xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

tpm: Pull everything related to /dev/tpmX into tpm-dev.c

Browse Source 
CLASS-dev.c is a common idiom for Linux subsystems

This pulls all the code related to the miscdev into tpm-dev.c and makes it
static. The identical file_operation structs in the drivers are purged and the
tpm common code unconditionally creates the miscdev.

Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Joel Schopp <jschopp@linux.vnet.ibm.com>
Reviewed-by: Ashley Lai <adlai@linux.vnet.ibm.com>
[phuewe:
tpm_dev_release is now used only in this file, thus the EXPORT_SYMBOL
can be dropped and the function be marked as static.
It has no other in-kernel users]
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
This commit is contained in:
Jason Gunthorpe
2013-11-26 13:30:40 -07:00
committed by Peter Huewe
parent d65e55d499
commit afdba32e2a
14 changed files with 217 additions and 279 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/char/tpm/tpm.h
View File

@@ -323,25 +323,24 @@ struct tpm_cmd_t {
ssize_t tpm_getcap(struct device *, __be32, cap_t *, const char *);
ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
size_t bufsiz);
extern int tpm_get_timeouts(struct tpm_chip *);
extern void tpm_gen_interrupt(struct tpm_chip *);
extern int tpm_do_selftest(struct tpm_chip *);
extern unsigned long tpm_calc_ordinal_duration(struct tpm_chip *, u32);
extern struct tpm_chip* tpm_register_hardware(struct device *,
const struct tpm_vendor_specific *);
extern int tpm_open(struct inode *, struct file *);
extern int tpm_release(struct inode *, struct file *);
extern void tpm_dev_release(struct device *dev);
extern void tpm_dev_vendor_release(struct tpm_chip *);
extern ssize_t tpm_write(struct file *, const char __user *, size_t,
loff_t *);
extern ssize_t tpm_read(struct file *, char __user *, size_t, loff_t *);
extern void tpm_remove_hardware(struct device *);
extern int tpm_pm_suspend(struct device *);
extern int tpm_pm_resume(struct device *);
extern int wait_for_tpm_stat(struct tpm_chip *, u8, unsigned long,
wait_queue_head_t *, bool);
int tpm_dev_add_device(struct tpm_chip *chip);
void tpm_dev_del_device(struct tpm_chip *chip);
#ifdef CONFIG_ACPI
extern int tpm_add_ppi(struct kobject *);
extern void tpm_remove_ppi(struct kobject *);