Return-path: Received: from 6.77.broadband6.iol.cz ([88.101.77.6]:50128 "EHLO dhcp-26-207.brq.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754204AbaAGVjV (ORCPT ); Tue, 7 Jan 2014 16:39:21 -0500 From: Alexander Gordeev To: linux-kernel@vger.kernel.org Cc: Alexander Gordeev , Vladimir Kondratiev , linux-wireless@vger.kernel.org, wil6210@qca.qualcomm.com, linux-pci@vger.kernel.org Subject: [PATCH 7/7] wil6210: Use new interfaces for MSI enablement Date: Tue, 7 Jan 2014 19:05:42 +0100 Message-Id: (sfid-20140107_224148_984407_6985689A) In-Reply-To: References: Sender: linux-wireless-owner@vger.kernel.org List-ID: Signed-off-by: Alexander Gordeev --- 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..022dfe4 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_range(pdev, 1, 1) > 0) + break; + wil_err(wil, "pci_enable_msi_range 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