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remoteproc updates for v4.16

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This contains a few bug fixes and a cleanup up of the resource-table handling
 in the framework, which removes the need for drivers with no resource table to
 provide a fake one.
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Merge tag 'rproc-v4.16' of git://github.com/andersson/remoteproc

Pull remoteproc updates from Bjorn Andersson:
 "This contains a few bug fixes and a cleanup up of the resource-table
  handling in the framework, which removes the need for drivers with no
  resource table to provide a fake one"

* tag 'rproc-v4.16' of git://github.com/andersson/remoteproc:
  remoteproc: Reset table_ptr on stop
  remoteproc: Drop dangling find_rsc_table dummies
  remoteproc: Move resource table load logic to find
  remoteproc: Don't handle empty resource table
  remoteproc: Merge rproc_ops and rproc_fw_ops
  remoteproc: Clone rproc_ops in rproc_alloc()
  remoteproc: Cache resource table size
  remoteproc: Remove depricated crash completion
  virtio_remoteproc: correct put_device virtio_device.dev
This commit is contained in:
Linus Torvalds 2018-02-05 10:07:40 -08:00
commit 2deb41b245
11 changed files with 107 additions and 204 deletions
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21
include/linux/remoteproc.h
View file

@ -324,6 +324,7 @@ struct rproc_mem_entry {
};
struct rproc;
struct firmware;
/**
* struct rproc_ops - platform-specific device handlers
@ -331,12 +332,24 @@ struct rproc;
* @stop: power off the device
* @kick: kick a virtqueue (virtqueue id given as a parameter)
* @da_to_va: optional platform hook to perform address translations
* @load_rsc_table: load resource table from firmware image
* @find_loaded_rsc_table: find the loaded resouce table
* @load: load firmeware to memory, where the remote processor
* expects to find it
* @sanity_check: sanity check the fw image
* @get_boot_addr: get boot address to entry point specified in firmware
*/
struct rproc_ops {
int (*start)(struct rproc *rproc);
int (*stop)(struct rproc *rproc);
void (*kick)(struct rproc *rproc, int vqid);
void * (*da_to_va)(struct rproc *rproc, u64 da, int len);
int (*load_rsc_table)(struct rproc *rproc, const struct firmware *fw);
struct resource_table *(*find_loaded_rsc_table)(
struct rproc *rproc, const struct firmware *fw);
int (*load)(struct rproc *rproc, const struct firmware *fw);
int (*sanity_check)(struct rproc *rproc, const struct firmware *fw);
u32 (*get_boot_addr)(struct rproc *rproc, const struct firmware *fw);
};
/**
@ -390,7 +403,6 @@ enum rproc_crash_type {
* @priv: private data which belongs to the platform-specific rproc module
* @ops: platform-specific start/stop rproc handlers
* @dev: virtual device for refcounting and common remoteproc behavior
* @fw_ops: firmware-specific handlers
* @power: refcount of users who need this rproc powered up
* @state: state of the device
* @lock: lock which protects concurrent manipulations of the rproc
@ -406,11 +418,11 @@ enum rproc_crash_type {
* @index: index of this rproc device
* @crash_handler: workqueue for handling a crash
* @crash_cnt: crash counter
* @crash_comp: completion used to sync crash handler and the rproc reload
* @recovery_disabled: flag that state if recovery was disabled
* @max_notifyid: largest allocated notify id.
* @table_ptr: pointer to the resource table in effect
* @cached_table: copy of the resource table
* @table_sz: size of @cached_table
* @has_iommu: flag to indicate if remote processor is behind an MMU
*/
struct rproc {
@ -419,9 +431,8 @@ struct rproc {
const char *name;
char *firmware;
void *priv;
const struct rproc_ops *ops;
struct rproc_ops *ops;
struct device dev;
const struct rproc_fw_ops *fw_ops;
atomic_t power;
unsigned int state;
struct mutex lock;
@ -437,11 +448,11 @@ struct rproc {
int index;
struct work_struct crash_handler;
unsigned int crash_cnt;
struct completion crash_comp;
bool recovery_disabled;
int max_notifyid;
struct resource_table *table_ptr;
struct resource_table *cached_table;
size_t table_sz;
bool has_iommu;
bool auto_boot;
};