linux-kernel - Re: [PATCHv3 1/2] pciehp: Let user control LED status

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Date:   Tue, 13 Sep 2016 12:36:47 -0400
From:   Keith Busch <keith.busch@...el.com>
To:     linux-pci@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCHv3 1/2] pciehp: Let user control LED status

On Tue, Sep 13, 2016 at 09:05:39AM -0600, Keith Busch wrote:
> +int pciehp_get_raw_attention_status(struct hotplug_slot *hotplug_slot,
> +								u8 *value)
> +{
> +	struct slot *slot = hotplug_slot->private;
> +	struct pci_dev *pdev = ctrl_dev(slot->ctrl);
> +	u16 slot_ctrl;
> +
> +	pcie_capability_read_word(pdev, PCI_EXP_SLTCTL, &slot_ctrl);
> +	*status = (slot_ctrl & (PCI_EXP_SLTCTL_AIC | PCI_EXP_SLTCTL_PIC)) >> 6;

Sorry, I generated this patch from a wrong branch. Won't compile, will
send the correct series. Apologies for the churn.