diff options
author | Alexander Gordeev <agordeev@redhat.com> | 2014-09-29 18:25:58 +0200 |
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committer | Tejun Heo <tj@kernel.org> | 2014-10-06 17:43:34 +0200 |
commit | 1c62854f5f7321b3ee8c08d34d7c1e615608566d (patch) | |
tree | 5d3485de13bee343286f6de651dfaab1a007834c /drivers/ata/ahci.c | |
parent | AHCI: Pass SCSI host template as arg to ahci_host_activate() (diff) | |
download | linux-1c62854f5f7321b3ee8c08d34d7c1e615608566d.tar.xz linux-1c62854f5f7321b3ee8c08d34d7c1e615608566d.zip |
AHCI: Move ahci_host_activate() function to libahci.c
This update is a prerequisite for consolidation of
AHCI host activation code within ahci_host_activate()
function.
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: linux-ide@vger.kernel.org
Diffstat (limited to 'drivers/ata/ahci.c')
-rw-r--r-- | drivers/ata/ahci.c | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index fcda5b663030..0b2160457046 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1226,66 +1226,6 @@ intx: return 0; } -/** - * ahci_host_activate - start AHCI host, request IRQs and register it - * @host: target ATA host - * @irq: base IRQ number to request - * @sht: scsi_host_template to use when registering the host - * - * Similar to ata_host_activate, but requests IRQs according to AHCI-1.1 - * when multiple MSIs were allocated. That is one MSI per port, starting - * from @irq. - * - * LOCKING: - * Inherited from calling layer (may sleep). - * - * RETURNS: - * 0 on success, -errno otherwise. - */ -int ahci_host_activate(struct ata_host *host, int irq, - struct scsi_host_template *sht) -{ - int i, rc; - - rc = ata_host_start(host); - if (rc) - return rc; - - for (i = 0; i < host->n_ports; i++) { - struct ahci_port_priv *pp = host->ports[i]->private_data; - - /* Do not receive interrupts sent by dummy ports */ - if (!pp) { - disable_irq(irq + i); - continue; - } - - rc = devm_request_threaded_irq(host->dev, irq + i, - ahci_hw_interrupt, - ahci_thread_fn, IRQF_SHARED, - pp->irq_desc, host->ports[i]); - if (rc) - goto out_free_irqs; - } - - for (i = 0; i < host->n_ports; i++) - ata_port_desc(host->ports[i], "irq %d", irq + i); - - rc = ata_host_register(host, sht); - if (rc) - goto out_free_all_irqs; - - return 0; - -out_free_all_irqs: - i = host->n_ports; -out_free_irqs: - for (i--; i >= 0; i--) - devm_free_irq(host->dev, irq + i, host->ports[i]); - - return rc; -} - static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { unsigned int board_id = ent->driver_data; |