[PATCH v2 9/9] wil6210: Use pci_enable_msi_range()

From: Alexander Gordeev
Date: Fri Jan 17 2014 - 11:01:58 EST


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@xxxxxxxxxx>
Acked-by: Vladimir Kondratiev <qca_vkondrat@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/wil6210/pcie_bus.c | 36 ++++++++++++++------------
1 files changed, 19 insertions(+), 17 deletions(-)

diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c
index eeceab3..4e1bf54 100644
--- a/drivers/net/wireless/ath/wil6210/pcie_bus.c
+++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c
@@ -41,30 +41,32 @@ static int wil_if_pcie_enable(struct wil6210_priv *wil)
switch (use_msi) {
case 3:
case 1:
+ wil_dbg_misc(wil, "Setup %d MSI interrupts\n", use_msi);
+ break;
case 0:
+ wil_dbg_misc(wil, "MSI interrupts disabled, use INTx\n");
break;
default:
- wil_err(wil, "Invalid use_msi=%d, default to 1\n",
- use_msi);
+ wil_err(wil, "Invalid use_msi=%d, default to 1\n", use_msi);
use_msi = 1;
}
- wil->n_msi = use_msi;
- if (wil->n_msi) {
- wil_dbg_misc(wil, "Setup %d MSI interrupts\n", use_msi);
- rc = pci_enable_msi_block(pdev, wil->n_msi);
- if (rc && (wil->n_msi == 3)) {
- wil_err(wil, "3 MSI mode failed, try 1 MSI\n");
- wil->n_msi = 1;
- rc = pci_enable_msi_block(pdev, wil->n_msi);
- }
- if (rc) {
- wil_err(wil, "pci_enable_msi failed, use INTx\n");
- wil->n_msi = 0;
- }
- } else {
- wil_dbg_misc(wil, "MSI interrupts disabled, use INTx\n");
+
+ switch (use_msi) {
+ case 3:
+ if (pci_enable_msi_range(pdev, 3, 3) > 0)
+ break;
+ wil_err(wil, "3 MSI mode failed, try 1 MSI\n");
+ use_msi = 1;
+ /* fallthrough */
+ case 1:
+ if (!pci_enable_msi(pdev))
+ break;
+ wil_err(wil, "pci_enable_msi failed, use INTx\n");
+ use_msi = 0;
}

+ wil->n_msi = use_msi;
+
rc = wil6210_init_irq(wil, pdev->irq);
if (rc)
goto stop_master;
--
1.7.7.6

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