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Subject[PATCH RFC v2 14/29] ipr: Make use of pcim_enable_msi/msix() interfaces
Date
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
---
drivers/scsi/ipr.c | 47 ++++++++++++++++++-----------------------------
1 files changed, 18 insertions(+), 29 deletions(-)

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index fb57e21..d7c94d5 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -9245,47 +9245,36 @@ ipr_get_chip_info(const struct pci_device_id *dev_id)
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)
+ vectors = min_t(int, ARRAY_SIZE(entries), ipr_number_of_msix);
+ for (i = 0; i < vectors; ++i)
entries[i].entry = i;

- vectors = ipr_number_of_msix;
+ vectors = pcim_enable_msix(ioa_cfg->pdev, entries, vectors);
+ if (vectors < 0)
+ return vectors;

- while ((err = pci_enable_msix(ioa_cfg->pdev, entries, vectors)) > 0)
- vectors = err;
+ for (i = 0; i < vectors; i++)
+ ioa_cfg->vectors_info[i].vec = entries[i].vector;
+ ioa_cfg->nvectors = vectors;

- if (err < 0)
- return err;
-
- if (!err) {
- 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;
+ vectors = pcim_enable_msi(ioa_cfg->pdev, ipr_number_of_msix);
+ if (vectors < 0)
+ return vectors;

- while ((err = pci_enable_msi_block(ioa_cfg->pdev, vectors)) > 0)
- vectors = err;
+ for (i = 0; i < vectors; i++)
+ ioa_cfg->vectors_info[i].vec = ioa_cfg->pdev->irq + i;
+ ioa_cfg->nvectors = vectors;

- if (err < 0)
- return err;
-
- if (!err) {
- 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)
--
1.7.7.6


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