[SCSI] ipr: Use pci_enable_msi_range() and pci_enable_msix_range()

As result deprecation of MSI-X/MSI enablement functions
pci_enable_msix() and pci_enable_msi_block() all drivers
using these two interfaces need to be updated to use the
new pci_enable_msi_range() and pci_enable_msix_range()
interfaces.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Wen Xiong <wenxiong@linux.vnet.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 09fdfd747e34c249b83865b837544c8820d6c6f7..3d7b6af98e5ec5d08b454a118d33f08c6a74324f 100644 (file)
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -9317,51 +9317,40 @@ static void ipr_wait_for_pci_err_recovery(struct ipr_ioa_cfg *ioa_cfg)
 static int ipr_enable_msix(struct ipr_ioa_cfg *ioa_cfg)
 {
        struct msix_entry entries[IPR_MAX_MSIX_VECTORS];
-       int i, err, vectors;
+       int i, vectors;
 
        for (i = 0; i < ARRAY_SIZE(entries); ++i)
                entries[i].entry = i;
 
-       vectors = ipr_number_of_msix;
-
-       while ((err = pci_enable_msix(ioa_cfg->pdev, entries, vectors)) > 0)
-                       vectors = err;
-
-       if (err < 0) {
+       vectors = pci_enable_msix_range(ioa_cfg->pdev,
+                                       entries, 1, ipr_number_of_msix);
+       if (vectors < 0) {
                ipr_wait_for_pci_err_recovery(ioa_cfg);
-               return err;
+               return vectors;
        }
 
-       if (!err) {
-               for (i = 0; i < vectors; i++)
-                       ioa_cfg->vectors_info[i].vec = entries[i].vector;
-               ioa_cfg->nvectors = vectors;
-       }
+       for (i = 0; i < vectors; i++)
+               ioa_cfg->vectors_info[i].vec = entries[i].vector;
+       ioa_cfg->nvectors = vectors;
 
-       return err;
+       return 0;
 }
 
 static int ipr_enable_msi(struct ipr_ioa_cfg *ioa_cfg)
 {
-       int i, err, vectors;
+       int i, vectors;
 
-       vectors = ipr_number_of_msix;
-
-       while ((err = pci_enable_msi_block(ioa_cfg->pdev, vectors)) > 0)
-                       vectors = err;
-
-       if (err < 0) {
+       vectors = pci_enable_msi_range(ioa_cfg->pdev, 1, ipr_number_of_msix);
+       if (vectors < 0) {
                ipr_wait_for_pci_err_recovery(ioa_cfg);
-               return err;
+               return vectors;
        }
 
-       if (!err) {
-               for (i = 0; i < vectors; i++)
-                       ioa_cfg->vectors_info[i].vec = ioa_cfg->pdev->irq + i;
-               ioa_cfg->nvectors = vectors;
-       }
+       for (i = 0; i < vectors; i++)
+               ioa_cfg->vectors_info[i].vec = ioa_cfg->pdev->irq + i;
+       ioa_cfg->nvectors = vectors;
 
-       return err;
+       return 0;
 }
 
 static void name_msi_vectors(struct ipr_ioa_cfg *ioa_cfg)
@@ -9426,7 +9415,7 @@ static irqreturn_t ipr_test_intr(int irq, void *devp)
  * ipr_test_msi - Test for Message Signaled Interrupt (MSI) support.
  * @pdev:              PCI device struct
  *
- * Description: The return value from pci_enable_msi() can not always be
+ * Description: The return value from pci_enable_msi_range() can not always be
  * trusted.  This routine sets up and initiates a test interrupt to determine
  * if the interrupt is received via the ipr_test_intr() service routine.
  * If the tests fails, the driver will fall back to LSI.