From: Sven Auhagen <sven.auhagen@xxxxxxxxxxxx>
When the ahci-host AHCI_HFLAG_MULTI_MSI flag is set then the driver must
provide a get_irq_vector callback and take care of getting the IRQs itself.
So in this case ahci_platform_init_host() should not try to get an
IRQ itself.
Suggested-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Signed-off-by: Sven Auhagen <sven.auhagen@xxxxxxxxxxxx>
---
drivers/ata/libahci_platform.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c
index de638dafce21..f6f2a111d226 100644
--- a/drivers/ata/libahci_platform.c
+++ b/drivers/ata/libahci_platform.c
@@ -581,14 +581,16 @@ int ahci_platform_init_host(struct platform_device *pdev,
struct ata_host *host;
int i, irq, n_ports, rc;
- irq = platform_get_irq(pdev, 0);
- if (irq <= 0) {
- if (irq != -EPROBE_DEFER)
- dev_err(dev, "no irq\n");
- return irq;
- }
+ if (!(hpriv->flags & AHCI_HFLAG_MULTI_MSI)) {
+ irq = platform_get_irq(pdev, 0);
+ if (irq <= 0) {
+ if (irq != -EPROBE_DEFER)
+ dev_err(dev, "no irq\n");
+ return irq;
+ }
- hpriv->irq = irq;
+ hpriv->irq = irq;
+ }
/* prepare host */
pi.private_data = (void *)(unsigned long)hpriv->flags;
--
2.20.1
