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Commit 78d0264e authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

irq_poll: don't disable new irq_poll instances 



There is no good reason to start out disabled - drivers can control if
the poll instance can be scheduled by simply not scheduling it yet.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarBart Van Assche <bart.vanassche@sandisk.com>
parent 511cbce2

drivers/scsi/be2iscsi/be_main.c

+0 −2
Original line number Diff line number Diff line
@@ -5581,7 +5581,6 @@ static void beiscsi_eeh_resume(struct pci_dev *pdev) 
		pbe_eq = &phwi_context->be_eq[i];

		irq_poll_init(&pbe_eq->iopoll, be_iopoll_budget,

				be_iopoll);

		irq_poll_enable(&pbe_eq->iopoll);

	}



	i = (phba->msix_enabled) ? i : 0;
@@ -5754,7 +5753,6 @@ static int beiscsi_dev_probe(struct pci_dev *pcidev, 
		pbe_eq = &phwi_context->be_eq[i];

		irq_poll_init(&pbe_eq->iopoll, be_iopoll_budget,

				be_iopoll);

		irq_poll_enable(&pbe_eq->iopoll);

	}



	i = (phba->msix_enabled) ? i : 0;

drivers/scsi/ipr.c

+0 −2
Original line number Diff line number Diff line
@@ -3708,7 +3708,6 @@ static ssize_t ipr_store_iopoll_weight(struct device *dev, 
		for (i = 1; i < ioa_cfg->hrrq_num; i++) {

			irq_poll_init(&ioa_cfg->hrrq[i].iopoll,

					ioa_cfg->iopoll_weight, ipr_iopoll);

			irq_poll_enable(&ioa_cfg->hrrq[i].iopoll);

		}

	}

	spin_unlock_irqrestore(shost->host_lock, lock_flags);
@@ -10407,7 +10406,6 @@ static int ipr_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id) 
		for (i = 1; i < ioa_cfg->hrrq_num; i++) {

			irq_poll_init(&ioa_cfg->hrrq[i].iopoll,

					ioa_cfg->iopoll_weight, ipr_iopoll);

			irq_poll_enable(&ioa_cfg->hrrq[i].iopoll);

		}

	}

lib/irq_poll.c

+1 −3
Original line number Diff line number Diff line
@@ -170,8 +170,7 @@ EXPORT_SYMBOL(irq_poll_enable); 
 * @poll_fn:  The handler to invoke

 *

 * Description:

 *     Initialize this irq_poll structure. Before being actively used, the

 *     driver must call irq_poll_enable().

 *     Initialize and enable this irq_poll structure.

 **/

void irq_poll_init(struct irq_poll *iop, int weight, irq_poll_fn *poll_fn)

{
@@ -179,7 +178,6 @@ void irq_poll_init(struct irq_poll *iop, int weight, irq_poll_fn *poll_fn) 
	INIT_LIST_HEAD(&iop->list);

	iop->weight = weight;

	iop->poll = poll_fn;

	set_bit(IRQ_POLL_F_SCHED, &iop->state);

}

EXPORT_SYMBOL(irq_poll_init);