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spi: use kthread_create_worker() helper

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Use kthread_create_worker() helper to simplify the code. It uses
the kthread worker API the right way. It will eventually allow
to remove the FIXME in kthread_worker_fn() and add more consistency
checks in the future.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20200709065007.26896-1-m.szyprowski@samsung.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Marek Szyprowski
2020-07-09 08:50:07 +02:00
committed by Mark Brown
parent 0e801d547c
commit 60a883d119
2 changed files with 14 additions and 18 deletions
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6
include/linux/spi/spi.h
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@@ -358,8 +358,7 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
* @cleanup: frees controller-specific state
* @can_dma: determine whether this controller supports DMA
* @queued: whether this controller is providing an internal message queue
* @kworker: thread struct for message pump
* @kworker_task: pointer to task for message pump kworker thread
* @kworker: pointer to thread struct for message pump
* @pump_messages: work struct for scheduling work to the message pump
* @queue_lock: spinlock to syncronise access to message queue
* @queue: message queue
@@ -593,8 +592,7 @@ struct spi_controller {
* Over time we expect SPI drivers to be phased over to this API.
*/
bool queued;
struct kthread_worker kworker;
struct task_struct *kworker_task;
struct kthread_worker *kworker;
struct kthread_work pump_messages;
spinlock_t queue_lock;
struct list_head queue;