pci: pcie-designware: Remove irq_desc abuse
There is no reason to care about irq_desc in that context, escpecially
as irq_data for that interrupt is retrieved as well.
Use the proper accessor for the msi descriptor
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Cc: Mohit Kumar <mohit.kumar@st.com>
Cc: pci <linux-pci@vger.kernel.org>
Link: http://lkml.kernel.org/r/20140223212736.987803648@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index 17ce88f..2e48ecf 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -294,14 +294,12 @@
static void clear_irq(unsigned int irq)
{
unsigned int pos, nvec;
- struct irq_desc *desc;
struct msi_desc *msi;
struct pcie_port *pp;
struct irq_data *data = irq_get_irq_data(irq);
/* get the port structure */
- desc = irq_to_desc(irq);
- msi = irq_desc_get_msi_desc(desc);
+ msi = irq_data_get_msi(data);
pp = sys_to_pcie(msi->dev->bus->sysdata);
if (!pp) {
BUG();