diff options
Diffstat (limited to 'arch/powerpc/sysdev/fsl_msi.c')
| -rw-r--r-- | arch/powerpc/sysdev/fsl_msi.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c index b769982612a..efffcbd190a 100644 --- a/arch/powerpc/sysdev/fsl_msi.c +++ b/arch/powerpc/sysdev/fsl_msi.c @@ -25,6 +25,8 @@ #include <asm/mpic.h> #include "fsl_msi.h" +LIST_HEAD(msi_head); + struct fsl_msi_feature { u32 fsl_pic_ip; u32 msiir_offset; @@ -138,16 +140,19 @@ static void fsl_compose_msi_msg(struct pci_dev *pdev, int hwirq, static int fsl_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) { - int rc, hwirq = NO_IRQ; + int rc, hwirq = -ENOMEM; unsigned int virq; struct msi_desc *entry; struct msi_msg msg; struct fsl_msi *msi_data; list_for_each_entry(entry, &pdev->msi_list, list) { - msi_data = get_irq_chip_data(entry->irq); + list_for_each_entry(msi_data, &msi_head, list) { + hwirq = msi_bitmap_alloc_hwirqs(&msi_data->bitmap, 1); + if (hwirq >= 0) + break; + } - hwirq = msi_bitmap_alloc_hwirqs(&msi_data->bitmap, 1); if (hwirq < 0) { rc = hwirq; pr_debug("%s: fail allocating msi interrupt\n", @@ -173,6 +178,7 @@ static int fsl_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) return 0; out_free: + /* free by the caller of this function */ return rc; } @@ -337,6 +343,8 @@ static int __devinit fsl_of_msi_probe(struct of_device *dev, } } + list_add_tail(&msi->list, &msi_head); + /* The multiple setting ppc_md.setup_msi_irqs will not harm things */ if (!ppc_md.setup_msi_irqs) { ppc_md.setup_msi_irqs = fsl_setup_msi_irqs; |