hwspinlock updates to v6.8
Correct kernel-doc through the hwspinlock core, to address build warnings (and improve the documentation). Drop unused compatible in the Qualcomm TCSR mutex driver. -----BEGIN PGP SIGNATURE----- iQJJBAABCAAzFiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmWkqScVHGFuZGVyc3Nv bkBrZXJuZWwub3JnAAoJEAsfOT8Nma3FrL4P/1jAquueE3d7mz5RhgbhWTplb54F rhvmZodl6azrow6NNkXgscEAMIcGgZlbjdvfadI2f2/lRQnHZ193xA+GtftjrqHY oR0nZ7huUSAaLkcoR+Lr5sVtvdEjGncqc6AlMsqzhnEskvJmg/Rx/Lxsrljmk0yO nTZAJ3swYj022iQyZNoNC6slMcX2Qn29jrKB/PSSvNuhBhpFtBPf/tE69+bzAkpV 6V/9bXKd7cIgaqRiCgvqwbsETmDkSGMM8gHRA7tGsbXPP4gfuSWeKTmvexgyrSct wgj6MVq9avl2Df23qrscKZ1BxBv8n7+9RdPjjH28Ei5GTcc/Gk/l8xxkd1ZECr07 EVPL+CluqsVgcUG7KWxKYGRmTEOuJRzwi5gZRDjj72Nq7ulKvr/mxuOKLHSeLOF6 /+e1Pp3lJ1ZqcXx32PhoFBptk9TvhSuaf8p+b/ALCuRZ8czk/Tmd3R2F81LzRwM+ dHjNgB7jMHTL8fOdobcuvq+T5XfT5aNFn3WJjHKqdhtNrBOd2JyHIlBIfYCG+Kfl ZwhDdlso6Z9cxHvlPVhEGb2JrH+nwKvourD+xtu3YJ5/Dmi+z8VQLeXv09cqgnSx R3o6JAhg+dhFBvYTTWKUfzQgCjxRDBcaZ2xxXMszJ9vAGVdt0v6G4Rd0hyxWVv2F FWt9GdP2qU4hkA/g =LOKK -----END PGP SIGNATURE----- Merge tag 'hwlock-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux Pull hwspinlock updates from Bjorn Andersson: - Correct kernel-doc through the hwspinlock core, to address build warnings (and improve the documentation) - Drop unused compatible in the Qualcomm TCSR mutex driver * tag 'hwlock-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: hwspinlock/core: fix kernel-doc warnings hwspinlock: qcom: Remove IPQ6018 SOC specific compatible
This commit is contained in:
Linus Torvalds
commit
a2ec2071ca
@ -84,8 +84,9 @@ static DEFINE_MUTEX(hwspinlock_tree_lock);
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* should decide between spin_trylock, spin_trylock_irq and
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* spin_trylock_irqsave.
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*
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* Returns 0 if we successfully locked the hwspinlock or -EBUSY if
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* Returns: %0 if we successfully locked the hwspinlock or -EBUSY if
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* the hwspinlock was already taken.
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*
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* This function will never sleep.
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*/
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int __hwspin_trylock(struct hwspinlock *hwlock, int mode, unsigned long *flags)
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@ -171,7 +172,7 @@ EXPORT_SYMBOL_GPL(__hwspin_trylock);
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/**
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* __hwspin_lock_timeout() - lock an hwspinlock with timeout limit
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* @hwlock: the hwspinlock to be locked
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* @timeout: timeout value in msecs
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* @to: timeout value in msecs
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* @mode: mode which controls whether local interrupts are disabled or not
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* @flags: a pointer to where the caller's interrupt state will be saved at (if
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* requested)
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@ -199,9 +200,11 @@ EXPORT_SYMBOL_GPL(__hwspin_trylock);
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* to choose the appropriate @mode of operation, exactly the same way users
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* should decide between spin_lock, spin_lock_irq and spin_lock_irqsave.
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*
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* Returns 0 when the @hwlock was successfully taken, and an appropriate
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* Returns: %0 when the @hwlock was successfully taken, and an appropriate
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* error code otherwise (most notably -ETIMEDOUT if the @hwlock is still
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* busy after @timeout msecs). The function will never sleep.
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* busy after @timeout msecs).
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*
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* The function will never sleep.
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*/
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int __hwspin_lock_timeout(struct hwspinlock *hwlock, unsigned int to,
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int mode, unsigned long *flags)
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@ -304,13 +307,12 @@ EXPORT_SYMBOL_GPL(__hwspin_unlock);
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/**
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* of_hwspin_lock_simple_xlate - translate hwlock_spec to return a lock id
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* @bank: the hwspinlock device bank
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* @hwlock_spec: hwlock specifier as found in the device tree
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*
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* This is a simple translation function, suitable for hwspinlock platform
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* drivers that only has a lock specifier length of 1.
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*
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* Returns a relative index of the lock within a specified bank on success,
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* Returns: a relative index of the lock within a specified bank on success,
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* or -EINVAL on invalid specifier cell count.
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*/
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static inline int
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@ -332,9 +334,10 @@ of_hwspin_lock_simple_xlate(const struct of_phandle_args *hwlock_spec)
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* hwspinlock device, so that it can be requested using the normal
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* hwspin_lock_request_specific() API.
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*
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* Returns the global lock id number on success, -EPROBE_DEFER if the hwspinlock
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* device is not yet registered, -EINVAL on invalid args specifier value or an
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* appropriate error as returned from the OF parsing of the DT client node.
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* Returns: the global lock id number on success, -EPROBE_DEFER if the
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* hwspinlock device is not yet registered, -EINVAL on invalid args
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* specifier value or an appropriate error as returned from the OF parsing
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* of the DT client node.
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*/
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int of_hwspin_lock_get_id(struct device_node *np, int index)
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{
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@ -399,9 +402,10 @@ EXPORT_SYMBOL_GPL(of_hwspin_lock_get_id);
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* the hwspinlock device, so that it can be requested using the normal
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* hwspin_lock_request_specific() API.
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*
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* Returns the global lock id number on success, -EPROBE_DEFER if the hwspinlock
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* device is not yet registered, -EINVAL on invalid args specifier value or an
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* appropriate error as returned from the OF parsing of the DT client node.
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* Returns: the global lock id number on success, -EPROBE_DEFER if the
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* hwspinlock device is not yet registered, -EINVAL on invalid args
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* specifier value or an appropriate error as returned from the OF parsing
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* of the DT client node.
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*/
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int of_hwspin_lock_get_id_byname(struct device_node *np, const char *name)
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{
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@ -481,7 +485,7 @@ out:
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*
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* Should be called from a process context (might sleep)
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*
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* Returns 0 on success, or an appropriate error code on failure
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* Returns: %0 on success, or an appropriate error code on failure
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*/
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int hwspin_lock_register(struct hwspinlock_device *bank, struct device *dev,
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const struct hwspinlock_ops *ops, int base_id, int num_locks)
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@ -529,7 +533,7 @@ EXPORT_SYMBOL_GPL(hwspin_lock_register);
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*
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* Should be called from a process context (might sleep)
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*
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* Returns 0 on success, or an appropriate error code on failure
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* Returns: %0 on success, or an appropriate error code on failure
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*/
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int hwspin_lock_unregister(struct hwspinlock_device *bank)
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{
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@ -578,7 +582,7 @@ static int devm_hwspin_lock_device_match(struct device *dev, void *res,
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*
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* Should be called from a process context (might sleep)
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*
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* Returns 0 on success, or an appropriate error code on failure
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* Returns: %0 on success, or an appropriate error code on failure
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*/
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int devm_hwspin_lock_unregister(struct device *dev,
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struct hwspinlock_device *bank)
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@ -607,7 +611,7 @@ EXPORT_SYMBOL_GPL(devm_hwspin_lock_unregister);
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*
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* Should be called from a process context (might sleep)
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*
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* Returns 0 on success, or an appropriate error code on failure
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* Returns: %0 on success, or an appropriate error code on failure
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*/
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int devm_hwspin_lock_register(struct device *dev,
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struct hwspinlock_device *bank,
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@ -635,12 +639,13 @@ EXPORT_SYMBOL_GPL(devm_hwspin_lock_register);
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/**
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* __hwspin_lock_request() - tag an hwspinlock as used and power it up
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* @hwlock: the target hwspinlock
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*
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* This is an internal function that prepares an hwspinlock instance
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* before it is given to the user. The function assumes that
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* hwspinlock_tree_lock is taken.
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*
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* Returns 0 or positive to indicate success, and a negative value to
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* Returns: %0 or positive to indicate success, and a negative value to
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* indicate an error (with the appropriate error code)
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*/
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static int __hwspin_lock_request(struct hwspinlock *hwlock)
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@ -680,7 +685,7 @@ static int __hwspin_lock_request(struct hwspinlock *hwlock)
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* hwspin_lock_get_id() - retrieve id number of a given hwspinlock
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* @hwlock: a valid hwspinlock instance
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*
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* Returns the id number of a given @hwlock, or -EINVAL if @hwlock is invalid.
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* Returns: the id number of a given @hwlock, or -EINVAL if @hwlock is invalid.
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*/
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int hwspin_lock_get_id(struct hwspinlock *hwlock)
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{
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@ -704,7 +709,7 @@ EXPORT_SYMBOL_GPL(hwspin_lock_get_id);
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*
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* Should be called from a process context (might sleep)
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*
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* Returns the address of the assigned hwspinlock, or NULL on error
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* Returns: the address of the assigned hwspinlock, or %NULL on error
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*/
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struct hwspinlock *hwspin_lock_request(void)
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{
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@ -747,7 +752,7 @@ EXPORT_SYMBOL_GPL(hwspin_lock_request);
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*
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* Should be called from a process context (might sleep)
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*
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* Returns the address of the assigned hwspinlock, or NULL on error
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* Returns: the address of the assigned hwspinlock, or %NULL on error
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*/
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struct hwspinlock *hwspin_lock_request_specific(unsigned int id)
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{
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@ -795,7 +800,7 @@ EXPORT_SYMBOL_GPL(hwspin_lock_request_specific);
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*
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* Should be called from a process context (might sleep)
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*
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* Returns 0 on success, or an appropriate error code on failure
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* Returns: %0 on success, or an appropriate error code on failure
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*/
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int hwspin_lock_free(struct hwspinlock *hwlock)
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{
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@ -865,7 +870,7 @@ static void devm_hwspin_lock_release(struct device *dev, void *res)
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*
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* Should be called from a process context (might sleep)
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*
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* Returns 0 on success, or an appropriate error code on failure
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* Returns: %0 on success, or an appropriate error code on failure
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*/
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int devm_hwspin_lock_free(struct device *dev, struct hwspinlock *hwlock)
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{
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@ -891,7 +896,7 @@ EXPORT_SYMBOL_GPL(devm_hwspin_lock_free);
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*
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* Should be called from a process context (might sleep)
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*
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* Returns the address of the assigned hwspinlock, or NULL on error
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* Returns: the address of the assigned hwspinlock, or %NULL on error
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*/
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struct hwspinlock *devm_hwspin_lock_request(struct device *dev)
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{
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@ -926,7 +931,7 @@ EXPORT_SYMBOL_GPL(devm_hwspin_lock_request);
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*
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* Should be called from a process context (might sleep)
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*
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* Returns the address of the assigned hwspinlock, or NULL on error
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* Returns: the address of the assigned hwspinlock, or %NULL on error
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*/
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struct hwspinlock *devm_hwspin_lock_request_specific(struct device *dev,
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unsigned int id)
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@ -115,7 +115,6 @@ static const struct of_device_id qcom_hwspinlock_of_match[] = {
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{ .compatible = "qcom,sfpb-mutex", .data = &of_sfpb_mutex },
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{ .compatible = "qcom,tcsr-mutex", .data = &of_tcsr_mutex },
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{ .compatible = "qcom,apq8084-tcsr-mutex", .data = &of_msm8226_tcsr_mutex },
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{ .compatible = "qcom,ipq6018-tcsr-mutex", .data = &of_msm8226_tcsr_mutex },
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{ .compatible = "qcom,msm8226-tcsr-mutex", .data = &of_msm8226_tcsr_mutex },
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{ .compatible = "qcom,msm8974-tcsr-mutex", .data = &of_msm8226_tcsr_mutex },
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{ .compatible = "qcom,msm8994-tcsr-mutex", .data = &of_msm8226_tcsr_mutex },
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