diff options
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/include/asm/pci.h | 5 | ||||
| -rw-r--r-- | arch/s390/pci/pci.c | 3 | ||||
| -rw-r--r-- | arch/s390/pci/pci_clp.c | 1 |
3 files changed, 3 insertions, 6 deletions
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h index c030900320e0..ef803c202d42 100644 --- a/arch/s390/include/asm/pci.h +++ b/arch/s390/include/asm/pci.h @@ -50,10 +50,6 @@ struct zpci_fmb { atomic64_t unmapped_pages; } __packed __aligned(16); -#define ZPCI_MSI_VEC_BITS 11 -#define ZPCI_MSI_VEC_MAX (1 << ZPCI_MSI_VEC_BITS) -#define ZPCI_MSI_VEC_MASK (ZPCI_MSI_VEC_MAX - 1) - enum zpci_state { ZPCI_FN_STATE_RESERVED, ZPCI_FN_STATE_STANDBY, @@ -90,6 +86,7 @@ struct zpci_dev { /* IRQ stuff */ u64 msi_addr; /* MSI address */ + unsigned int max_msi; /* maximum number of MSI's */ struct airq_iv *aibv; /* adapter interrupt bit vector */ unsigned int aisb; /* number of the summary bit */ diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index 2fa7b14b9c08..47a4568e141d 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -369,8 +369,7 @@ int arch_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) if (type == PCI_CAP_ID_MSI && nvec > 1) return 1; - msi_vecs = min(nvec, ZPCI_MSI_VEC_MAX); - msi_vecs = min_t(unsigned int, msi_vecs, CONFIG_PCI_NR_MSI); + msi_vecs = min_t(unsigned int, nvec, zdev->max_msi); /* Allocate adapter summary indicator bit */ rc = -EIO; diff --git a/arch/s390/pci/pci_clp.c b/arch/s390/pci/pci_clp.c index 6e22a247de9b..d6e411ed8b1f 100644 --- a/arch/s390/pci/pci_clp.c +++ b/arch/s390/pci/pci_clp.c @@ -62,6 +62,7 @@ static void clp_store_query_pci_fngrp(struct zpci_dev *zdev, zdev->tlb_refresh = response->refresh; zdev->dma_mask = response->dasm; zdev->msi_addr = response->msia; + zdev->max_msi = response->noi; zdev->fmb_update = response->mui; switch (response->version) { |