AcoSail/kernel_optimize_test
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misc/iwmc3200top: use system_wq instead of dedicated workqueues

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With cmwq, there's no reason to use separate workqueues in
iwmc3200top.  Drop them and use system_wq instead.  The used work
items are sync flushed before driver detach.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Tomas Winkler <tomas.winkler@intel.com>
This commit is contained in:
Tejun Heo 2011-02-01 11:42:42 +01:00
parent 52286713a9
commit 51f50f8157
2 changed files with 6 additions and 12 deletions
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4
drivers/misc/iwmc3200top/iwmc3200top.h
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@ -183,9 +183,7 @@ struct iwmct_priv {
u32 barker;
struct iwmct_dbg dbg;
/* drivers work queue */
struct workqueue_struct *wq;
struct workqueue_struct *bus_rescan_wq;
/* drivers work items */
struct work_struct bus_rescan_worker;
struct work_struct isr_worker;

14
drivers/misc/iwmc3200top/main.c
View File

@ -89,7 +89,7 @@ static void op_top_message(struct iwmct_priv *priv, struct top_msg *msg)
switch (msg->hdr.opcode) {
case OP_OPR_ALIVE:
LOG_INFO(priv, FW_MSG, "Got ALIVE from device, wake rescan\n");
queue_work(priv->bus_rescan_wq, &priv->bus_rescan_worker);
schedule_work(&priv->bus_rescan_worker);
break;
default:
LOG_INFO(priv, FW_MSG, "Received msg opcode 0x%X\n",
@ -360,7 +360,7 @@ static void iwmct_irq(struct sdio_func *func)
/* clear the function's interrupt request bit (write 1 to clear) */
sdio_writeb(func, 1, IWMC_SDIO_INTR_CLEAR_ADDR, &ret);
queue_work(priv->wq, &priv->isr_worker);
schedule_work(&priv->isr_worker);
LOG_TRACE(priv, IRQ, "exit iwmct_irq\n");
@ -506,10 +506,6 @@ static int iwmct_probe(struct sdio_func *func,
priv->func = func;
sdio_set_drvdata(func, priv);
/* create drivers work queue */
priv->wq = create_workqueue(DRV_NAME "_wq");
priv->bus_rescan_wq = create_workqueue(DRV_NAME "_rescan_wq");
INIT_WORK(&priv->bus_rescan_worker, iwmct_rescan_worker);
INIT_WORK(&priv->isr_worker, iwmct_irq_read_worker);
@ -604,9 +600,9 @@ static void iwmct_remove(struct sdio_func *func)
sdio_release_irq(func);
sdio_release_host(func);
/* Safely destroy osc workqueue */
destroy_workqueue(priv->bus_rescan_wq);
destroy_workqueue(priv->wq);
/* Make sure works are finished */
flush_work_sync(&priv->bus_rescan_worker);
flush_work_sync(&priv->isr_worker);
sdio_claim_host(func);
sdio_disable_func(func);