[SCSI] lpfc 8.3.9: PCI Changes to lpfc driver
- Call pci_save_state() after pci_restore_state() call to cope
with kernel change.
- Add support for PCI BAR region 0 if BAR0 is a 64 bit register.
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h
index c2bec6e..ae0c53d 100644
--- a/drivers/scsi/lpfc/lpfc_hw4.h
+++ b/drivers/scsi/lpfc/lpfc_hw4.h
@@ -77,10 +77,6 @@
#define LPFC_SLI_INTF_VALID 6
};
-#define LPFC_SLI4_BAR0 1
-#define LPFC_SLI4_BAR1 2
-#define LPFC_SLI4_BAR2 4
-
#define LPFC_SLI4_MBX_EMBED true
#define LPFC_SLI4_MBX_NEMBED false
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 52fc758..25a97df 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -6079,16 +6079,20 @@
/* Get the bus address of SLI4 device Bar0, Bar1, and Bar2 and the
* number of bytes required by each mapping. They are actually
- * mapping to the PCI BAR regions 1, 2, and 4 by the SLI4 device.
+ * mapping to the PCI BAR regions 0 or 1, 2, and 4 by the SLI4 device.
*/
- phba->pci_bar0_map = pci_resource_start(pdev, LPFC_SLI4_BAR0);
- bar0map_len = pci_resource_len(pdev, LPFC_SLI4_BAR0);
+ if (pci_resource_start(pdev, 0)) {
+ phba->pci_bar0_map = pci_resource_start(pdev, 0);
+ bar0map_len = pci_resource_len(pdev, 0);
+ } else {
+ phba->pci_bar0_map = pci_resource_start(pdev, 1);
+ bar0map_len = pci_resource_len(pdev, 1);
+ }
+ phba->pci_bar1_map = pci_resource_start(pdev, 2);
+ bar1map_len = pci_resource_len(pdev, 2);
- phba->pci_bar1_map = pci_resource_start(pdev, LPFC_SLI4_BAR1);
- bar1map_len = pci_resource_len(pdev, LPFC_SLI4_BAR1);
-
- phba->pci_bar2_map = pci_resource_start(pdev, LPFC_SLI4_BAR2);
- bar2map_len = pci_resource_len(pdev, LPFC_SLI4_BAR2);
+ phba->pci_bar2_map = pci_resource_start(pdev, 4);
+ bar2map_len = pci_resource_len(pdev, 4);
/* Map SLI4 PCI Config Space Register base to a kernel virtual addr */
phba->sli4_hba.conf_regs_memmap_p =
@@ -7174,6 +7178,12 @@
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
+ /*
+ * As the new kernel behavior of pci_restore_state() API call clears
+ * device saved_state flag, need to save the restored state again.
+ */
+ pci_save_state(pdev);
+
if (pdev->is_busmaster)
pci_set_master(pdev);
@@ -7357,6 +7367,13 @@
}
pci_restore_state(pdev);
+
+ /*
+ * As the new kernel behavior of pci_restore_state() API call clears
+ * device saved_state flag, need to save the restored state again.
+ */
+ pci_save_state(pdev);
+
if (pdev->is_busmaster)
pci_set_master(pdev);
@@ -7766,6 +7783,13 @@
/* Restore device state from PCI config space */
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
+
+ /*
+ * As the new kernel behavior of pci_restore_state() API call clears
+ * device saved_state flag, need to save the restored state again.
+ */
+ pci_save_state(pdev);
+
if (pdev->is_busmaster)
pci_set_master(pdev);