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    Subject[patch 07/26] 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: Bjorn Helgaas <bhelgaas@google.com>
    Cc: Jingoo Han <jg1.han@samsung.com>
    Cc: Mohit Kumar <mohit.kumar@st.com>
    Cc: pci <linux-pci@vger.kernel.org>
    ---
    drivers/pci/host/pcie-designware.c | 4 +---
    1 file changed, 1 insertion(+), 3 deletions(-)

    Index: tip/drivers/pci/host/pcie-designware.c
    ===================================================================
    --- tip.orig/drivers/pci/host/pcie-designware.c
    +++ tip/drivers/pci/host/pcie-designware.c
    @@ -294,14 +294,12 @@ no_valid_irq:
    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();



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