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mvebu irqchip ifxes for v3.15 

- armada-370-xp
 
     - fix invalid cast (signed to unsigned)
     - add ->check_device() msi_chip op
     - fix releasing of MSIs
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Merge tag 'mvebu-irqchip-fixes-3.15' of git://git.infradead.org/linux-mvebu into irq/urgent

Bugfixes for armada-370-xp SoC from Jason Cooper:
 * Fix invalid cast (signed to unsigned)
 * Add missing ->check_device() msi_chip op
 * Fix releasing of MSIs
This commit is contained in:
Thomas Gleixner 2014-04-29 19:23:22 +02:00
parent 3894e9e82d ff3c664505
commit 0a1f83ac64
1 changed files with 14 additions and 3 deletions
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17
drivers/irqchip/irq-armada-370-xp.c
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@ -133,8 +133,7 @@ static int armada_370_xp_setup_msi_irq(struct msi_chip *chip,
struct msi_desc *desc)
{
struct msi_msg msg;
irq_hw_number_t hwirq;
int virq;
int virq, hwirq;
hwirq = armada_370_xp_alloc_msi();
if (hwirq < 0)
@ -160,8 +159,19 @@ static void armada_370_xp_teardown_msi_irq(struct msi_chip *chip,
unsigned int irq)
{
struct irq_data *d = irq_get_irq_data(irq);
unsigned long hwirq = d->hwirq;
irq_dispose_mapping(irq);
armada_370_xp_free_msi(d->hwirq);
armada_370_xp_free_msi(hwirq);
}
static int armada_370_xp_check_msi_device(struct msi_chip *chip, struct pci_dev *dev,
int nvec, int type)
{
/* We support MSI, but not MSI-X */
if (type == PCI_CAP_ID_MSI)
return 0;
return -EINVAL;
}
static struct irq_chip armada_370_xp_msi_irq_chip = {
@ -202,6 +212,7 @@ static int armada_370_xp_msi_init(struct device_node *node,
msi_chip->setup_irq = armada_370_xp_setup_msi_irq;
msi_chip->teardown_irq = armada_370_xp_teardown_msi_irq;
msi_chip->check_device = armada_370_xp_check_msi_device;
msi_chip->of_node = node;
armada_370_xp_msi_domain =