diff options
-rw-r--r-- | drivers/bus/fsl-mc/dprc-driver.c | 26 | ||||
-rw-r--r-- | drivers/bus/fsl-mc/fsl-mc-bus.c | 1 | ||||
-rw-r--r-- | include/linux/fsl/mc.h | 7 |
3 files changed, 19 insertions, 15 deletions
diff --git a/drivers/bus/fsl-mc/dprc-driver.c b/drivers/bus/fsl-mc/dprc-driver.c index 3d850515e3e5..dde8fe965e30 100644 --- a/drivers/bus/fsl-mc/dprc-driver.c +++ b/drivers/bus/fsl-mc/dprc-driver.c @@ -81,9 +81,9 @@ static int __fsl_mc_device_remove(struct device *dev, void *data) * the MC by removing devices that represent MC objects that have * been dynamically removed in the physical DPRC. */ -static void dprc_remove_devices(struct fsl_mc_device *mc_bus_dev, - struct fsl_mc_obj_desc *obj_desc_array, - int num_child_objects_in_mc) +void dprc_remove_devices(struct fsl_mc_device *mc_bus_dev, + struct fsl_mc_obj_desc *obj_desc_array, + int num_child_objects_in_mc) { if (num_child_objects_in_mc != 0) { /* @@ -105,6 +105,7 @@ static void dprc_remove_devices(struct fsl_mc_device *mc_bus_dev, __fsl_mc_device_remove); } } +EXPORT_SYMBOL_GPL(dprc_remove_devices); static int __fsl_mc_device_match(struct device *dev, void *data) { @@ -354,9 +355,10 @@ static int dprc_scan_objects(struct fsl_mc_device *mc_bus_dev, * bus driver with the actual state of the MC by adding and removing * devices as appropriate. */ -static int dprc_scan_container(struct fsl_mc_device *mc_bus_dev) +int dprc_scan_container(struct fsl_mc_device *mc_bus_dev, + bool alloc_interrupts) { - int error; + int error = 0; struct fsl_mc_bus *mc_bus = to_fsl_mc_bus(mc_bus_dev); fsl_mc_init_all_resource_pools(mc_bus_dev); @@ -365,16 +367,12 @@ static int dprc_scan_container(struct fsl_mc_device *mc_bus_dev) * Discover objects in the DPRC: */ mutex_lock(&mc_bus->scan_mutex); - error = dprc_scan_objects(mc_bus_dev, true); + error = dprc_scan_objects(mc_bus_dev, alloc_interrupts); mutex_unlock(&mc_bus->scan_mutex); - if (error < 0) { - fsl_mc_cleanup_all_resource_pools(mc_bus_dev); - return error; - } - return 0; + return error; } - +EXPORT_SYMBOL_GPL(dprc_scan_container); /** * dprc_irq0_handler - Regular ISR for DPRC interrupt 0 * @@ -683,12 +681,10 @@ static int dprc_probe(struct fsl_mc_device *mc_dev) goto error_cleanup_open; } - mutex_init(&mc_bus->scan_mutex); - /* * Discover MC objects in DPRC object: */ - error = dprc_scan_container(mc_dev); + error = dprc_scan_container(mc_dev, true); if (error < 0) goto error_cleanup_open; diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c index c4be4901de68..d53315f42dc2 100644 --- a/drivers/bus/fsl-mc/fsl-mc-bus.c +++ b/drivers/bus/fsl-mc/fsl-mc-bus.c @@ -678,6 +678,7 @@ int fsl_mc_device_add(struct fsl_mc_obj_desc *obj_desc, if (!mc_bus) return -ENOMEM; + mutex_init(&mc_bus->scan_mutex); mc_dev = &mc_bus->mc_dev; } else { /* diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h index 1d8800acf21f..da11171bc38f 100644 --- a/include/linux/fsl/mc.h +++ b/include/linux/fsl/mc.h @@ -531,6 +531,13 @@ int dprc_reset_container(struct fsl_mc_io *mc_io, int child_container_id, u32 options); +int dprc_scan_container(struct fsl_mc_device *mc_bus_dev, + bool alloc_interrupts); + +void dprc_remove_devices(struct fsl_mc_device *mc_bus_dev, + struct fsl_mc_obj_desc *obj_desc_array, + int num_child_objects_in_mc); + /* * Data Path Buffer Pool (DPBP) API * Contains initialization APIs and runtime control APIs for DPBP |