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PCI: hv: Remove the useless hv_pcichild_state from struct hv_pci_dev

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The hpdev->state is never really useful. The only use in
hv_pci_eject_device() and hv_eject_device_work() is not really necessary.

Signed-off-by: Dexuan Cui <decui@microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Acked-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230615044451.5580-4-decui@microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
This commit is contained in:
Dexuan Cui 2023-06-14 21:44:49 -07:00 committed by Wei Liu
parent 2738d5ab79
commit add9195e69
1 changed files with 0 additions and 12 deletions
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12
drivers/pci/controller/pci-hyperv.c
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@ -545,19 +545,10 @@ struct hv_dr_state {
struct hv_pcidev_description func[];
};
enum hv_pcichild_state {
hv_pcichild_init = 0,
hv_pcichild_requirements,
hv_pcichild_resourced,
hv_pcichild_ejecting,
hv_pcichild_maximum
};
struct hv_pci_dev {
/* List protected by pci_rescan_remove_lock */
struct list_head list_entry;
refcount_t refs;
enum hv_pcichild_state state;
struct pci_slot *pci_slot;
struct hv_pcidev_description desc;
bool reported_missing;
@ -2843,8 +2834,6 @@ static void hv_eject_device_work(struct work_struct *work)
hpdev = container_of(work, struct hv_pci_dev, wrk);
hbus = hpdev->hbus;
WARN_ON(hpdev->state != hv_pcichild_ejecting);
/*
* Ejection can come before or after the PCI bus has been set up, so
* attempt to find it and tear down the bus state, if it exists. This
@ -2901,7 +2890,6 @@ static void hv_pci_eject_device(struct hv_pci_dev *hpdev)
return;
}
hpdev->state = hv_pcichild_ejecting;
get_pcichild(hpdev);
INIT_WORK(&hpdev->wrk, hv_eject_device_work);
queue_work(hbus->wq, &hpdev->wrk);