bcma: pci: implement interrupts control

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/bcma/driver_pci.c b/drivers/bcma/driver_pci.c
index e757e4e3c7e29959808376c7d7e5491ffe1e9fcf..789d68b4858baa56872e290e7d4780b258702092 100644 (file)
--- a/drivers/bcma/driver_pci.c
+++ b/drivers/bcma/driver_pci.c
@@ -161,3 +161,26 @@ void bcma_core_pci_init(struct bcma_drv_pci *pc)
 {
        bcma_pcicore_serdes_workaround(pc);
 }
+
+int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core,
+                         bool enable)
+{
+       struct pci_dev *pdev = pc->core->bus->host_pci;
+       u32 coremask, tmp;
+       int err;
+
+       err = pci_read_config_dword(pdev, BCMA_PCI_IRQMASK, &tmp);
+       if (err)
+               goto out;
+
+       coremask = BIT(core->core_index) << 8;
+       if (enable)
+               tmp |= coremask;
+       else
+               tmp &= ~coremask;
+
+       err = pci_write_config_dword(pdev, BCMA_PCI_IRQMASK, tmp);
+
+out:
+       return err;
+}