drivers/pci/hotplug: Handle presence detection change properly (07163c88) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/pci/hotplug/pnv_php.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -713,8 +713,12 @@ static irqreturn_t pnv_php_interrupt(int irq, void *data)
		added = !!(lsts & PCI_EXP_LNKSTA_DLLLA);
		} else if (sts & PCI_EXP_SLTSTA_PDC) {
		ret = pnv_pci_get_presence_state(php_slot->id, &presence);
		if (!ret)
		if (ret) {
		dev_warn(&pdev->dev, "PCI slot [%s] error %d getting presence (0x%04x), to retry the operation.\n",
		php_slot->name, ret, sts);
		return IRQ_HANDLED;
		}

		added = !!(presence == OPAL_PCI_SLOT_PRESENT);
		} else {
		return IRQ_NONE;