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Subject: [media] v4l/cx18: update workqueue usage Author: Tejun Heo <[email protected]> Date: Mon Jan 3 10:49:34 2011 -0300 With cmwq, there's no reason to use separate out_work_queue. Drop it and use system_wq instead. The in_work_queue needs to be ordered so can't use one of the system wqs; however, as it isn't used to reclaim memory, allocate the workqueue with alloc_ordered_workqueue() without WQ_MEM_RECLAIM. Signed-off-by: Tejun Heo <[email protected]> Reviewed-by: Andy Walls <[email protected]> Acked-by: Andy Walls <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/video/cx18/cx18-driver.c | 24 ++---------------------- drivers/media/video/cx18/cx18-driver.h | 3 --- drivers/media/video/cx18/cx18-streams.h | 3 +-- 3 files changed, 3 insertions(+), 27 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=94f6aa86081cbe6e93a9fa547d23db594573a356 diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c index e712607..869690b 100644 --- a/drivers/media/video/cx18/cx18-driver.c +++ b/drivers/media/video/cx18/cx18-driver.c @@ -665,7 +665,7 @@ static int __devinit cx18_create_in_workq(struct cx18 *cx) { snprintf(cx->in_workq_name, sizeof(cx->in_workq_name), "%s-in", cx->v4l2_dev.name); - cx->in_work_queue = create_singlethread_workqueue(cx->in_workq_name); + cx->in_work_queue = alloc_ordered_workqueue(cx->in_workq_name, 0); if (cx->in_work_queue == NULL) { CX18_ERR("Unable to create incoming mailbox handler thread\n"); return -ENOMEM; @@ -673,18 +673,6 @@ static int __devinit cx18_create_in_workq(struct cx18 *cx) return 0; } -static int __devinit cx18_create_out_workq(struct cx18 *cx) -{ - snprintf(cx->out_workq_name, sizeof(cx->out_workq_name), "%s-out", - cx->v4l2_dev.name); - cx->out_work_queue = create_workqueue(cx->out_workq_name); - if (cx->out_work_queue == NULL) { - CX18_ERR("Unable to create outgoing mailbox handler threads\n"); - return -ENOMEM; - } - return 0; -} - static void __devinit cx18_init_in_work_orders(struct cx18 *cx) { int i; @@ -711,15 +699,9 @@ static int __devinit cx18_init_struct1(struct cx18 *cx) mutex_init(&cx->epu2apu_mb_lock); mutex_init(&cx->epu2cpu_mb_lock); - ret = cx18_create_out_workq(cx); - if (ret) - return ret; - ret = cx18_create_in_workq(cx); - if (ret) { - destroy_workqueue(cx->out_work_queue); + if (ret) return ret; - } cx18_init_in_work_orders(cx); @@ -1113,7 +1095,6 @@ free_mem: release_mem_region(cx->base_addr, CX18_MEM_SIZE); free_workqueues: destroy_workqueue(cx->in_work_queue); - destroy_workqueue(cx->out_work_queue); err: if (retval == 0) retval = -ENODEV; @@ -1265,7 +1246,6 @@ static void cx18_remove(struct pci_dev *pci_dev) cx18_halt_firmware(cx); destroy_workqueue(cx->in_work_queue); - destroy_workqueue(cx->out_work_queue); cx18_streams_cleanup(cx, 1); diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index d050a0a..26eb910 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -617,9 +617,6 @@ struct cx18 { struct cx18_in_work_order in_work_order[CX18_MAX_IN_WORK_ORDERS]; char epu_debug_str[256]; /* CX18_EPU_DEBUG is rare: use shared space */ - struct workqueue_struct *out_work_queue; - char out_workq_name[12]; /* "cx18-NN-out" */ - /* i2c */ struct i2c_adapter i2c_adap[2]; struct i2c_algo_bit_data i2c_algo[2]; diff --git a/drivers/media/video/cx18/cx18-streams.h b/drivers/media/video/cx18/cx18-streams.h index 51765eb..713b0e6 100644 --- a/drivers/media/video/cx18/cx18-streams.h +++ b/drivers/media/video/cx18/cx18-streams.h @@ -42,8 +42,7 @@ static inline bool cx18_stream_enabled(struct cx18_stream *s) /* Related to submission of mdls to firmware */ static inline void cx18_stream_load_fw_queue(struct cx18_stream *s) { - struct cx18 *cx = s->cx; - queue_work(cx->out_work_queue, &s->out_work_order); + schedule_work(&s->out_work_order); } static inline void cx18_stream_put_mdl_fw(struct cx18_stream *s, _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
