diff options
| author | David S. Miller <davem@davemloft.net> | 2019-12-31 13:37:13 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-12-31 13:37:13 -0800 |
| commit | 31d518f35e1a80268a24a855be9477eb458540ad (patch) | |
| tree | 28494f630aede8f95d4ed2ebbfd14c222bd24fa6 /include/linux/posix-clock.h | |
| parent | 9e860947d8d7a1504476ac49abfce90a4ce600f3 (diff) | |
| parent | 738d2902773e30939a982c8df7a7f94293659810 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Simple overlapping changes in bpf land wrt. bpf_helper_defs.h
handling.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/posix-clock.h')
| -rw-r--r-- | include/linux/posix-clock.h | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/include/linux/posix-clock.h b/include/linux/posix-clock.h index fe6cfdcfbc26..468328b1e1dd 100644 --- a/include/linux/posix-clock.h +++ b/include/linux/posix-clock.h @@ -69,29 +69,32 @@ struct posix_clock_operations { * * @ops: Functional interface to the clock * @cdev: Character device instance for this clock - * @kref: Reference count. + * @dev: Pointer to the clock's device. * @rwsem: Protects the 'zombie' field from concurrent access. * @zombie: If 'zombie' is true, then the hardware has disappeared. - * @release: A function to free the structure when the reference count reaches - * zero. May be NULL if structure is statically allocated. * * Drivers should embed their struct posix_clock within a private * structure, obtaining a reference to it during callbacks using * container_of(). + * + * Drivers should supply an initialized but not exposed struct device + * to posix_clock_register(). It is used to manage lifetime of the + * driver's private structure. It's 'release' field should be set to + * a release function for this private structure. */ struct posix_clock { struct posix_clock_operations ops; struct cdev cdev; - struct kref kref; + struct device *dev; struct rw_semaphore rwsem; bool zombie; - void (*release)(struct posix_clock *clk); }; /** * posix_clock_register() - register a new clock - * @clk: Pointer to the clock. Caller must provide 'ops' and 'release' - * @devid: Allocated device id + * @clk: Pointer to the clock. Caller must provide 'ops' field + * @dev: Pointer to the initialized device. Caller must provide + * 'release' field * * A clock driver calls this function to register itself with the * clock device subsystem. If 'clk' points to dynamically allocated @@ -100,7 +103,7 @@ struct posix_clock { * * Returns zero on success, non-zero otherwise. */ -int posix_clock_register(struct posix_clock *clk, dev_t devid); +int posix_clock_register(struct posix_clock *clk, struct device *dev); /** * posix_clock_unregister() - unregister a clock |