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| author |   Bjorn Helgaas <bhelgaas@google.com> | 2015-07-01 17:17:49 -0500 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2015-08-10 14:24:09 -0500 |
| commit | 2db0f71f56795f6b04d386b15c3b32b570558ebd (patch) | |
| tree | f8e3ec10dfe61528c832dd43856180a21c079b73 /drivers/pci | |
| parent | PCI: pciehp: Remove unused interrupt events (diff) | |
| download | linux-dev-2db0f71f56795f6b04d386b15c3b32b570558ebd.tar.xz linux-dev-2db0f71f56795f6b04d386b15c3b32b570558ebd.zip | |
PCI: pciehp: Remove ignored MRL sensor interrupt events
We queued interrupt events for the MRL being opened or closed, but the code
in interrupt_event_handler() that handles these events ignored them.
Stop enabling MRL interrupts and remove the ignored events.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/hotplug/pciehp.h | 10 | ||||
| -rw-r--r-- | drivers/pci/hotplug/pciehp_hpc.c | 17 |
2 files changed, 7 insertions, 20 deletions
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h index aca84e1b81be..62d6fe6c3714 100644 --- a/drivers/pci/hotplug/pciehp.h +++ b/drivers/pci/hotplug/pciehp.h @@ -103,12 +103,10 @@ struct controller { #define INT_PRESENCE_ON 1 #define INT_PRESENCE_OFF 2 -#define INT_SWITCH_CLOSE 3 -#define INT_SWITCH_OPEN 4 -#define INT_POWER_FAULT 5 -#define INT_BUTTON_PRESS 6 -#define INT_LINK_UP 7 -#define INT_LINK_DOWN 8 +#define INT_POWER_FAULT 3 +#define INT_BUTTON_PRESS 4 +#define INT_LINK_UP 5 +#define INT_LINK_DOWN 6 #define STATIC_STATE 0 #define BLINKINGON_STATE 1 diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 8f3d3cff3581..5c24e938042f 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -543,7 +543,7 @@ static irqreturn_t pcie_isr(int irq, void *dev_id) struct pci_dev *dev; struct slot *slot = ctrl->slot; u16 detected, intr_loc; - u8 open, present; + u8 present; bool link; /* @@ -561,7 +561,7 @@ static irqreturn_t pcie_isr(int irq, void *dev_id) } detected &= (PCI_EXP_SLTSTA_ABP | PCI_EXP_SLTSTA_PFD | - PCI_EXP_SLTSTA_MRLSC | PCI_EXP_SLTSTA_PDC | + PCI_EXP_SLTSTA_PDC | PCI_EXP_SLTSTA_CC | PCI_EXP_SLTSTA_DLLSC); detected &= ~intr_loc; intr_loc |= detected; @@ -594,15 +594,6 @@ static irqreturn_t pcie_isr(int irq, void *dev_id) if (!(intr_loc & ~PCI_EXP_SLTSTA_CC)) return IRQ_HANDLED; - /* Check MRL Sensor Changed */ - if (intr_loc & PCI_EXP_SLTSTA_MRLSC) { - pciehp_get_latch_status(slot, &open); - ctrl_info(ctrl, "Latch %s on Slot(%s)\n", - open ? "open" : "close", slot_name(slot)); - pciehp_queue_interrupt_event(slot, open ? INT_SWITCH_OPEN : - INT_SWITCH_CLOSE); - } - /* Check Attention Button Pressed */ if (intr_loc & PCI_EXP_SLTSTA_ABP) { ctrl_info(ctrl, "Button pressed on Slot(%s)\n", @@ -662,13 +653,11 @@ void pcie_enable_notification(struct controller *ctrl) cmd |= PCI_EXP_SLTCTL_ABPE; else cmd |= PCI_EXP_SLTCTL_PDCE; - if (MRL_SENS(ctrl)) - cmd |= PCI_EXP_SLTCTL_MRLSCE; if (!pciehp_poll_mode) cmd |= PCI_EXP_SLTCTL_HPIE | PCI_EXP_SLTCTL_CCIE; mask = (PCI_EXP_SLTCTL_PDCE | PCI_EXP_SLTCTL_ABPE | - PCI_EXP_SLTCTL_MRLSCE | PCI_EXP_SLTCTL_PFDE | + PCI_EXP_SLTCTL_PFDE | PCI_EXP_SLTCTL_HPIE | PCI_EXP_SLTCTL_CCIE | PCI_EXP_SLTCTL_DLLSCE); |