[PATCH v1 2/6] platform/x86: intel_ips: Switch to new PCI IRQ allocation API

[Andy Shevchenko]

This makes code cleaner.

Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
---
 drivers/platform/x86/intel_ips.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c
index 063d9a1624b4..6f6900065bc2 100644
--- a/drivers/platform/x86/intel_ips.c
+++ b/drivers/platform/x86/intel_ips.c
@@ -297,6 +297,8 @@ static struct ips_mcp_limits ips_ulv_limits = {
 struct ips_driver {
        struct pci_dev *dev;
        void __iomem *regmap;
+       int irq;
+
        struct task_struct *monitor;
        struct task_struct *adjust;
        struct dentry *debug_root;
@@ -1592,9 +1594,13 @@ static int ips_probe(struct pci_dev *dev, const struct 
pci_device_id *id)
         * IRQ handler for ME interaction
         * Note: don't use MSI here as the PCH has bugs.
         */
-       pci_disable_msi(dev);
-       ret = request_irq(dev->irq, ips_irq_handler, IRQF_SHARED, "ips",
-                         ips);
+       ret = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_LEGACY);
+       if (ret < 0)
+               return ret;
+
+       ips->irq = pci_irq_vector(dev, 0);
+
+       ret = request_irq(ips->irq, ips_irq_handler, IRQF_SHARED, "ips", ips);
        if (ret) {
                dev_err(&dev->dev, "request irq failed, aborting\n");
                return ret;
@@ -1654,7 +1660,8 @@ static int ips_probe(struct pci_dev *dev, const struct 
pci_device_id *id)
 error_thread_cleanup:
        kthread_stop(ips->adjust);
 error_free_irq:
-       free_irq(ips->dev->irq, ips);
+       free_irq(ips->irq, ips);
+       pci_free_irq_vectors(dev);
        return ret;
 }
 
@@ -1685,7 +1692,8 @@ static void ips_remove(struct pci_dev *dev)
        wrmsrl(TURBO_POWER_CURRENT_LIMIT, turbo_override);
        wrmsrl(TURBO_POWER_CURRENT_LIMIT, ips->orig_turbo_limit);
 
-       free_irq(ips->dev->irq, ips);
+       free_irq(ips->irq, ips);
+       pci_free_irq_vectors(dev);
        if (ips->adjust)
                kthread_stop(ips->adjust);
        if (ips->monitor)
-- 
2.14.2