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authorFranky Lin <frankyl@broadcom.com>2014-12-03 21:05:30 +0100
committerJohn W. Linville <linville@tuxdriver.com>2014-12-04 11:35:02 -0500
commite9efa340c173ccfe641c50ed102f68237f825c2c (patch)
tree8a95848f32c74fe1d7c82b8340b1b3b8a049ec74 /drivers
parentbrcmfmac: Add PCIE ids for 43602 devices. (diff)
downloadlinux-dev-e9efa340c173ccfe641c50ed102f68237f825c2c.tar.xz
linux-dev-e9efa340c173ccfe641c50ed102f68237f825c2c.zip
brcmfmac: switch to single message MSI
Use single message MSI to replace legacy interrupt. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/pcie.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/brcm80211/brcmfmac/pcie.c
index b87b727967ea..a66481976d5c 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/pcie.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/pcie.c
@@ -798,12 +798,14 @@ static int brcmf_pcie_request_irq(struct brcmf_pciedev_info *devinfo)
brcmf_dbg(PCIE, "Enter\n");
/* is it a v1 or v2 implementation */
devinfo->irq_requested = false;
+ pci_enable_msi(pdev);
if (devinfo->generic_corerev == BRCMF_PCIE_GENREV1) {
if (request_threaded_irq(pdev->irq,
brcmf_pcie_quick_check_isr_v1,
brcmf_pcie_isr_thread_v1,
IRQF_SHARED, "brcmf_pcie_intr",
devinfo)) {
+ pci_disable_msi(pdev);
brcmf_err("Failed to request IRQ %d\n", pdev->irq);
return -EIO;
}
@@ -813,6 +815,7 @@ static int brcmf_pcie_request_irq(struct brcmf_pciedev_info *devinfo)
brcmf_pcie_isr_thread_v2,
IRQF_SHARED, "brcmf_pcie_intr",
devinfo)) {
+ pci_disable_msi(pdev);
brcmf_err("Failed to request IRQ %d\n", pdev->irq);
return -EIO;
}
@@ -839,6 +842,7 @@ static void brcmf_pcie_release_irq(struct brcmf_pciedev_info *devinfo)
return;
devinfo->irq_requested = false;
free_irq(pdev->irq, devinfo);
+ pci_disable_msi(pdev);
msleep(50);
count = 0;