diff options
Diffstat (limited to 'drivers/soc/ti/knav_qmss_queue.c')
| -rw-r--r-- | drivers/soc/ti/knav_qmss_queue.c | 66 |
1 files changed, 34 insertions, 32 deletions
diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c index a460f201bf8e..2e521f1eda96 100644 --- a/drivers/soc/ti/knav_qmss_queue.c +++ b/drivers/soc/ti/knav_qmss_queue.c @@ -79,7 +79,7 @@ EXPORT_SYMBOL_GPL(knav_qmss_device_ready); /** * knav_queue_notify: qmss queue notfier call * - * @inst: qmss queue instance like accumulator + * @inst: - qmss queue instance like accumulator */ void knav_queue_notify(struct knav_queue_inst *inst) { @@ -511,10 +511,10 @@ static int knav_queue_flush(struct knav_queue *qh) /** * knav_queue_open() - open a hardware queue - * @name - name to give the queue handle - * @id - desired queue number if any or specifes the type + * @name: - name to give the queue handle + * @id: - desired queue number if any or specifes the type * of queue - * @flags - the following flags are applicable to queues: + * @flags: - the following flags are applicable to queues: * KNAV_QUEUE_SHARED - allow the queue to be shared. Queues are * exclusive by default. * Subsequent attempts to open a shared queue should @@ -545,7 +545,7 @@ EXPORT_SYMBOL_GPL(knav_queue_open); /** * knav_queue_close() - close a hardware queue handle - * @qh - handle to close + * @qhandle: - handle to close */ void knav_queue_close(void *qhandle) { @@ -572,9 +572,9 @@ EXPORT_SYMBOL_GPL(knav_queue_close); /** * knav_queue_device_control() - Perform control operations on a queue - * @qh - queue handle - * @cmd - control commands - * @arg - command argument + * @qhandle: - queue handle + * @cmd: - control commands + * @arg: - command argument * * Returns 0 on success, errno otherwise. */ @@ -623,10 +623,10 @@ EXPORT_SYMBOL_GPL(knav_queue_device_control); /** * knav_queue_push() - push data (or descriptor) to the tail of a queue - * @qh - hardware queue handle - * @data - data to push - * @size - size of data to push - * @flags - can be used to pass additional information + * @qhandle: - hardware queue handle + * @dma: - DMA data to push + * @size: - size of data to push + * @flags: - can be used to pass additional information * * Returns 0 on success, errno otherwise. */ @@ -646,8 +646,8 @@ EXPORT_SYMBOL_GPL(knav_queue_push); /** * knav_queue_pop() - pop data (or descriptor) from the head of a queue - * @qh - hardware queue handle - * @size - (optional) size of the data pop'ed. + * @qhandle: - hardware queue handle + * @size: - (optional) size of the data pop'ed. * * Returns a DMA address on success, 0 on failure. */ @@ -746,9 +746,9 @@ EXPORT_SYMBOL_GPL(knav_pool_desc_dma_to_virt); /** * knav_pool_create() - Create a pool of descriptors - * @name - name to give the pool handle - * @num_desc - numbers of descriptors in the pool - * @region_id - QMSS region id from which the descriptors are to be + * @name: - name to give the pool handle + * @num_desc: - numbers of descriptors in the pool + * @region_id: - QMSS region id from which the descriptors are to be * allocated. * * Returns a pool handle on success. @@ -856,7 +856,7 @@ EXPORT_SYMBOL_GPL(knav_pool_create); /** * knav_pool_destroy() - Free a pool of descriptors - * @pool - pool handle + * @ph: - pool handle */ void knav_pool_destroy(void *ph) { @@ -884,7 +884,7 @@ EXPORT_SYMBOL_GPL(knav_pool_destroy); /** * knav_pool_desc_get() - Get a descriptor from the pool - * @pool - pool handle + * @ph: - pool handle * * Returns descriptor from the pool. */ @@ -905,7 +905,8 @@ EXPORT_SYMBOL_GPL(knav_pool_desc_get); /** * knav_pool_desc_put() - return a descriptor to the pool - * @pool - pool handle + * @ph: - pool handle + * @desc: - virtual address */ void knav_pool_desc_put(void *ph, void *desc) { @@ -918,11 +919,11 @@ EXPORT_SYMBOL_GPL(knav_pool_desc_put); /** * knav_pool_desc_map() - Map descriptor for DMA transfer - * @pool - pool handle - * @desc - address of descriptor to map - * @size - size of descriptor to map - * @dma - DMA address return pointer - * @dma_sz - adjusted return pointer + * @ph: - pool handle + * @desc: - address of descriptor to map + * @size: - size of descriptor to map + * @dma: - DMA address return pointer + * @dma_sz: - adjusted return pointer * * Returns 0 on success, errno otherwise. */ @@ -945,9 +946,9 @@ EXPORT_SYMBOL_GPL(knav_pool_desc_map); /** * knav_pool_desc_unmap() - Unmap descriptor after DMA transfer - * @pool - pool handle - * @dma - DMA address of descriptor to unmap - * @dma_sz - size of descriptor to unmap + * @ph: - pool handle + * @dma: - DMA address of descriptor to unmap + * @dma_sz: - size of descriptor to unmap * * Returns descriptor address on success, Use IS_ERR_OR_NULL() to identify * error values on return. @@ -968,7 +969,7 @@ EXPORT_SYMBOL_GPL(knav_pool_desc_unmap); /** * knav_pool_count() - Get the number of descriptors in pool. - * @pool - pool handle + * @ph: - pool handle * Returns number of elements in the pool. */ int knav_pool_count(void *ph) @@ -1307,12 +1308,11 @@ static int knav_setup_queue_pools(struct knav_device *kdev, struct device_node *queue_pools) { struct device_node *type, *range; - int ret; for_each_child_of_node(queue_pools, type) { for_each_child_of_node(type, range) { - ret = knav_setup_queue_range(kdev, range); /* return value ignored, we init the rest... */ + knav_setup_queue_range(kdev, range); } } @@ -1784,6 +1784,7 @@ static int knav_queue_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); ret = pm_runtime_get_sync(&pdev->dev); if (ret < 0) { + pm_runtime_put_noidle(&pdev->dev); dev_err(dev, "Failed to enable QMSS\n"); return ret; } @@ -1851,9 +1852,10 @@ static int knav_queue_probe(struct platform_device *pdev) if (ret) goto err; - regions = of_get_child_by_name(node, "descriptor-regions"); + regions = of_get_child_by_name(node, "descriptor-regions"); if (!regions) { dev_err(dev, "descriptor-regions not specified\n"); + ret = -ENODEV; goto err; } ret = knav_queue_setup_regions(kdev, regions); |