]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/commit
tpm: Replace device number bitmap with IDR
authorStefan Berger <stefanb@linux.vnet.ibm.com>
Mon, 29 Feb 2016 13:53:02 +0000 (08:53 -0500)
committerJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Sat, 25 Jun 2016 14:26:35 +0000 (17:26 +0300)
commit15516788e581eb32ec1c50e5f00aba3faf95d817
treefc21e9a76367a73ba36b1e9315ca8fd741c544d8
parent3897cd9c8d1d1a9ff81fed893502911c2b9f4a79
tpm: Replace device number bitmap with IDR

Replace the device number bitmap with IDR. Extend the number of devices we
can create to 64k.
Since an IDR allows us to associate a pointer with an ID, we use this now
to rewrite tpm_chip_find_get() to simply look up the chip pointer by the
given device ID.

Protect the IDR calls with a mutex.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
drivers/char/tpm/tpm-chip.c
drivers/char/tpm/tpm-interface.c
drivers/char/tpm/tpm.h