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staging: fsl-mc: move resource pool init/cleanup into allocator

Browse source 
The resource pool init/cleanup functions logically belong in the
allocator.  Move them to the allocator and rename to reflect the
move out of the dprc-driver.

Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Stuart Yoder 2016-08-23 17:13:24 -05:00 committed by Greg Kroah-Hartman
parent e267dddd21
commit 3640695569
3 changed files with 56 additions and 52 deletions
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55
drivers/staging/fsl-mc/bus/dprc-driver.c
View file

@ -190,55 +190,6 @@ static void dprc_add_new_devices(struct fsl_mc_device *mc_bus_dev,
}
}
static void dprc_init_all_resource_pools(struct fsl_mc_device *mc_bus_dev)
{
int pool_type;
struct fsl_mc_bus *mc_bus = to_fsl_mc_bus(mc_bus_dev);
for (pool_type = 0; pool_type < FSL_MC_NUM_POOL_TYPES; pool_type++) {
struct fsl_mc_resource_pool *res_pool =
&mc_bus->resource_pools[pool_type];
res_pool->type = pool_type;
res_pool->max_count = 0;
res_pool->free_count = 0;
res_pool->mc_bus = mc_bus;
INIT_LIST_HEAD(&res_pool->free_list);
mutex_init(&res_pool->mutex);
}
}
static void dprc_cleanup_resource_pool(struct fsl_mc_device *mc_bus_dev,
enum fsl_mc_pool_type pool_type)
{
struct fsl_mc_resource *resource;
struct fsl_mc_resource *next;
struct fsl_mc_bus *mc_bus = to_fsl_mc_bus(mc_bus_dev);
struct fsl_mc_resource_pool *res_pool =
&mc_bus->resource_pools[pool_type];
int free_count = 0;
WARN_ON(res_pool->type != pool_type);
WARN_ON(res_pool->free_count != res_pool->max_count);
list_for_each_entry_safe(resource, next, &res_pool->free_list, node) {
free_count++;
WARN_ON(resource->type != res_pool->type);
WARN_ON(resource->parent_pool != res_pool);
devm_kfree(&mc_bus_dev->dev, resource);
}
WARN_ON(free_count != res_pool->free_count);
}
static void dprc_cleanup_all_resource_pools(struct fsl_mc_device *mc_bus_dev)
{
int pool_type;
for (pool_type = 0; pool_type < FSL_MC_NUM_POOL_TYPES; pool_type++)
dprc_cleanup_resource_pool(mc_bus_dev, pool_type);
}
/**
* dprc_scan_objects - Discover objects in a DPRC
*
@ -363,7 +314,7 @@ int dprc_scan_container(struct fsl_mc_device *mc_bus_dev)
unsigned int irq_count;
struct fsl_mc_bus *mc_bus = to_fsl_mc_bus(mc_bus_dev);
dprc_init_all_resource_pools(mc_bus_dev);
fsl_mc_init_all_resource_pools(mc_bus_dev);
/*
* Discover objects in the DPRC:
@ -390,7 +341,7 @@ int dprc_scan_container(struct fsl_mc_device *mc_bus_dev)
return 0;
error:
dprc_cleanup_all_resource_pools(mc_bus_dev);
fsl_mc_cleanup_all_resource_pools(mc_bus_dev);
return error;
}
EXPORT_SYMBOL_GPL(dprc_scan_container);
@ -802,7 +753,7 @@ static int dprc_remove(struct fsl_mc_device *mc_dev)
dev_set_msi_domain(&mc_dev->dev, NULL);
}
dprc_cleanup_all_resource_pools(mc_dev);
fsl_mc_cleanup_all_resource_pools(mc_dev);
error = dprc_close(mc_dev->mc_io, 0, mc_dev->mc_handle);
if (error < 0)

49
drivers/staging/fsl-mc/bus/fsl-mc-allocator.c
View file

@ -668,6 +668,55 @@ void fsl_mc_free_irqs(struct fsl_mc_device *mc_dev)
}
EXPORT_SYMBOL_GPL(fsl_mc_free_irqs);
void fsl_mc_init_all_resource_pools(struct fsl_mc_device *mc_bus_dev)
{
int pool_type;
struct fsl_mc_bus *mc_bus = to_fsl_mc_bus(mc_bus_dev);
for (pool_type = 0; pool_type < FSL_MC_NUM_POOL_TYPES; pool_type++) {
struct fsl_mc_resource_pool *res_pool =
&mc_bus->resource_pools[pool_type];
res_pool->type = pool_type;
res_pool->max_count = 0;
res_pool->free_count = 0;
res_pool->mc_bus = mc_bus;
INIT_LIST_HEAD(&res_pool->free_list);
mutex_init(&res_pool->mutex);
}
}
static void fsl_mc_cleanup_resource_pool(struct fsl_mc_device *mc_bus_dev,
enum fsl_mc_pool_type pool_type)
{
struct fsl_mc_resource *resource;
struct fsl_mc_resource *next;
struct fsl_mc_bus *mc_bus = to_fsl_mc_bus(mc_bus_dev);
struct fsl_mc_resource_pool *res_pool =
&mc_bus->resource_pools[pool_type];
int free_count = 0;
WARN_ON(res_pool->type != pool_type);
WARN_ON(res_pool->free_count != res_pool->max_count);
list_for_each_entry_safe(resource, next, &res_pool->free_list, node) {
free_count++;
WARN_ON(resource->type != res_pool->type);
WARN_ON(resource->parent_pool != res_pool);
devm_kfree(&mc_bus_dev->dev, resource);
}
WARN_ON(free_count != res_pool->free_count);
}
void fsl_mc_cleanup_all_resource_pools(struct fsl_mc_device *mc_bus_dev)
{
int pool_type;
for (pool_type = 0; pool_type < FSL_MC_NUM_POOL_TYPES; pool_type++)
fsl_mc_cleanup_resource_pool(mc_bus_dev, pool_type);
}
/**
* fsl_mc_allocator_probe - callback invoked when an allocatable device is
* being added to the system

4
drivers/staging/fsl-mc/include/mc-bus.h
View file

@ -150,4 +150,8 @@ int fsl_mc_populate_irq_pool(struct fsl_mc_bus *mc_bus,
void fsl_mc_cleanup_irq_pool(struct fsl_mc_bus *mc_bus);
void fsl_mc_init_all_resource_pools(struct fsl_mc_device *mc_bus_dev);
void fsl_mc_cleanup_all_resource_pools(struct fsl_mc_device *mc_bus_dev);
#endif /* _FSL_MC_MCBUS_H_ */