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| author |   Alexander Usyskin <alexander.usyskin@intel.com> | 2015-08-02 22:20:52 +0300 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-08-03 17:33:54 -0700 |
| commit | 1fa55b4e0e161b3d16b52f5bab1b39b39607bc27 (patch) | |
| tree | be74705f98e7de456914050cbe13ac11cd4af7d3 /drivers/misc/mei/pci-me.c | |
| parent | mei: me: d0i3: add flag to indicate D0i3 support (diff) | |
| download | linux-dev-1fa55b4e0e161b3d16b52f5bab1b39b39607bc27.tar.xz linux-dev-1fa55b4e0e161b3d16b52f5bab1b39b39607bc27.zip | |
mei: me: d0i3: enable d0i3 interrupts
D0i3 adds additional interrupt reason bit, therefore we add a variable
intr_source to save the interrupt causes for further dispatching.
The interrupt cause is saved in the irq quick handler to achieve
unified behavior for both MSI enabled and shared interrupt platforms.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/pci-me.c')
| -rw-r--r-- | drivers/misc/mei/pci-me.c | 27 |
1 files changed, 10 insertions, 17 deletions
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c index 23f71f5ce4fb..7fee74abbc21 100644 --- a/drivers/misc/mei/pci-me.c +++ b/drivers/misc/mei/pci-me.c @@ -128,6 +128,7 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent) const struct mei_cfg *cfg = (struct mei_cfg *)(ent->driver_data); struct mei_device *dev; struct mei_me_hw *hw; + unsigned int irqflags; int err; @@ -180,17 +181,12 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_enable_msi(pdev); /* request and enable interrupt */ - if (pci_dev_msi_enabled(pdev)) - err = request_threaded_irq(pdev->irq, - NULL, - mei_me_irq_thread_handler, - IRQF_ONESHOT, KBUILD_MODNAME, dev); - else - err = request_threaded_irq(pdev->irq, + irqflags = pci_dev_msi_enabled(pdev) ? IRQF_ONESHOT : IRQF_SHARED; + + err = request_threaded_irq(pdev->irq, mei_me_irq_quick_handler, mei_me_irq_thread_handler, - IRQF_SHARED, KBUILD_MODNAME, dev); - + irqflags, KBUILD_MODNAME, dev); if (err) { dev_err(&pdev->dev, "request_threaded_irq failure. irq = %d\n", pdev->irq); @@ -319,6 +315,7 @@ static int mei_me_pci_resume(struct device *device) { struct pci_dev *pdev = to_pci_dev(device); struct mei_device *dev; + unsigned int irqflags; int err; dev = pci_get_drvdata(pdev); @@ -327,17 +324,13 @@ static int mei_me_pci_resume(struct device *device) pci_enable_msi(pdev); + irqflags = pci_dev_msi_enabled(pdev) ? IRQF_ONESHOT : IRQF_SHARED; + /* request and enable interrupt */ - if (pci_dev_msi_enabled(pdev)) - err = request_threaded_irq(pdev->irq, - NULL, - mei_me_irq_thread_handler, - IRQF_ONESHOT, KBUILD_MODNAME, dev); - else - err = request_threaded_irq(pdev->irq, + err = request_threaded_irq(pdev->irq, mei_me_irq_quick_handler, mei_me_irq_thread_handler, - IRQF_SHARED, KBUILD_MODNAME, dev); + irqflags, KBUILD_MODNAME, dev); if (err) { dev_err(&pdev->dev, "request_threaded_irq failed: irq = %d.\n", |