aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/sysdev/mpic_pasemi_msi.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/sysdev/mpic_pasemi_msi.c')
-rw-r--r--arch/powerpc/sysdev/mpic_pasemi_msi.c58
1 files changed, 31 insertions, 27 deletions
diff --git a/arch/powerpc/sysdev/mpic_pasemi_msi.c b/arch/powerpc/sysdev/mpic_pasemi_msi.c
index 33cbfb22ce3..38e62382070 100644
--- a/arch/powerpc/sysdev/mpic_pasemi_msi.c
+++ b/arch/powerpc/sysdev/mpic_pasemi_msi.c
@@ -22,6 +22,7 @@
#include <asm/prom.h>
#include <asm/hw_irq.h>
#include <asm/ppc-pci.h>
+#include <asm/msi_bitmap.h>
#include "mpic.h"
@@ -38,28 +39,28 @@
static struct mpic *msi_mpic;
-static void mpic_pasemi_msi_mask_irq(unsigned int irq)
+static void mpic_pasemi_msi_mask_irq(struct irq_data *data)
{
- pr_debug("mpic_pasemi_msi_mask_irq %d\n", irq);
- mask_msi_irq(irq);
- mpic_mask_irq(irq);
+ pr_debug("mpic_pasemi_msi_mask_irq %d\n", data->irq);
+ mask_msi_irq(data);
+ mpic_mask_irq(data);
}
-static void mpic_pasemi_msi_unmask_irq(unsigned int irq)
+static void mpic_pasemi_msi_unmask_irq(struct irq_data *data)
{
- pr_debug("mpic_pasemi_msi_unmask_irq %d\n", irq);
- mpic_unmask_irq(irq);
- unmask_msi_irq(irq);
+ pr_debug("mpic_pasemi_msi_unmask_irq %d\n", data->irq);
+ mpic_unmask_irq(data);
+ unmask_msi_irq(data);
}
static struct irq_chip mpic_pasemi_msi_chip = {
- .shutdown = mpic_pasemi_msi_mask_irq,
- .mask = mpic_pasemi_msi_mask_irq,
- .unmask = mpic_pasemi_msi_unmask_irq,
- .eoi = mpic_end_irq,
- .set_type = mpic_set_irq_type,
- .set_affinity = mpic_set_affinity,
- .typename = "PASEMI-MSI ",
+ .irq_shutdown = mpic_pasemi_msi_mask_irq,
+ .irq_mask = mpic_pasemi_msi_mask_irq,
+ .irq_unmask = mpic_pasemi_msi_unmask_irq,
+ .irq_eoi = mpic_end_irq,
+ .irq_set_type = mpic_set_irq_type,
+ .irq_set_affinity = mpic_set_affinity,
+ .name = "PASEMI-MSI",
};
static int pasemi_msi_check_device(struct pci_dev *pdev, int nvec, int type)
@@ -80,9 +81,9 @@ static void pasemi_msi_teardown_msi_irqs(struct pci_dev *pdev)
if (entry->irq == NO_IRQ)
continue;
- set_irq_msi(entry->irq, NULL);
- mpic_msi_free_hwirqs(msi_mpic, virq_to_hw(entry->irq),
- ALLOC_CHUNK);
+ irq_set_msi_desc(entry->irq, NULL);
+ msi_bitmap_free_hwirqs(&msi_mpic->msi_bitmap,
+ virq_to_hw(entry->irq), ALLOC_CHUNK);
irq_dispose_mapping(entry->irq);
}
@@ -91,10 +92,10 @@ static void pasemi_msi_teardown_msi_irqs(struct pci_dev *pdev)
static int pasemi_msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
{
- irq_hw_number_t hwirq;
unsigned int virq;
struct msi_desc *entry;
struct msi_msg msg;
+ int hwirq;
pr_debug("pasemi_msi_setup_msi_irqs, pdev %p nvec %d type %d\n",
pdev, nvec, type);
@@ -108,7 +109,8 @@ static int pasemi_msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
* few MSIs for someone, but restrictions will apply to how the
* sources can be changed independently.
*/
- hwirq = mpic_msi_alloc_hwirqs(msi_mpic, ALLOC_CHUNK);
+ hwirq = msi_bitmap_alloc_hwirqs(&msi_mpic->msi_bitmap,
+ ALLOC_CHUNK);
if (hwirq < 0) {
pr_debug("pasemi_msi: failed allocating hwirq\n");
return hwirq;
@@ -116,8 +118,10 @@ static int pasemi_msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
virq = irq_create_mapping(msi_mpic->irqhost, hwirq);
if (virq == NO_IRQ) {
- pr_debug("pasemi_msi: failed mapping hwirq 0x%lx\n", hwirq);
- mpic_msi_free_hwirqs(msi_mpic, hwirq, ALLOC_CHUNK);
+ pr_debug("pasemi_msi: failed mapping hwirq 0x%x\n",
+ hwirq);
+ msi_bitmap_free_hwirqs(&msi_mpic->msi_bitmap, hwirq,
+ ALLOC_CHUNK);
return -ENOSPC;
}
@@ -127,12 +131,12 @@ static int pasemi_msi_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
*/
mpic_set_vector(virq, 0);
- set_irq_msi(virq, entry);
- set_irq_chip(virq, &mpic_pasemi_msi_chip);
- set_irq_type(virq, IRQ_TYPE_EDGE_RISING);
+ irq_set_msi_desc(virq, entry);
+ irq_set_chip(virq, &mpic_pasemi_msi_chip);
+ irq_set_irq_type(virq, IRQ_TYPE_EDGE_RISING);
- pr_debug("pasemi_msi: allocated virq 0x%x (hw 0x%lx) addr 0x%x\n",
- virq, hwirq, msg.address_lo);
+ pr_debug("pasemi_msi: allocated virq 0x%x (hw 0x%x) " \
+ "addr 0x%x\n", virq, hwirq, msg.address_lo);
/* Likewise, the device writes [0...511] into the target
* register to generate MSI [512...1023]