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path: root/drivers/scsi/bfa/bfad_intr.c
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Diffstat (limited to 'drivers/scsi/bfa/bfad_intr.c')
-rw-r--r--drivers/scsi/bfa/bfad_intr.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/scsi/bfa/bfad_intr.c b/drivers/scsi/bfa/bfad_intr.c
index f104e029cac9..2b7dbecbebca 100644
--- a/drivers/scsi/bfa/bfad_intr.c
+++ b/drivers/scsi/bfa/bfad_intr.c
@@ -23,13 +23,14 @@ BFA_TRC_FILE(LDRV, INTR);
23/** 23/**
24 * bfa_isr BFA driver interrupt functions 24 * bfa_isr BFA driver interrupt functions
25 */ 25 */
26irqreturn_t bfad_intx(int irq, void *dev_id); 26static int msix_disable_cb;
27static int msix_disable; 27static int msix_disable_ct;
28module_param(msix_disable, int, S_IRUGO | S_IWUSR); 28module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR);
29module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR);
29/** 30/**
30 * Line based interrupt handler. 31 * Line based interrupt handler.
31 */ 32 */
32irqreturn_t 33static irqreturn_t
33bfad_intx(int irq, void *dev_id) 34bfad_intx(int irq, void *dev_id)
34{ 35{
35 struct bfad_s *bfad = dev_id; 36 struct bfad_s *bfad = dev_id;
@@ -142,6 +143,7 @@ bfad_setup_intr(struct bfad_s *bfad)
142 int error = 0; 143 int error = 0;
143 u32 mask = 0, i, num_bit = 0, max_bit = 0; 144 u32 mask = 0, i, num_bit = 0, max_bit = 0;
144 struct msix_entry msix_entries[MAX_MSIX_ENTRY]; 145 struct msix_entry msix_entries[MAX_MSIX_ENTRY];
146 struct pci_dev *pdev = bfad->pcidev;
145 147
146 /* Call BFA to get the msix map for this PCI function. */ 148 /* Call BFA to get the msix map for this PCI function. */
147 bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit); 149 bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit);
@@ -149,7 +151,9 @@ bfad_setup_intr(struct bfad_s *bfad)
149 /* Set up the msix entry table */ 151 /* Set up the msix entry table */
150 bfad_init_msix_entry(bfad, msix_entries, mask, max_bit); 152 bfad_init_msix_entry(bfad, msix_entries, mask, max_bit);
151 153
152 if (!msix_disable) { 154 if ((pdev->device == BFA_PCI_DEVICE_ID_CT && !msix_disable_ct) ||
155 (pdev->device != BFA_PCI_DEVICE_ID_CT && !msix_disable_cb)) {
156
153 error = pci_enable_msix(bfad->pcidev, msix_entries, bfad->nvec); 157 error = pci_enable_msix(bfad->pcidev, msix_entries, bfad->nvec);
154 if (error) { 158 if (error) {
155 /* 159 /*