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brcmfmac: switch to single message MSI

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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>
This commit is contained in:
Franky Lin 2014-12-03 21:05:30 +01:00 committed by John W. Linville
parent 48fd818f00
commit e9efa340c1
1 changed files with 4 additions and 0 deletions
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4
drivers/net/wireless/brcm80211/brcmfmac/pcie.c
View file

@ -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;