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| author | Tadeusz Struk | 2018-09-10 19:18:33 +0200 |
|---|---|---|
| committer | Jarkko Sakkinen | 2018-10-05 12:47:33 +0200 |
| commit | 9e1b74a63f7760b525295161fc608b19b8ee19c4 (patch) | |
| tree | 1e718fb6f19e74e449bf1a61a65621e23704f751 /drivers/char/tpm/tpmrm-dev.c | |
| parent | tpm: add ptr to the tpm_space struct to file_priv (diff) | |
| download | kernel-qcow2-linux-9e1b74a63f7760b525295161fc608b19b8ee19c4.tar.gz kernel-qcow2-linux-9e1b74a63f7760b525295161fc608b19b8ee19c4.tar.xz kernel-qcow2-linux-9e1b74a63f7760b525295161fc608b19b8ee19c4.zip | |
tpm: add support for nonblocking operation
Currently the TPM driver only supports blocking calls, which doesn't allow
asynchronous IO operations to the TPM hardware.
This patch changes it and adds support for nonblocking write and a new poll
function to enable applications, which want to take advantage of this.
Tested-by: Philip Tricca <philip.b.tricca@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off--by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Diffstat (limited to 'drivers/char/tpm/tpmrm-dev.c')
| -rw-r--r-- | drivers/char/tpm/tpmrm-dev.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpmrm-dev.c b/drivers/char/tpm/tpmrm-dev.c index 96006c6b9696..0c751a79bbed 100644 --- a/drivers/char/tpm/tpmrm-dev.c +++ b/drivers/char/tpm/tpmrm-dev.c @@ -51,5 +51,6 @@ const struct file_operations tpmrm_fops = { .open = tpmrm_open, .read = tpm_common_read, .write = tpm_common_write, + .poll = tpm_common_poll, .release = tpmrm_release, }; |