tpm_common_read 64 drivers/char/tpm/tpm-dev.c .read = tpm_common_read, tpm_common_read 26 drivers/char/tpm/tpm-dev.h ssize_t tpm_common_read(struct file *file, char __user *buf, tpm_common_read 51 drivers/char/tpm/tpmrm-dev.c .read = tpm_common_read,