe@obsidianresearch.com> Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Tested-by: Scot Doyle <lkml14@scotdoyle.com> Tested-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Peter Huewe <peterhuewe@gmx.de> |
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| .. | ||
| firewire-cdev | ||
| o2cb | ||
| syscalls | ||
| sysfs-acpi-pmprofile | ||
| sysfs-bus-firewire | ||
| sysfs-bus-usb | ||
| sysfs-bus-xen-backend | ||
| sysfs-class-backlight | ||
| sysfs-class-rfkill | ||
| sysfs-class-tpm | ||
| sysfs-class-ubi | ||
| sysfs-class-udc | ||
| sysfs-devices-node | ||
| sysfs-devices-system-cpu | ||
| sysfs-devices-system-xen_memory | ||
| sysfs-driver-ib_srp | ||
| sysfs-driver-qla2xxx | ||
| sysfs-driver-usb-usbtmc | ||
| sysfs-driver-w1_ds28e04 | ||
| sysfs-firmware-efi-vars | ||
| sysfs-firmware-opal-dump | ||
| sysfs-firmware-opal-elog | ||
| sysfs-module | ||
| sysfs-transport-srp | ||
| thermal-notification | ||
| vdso | ||