From c6b9bad280674a51f42929fc1fe6964ac3528dc8 Mon Sep 17 00:00:00 2001 From: Alexander Gordeev Date: Mon, 18 Aug 2014 08:01:49 +0200 Subject: csiostor: Remove superfluous call to pci_disable_msix() There is no need to call pci_disable_msix() in case the previous call to pci_enable_msix() failed Signed-off-by: Alexander Gordeev Reviewed-by: Tomas Henzl Signed-off-by: Christoph Hellwig --- drivers/scsi/csiostor/csio_isr.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'drivers/scsi/csiostor') diff --git a/drivers/scsi/csiostor/csio_isr.c b/drivers/scsi/csiostor/csio_isr.c index 7ee9777..91ba91d 100644 --- a/drivers/scsi/csiostor/csio_isr.c +++ b/drivers/scsi/csiostor/csio_isr.c @@ -529,10 +529,8 @@ csio_enable_msix(struct csio_hw *hw) csio_reduce_sqsets(hw, cnt - extra); } } else { - if (rv > 0) { - pci_disable_msix(hw->pdev); + if (rv > 0) csio_info(hw, "Not using MSI-X, remainder:%d\n", rv); - } kfree(entries); return -ENOMEM; -- cgit v1.1 From 6b73352134d9cd6ff1af1962799b738b4de604be Mon Sep 17 00:00:00 2001 From: Alexander Gordeev Date: Mon, 18 Aug 2014 08:01:50 +0200 Subject: csiostor: Use pci_enable_msix_range() instead of pci_enable_msix() As result of 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() or pci_enable_msi_exact() and pci_enable_msix_range() or pci_enable_msix_exact() interfaces. Signed-off-by: Alexander Gordeev Reviewed-by: Tomas Henzl Signed-off-by: Christoph Hellwig --- drivers/scsi/csiostor/csio_hw.h | 2 +- drivers/scsi/csiostor/csio_isr.c | 22 +++++++++------------- 2 files changed, 10 insertions(+), 14 deletions(-) (limited to 'drivers/scsi/csiostor') diff --git a/drivers/scsi/csiostor/csio_hw.h b/drivers/scsi/csiostor/csio_hw.h index 49b1daa..5db2d85 100644 --- a/drivers/scsi/csiostor/csio_hw.h +++ b/drivers/scsi/csiostor/csio_hw.h @@ -94,7 +94,7 @@ enum { }; struct csio_msix_entries { - unsigned short vector; /* Vector assigned by pci_enable_msix */ + unsigned short vector; /* Assigned MSI-X vector */ void *dev_id; /* Priv object associated w/ this msix*/ char desc[24]; /* Description of this vector */ }; diff --git a/drivers/scsi/csiostor/csio_isr.c b/drivers/scsi/csiostor/csio_isr.c index 91ba91d..a8c748a 100644 --- a/drivers/scsi/csiostor/csio_isr.c +++ b/drivers/scsi/csiostor/csio_isr.c @@ -499,7 +499,7 @@ csio_reduce_sqsets(struct csio_hw *hw, int cnt) static int csio_enable_msix(struct csio_hw *hw) { - int rv, i, j, k, n, min, cnt; + int i, j, k, n, min, cnt; struct csio_msix_entries *entryp; struct msix_entry *entries; int extra = CSIO_EXTRA_VECS; @@ -521,19 +521,15 @@ csio_enable_msix(struct csio_hw *hw) csio_dbg(hw, "FW supp #niq:%d, trying %d msix's\n", hw->cfg_niq, cnt); - while ((rv = pci_enable_msix(hw->pdev, entries, cnt)) >= min) - cnt = rv; - if (!rv) { - if (cnt < (hw->num_sqsets + extra)) { - csio_dbg(hw, "Reducing sqsets to %d\n", cnt - extra); - csio_reduce_sqsets(hw, cnt - extra); - } - } else { - if (rv > 0) - csio_info(hw, "Not using MSI-X, remainder:%d\n", rv); - + cnt = pci_enable_msix_range(hw->pdev, entries, min, cnt); + if (cnt < 0) { kfree(entries); - return -ENOMEM; + return cnt; + } + + if (cnt < (hw->num_sqsets + extra)) { + csio_dbg(hw, "Reducing sqsets to %d\n", cnt - extra); + csio_reduce_sqsets(hw, cnt - extra); } /* Save off vectors */ -- cgit v1.1