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PCI: Split ->reset_notify() method into ->reset_prepare() and ->reset_done()

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The pci_error_handlers->reset_notify() method had a flag to indicate
whether to prepare for or clean up after a reset.  The prepare and done
cases have no shared functionality whatsoever, so split them into separate
methods.

[bhelgaas: changelog, update locking comments]
Link: http://lkml.kernel.org/r/20170601111039.8913-3-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Christoph Hellwig
2017-06-01 13:10:38 +02:00
committed by Bjorn Helgaas
parent b014e96d1a
commit 775755ed3c
5 changed files with 81 additions and 80 deletions
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15
drivers/nvme/host/pci.c
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@@ -2145,14 +2145,14 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return result;
}
static void nvme_reset_notify(struct pci_dev *pdev, bool prepare)
static void nvme_reset_prepare(struct pci_dev *pdev)
{
struct nvme_dev *dev = pci_get_drvdata(pdev);
nvme_dev_disable(pci_get_drvdata(pdev), false);
}
if (prepare)
nvme_dev_disable(dev, false);
else
nvme_reset(dev);
static void nvme_reset_done(struct pci_dev *pdev)
{
nvme_reset(pci_get_drvdata(pdev));
}
static void nvme_shutdown(struct pci_dev *pdev)
@@ -2275,7 +2275,8 @@ static const struct pci_error_handlers nvme_err_handler = {
.error_detected = nvme_error_detected,
.slot_reset = nvme_slot_reset,
.resume = nvme_error_resume,
.reset_notify = nvme_reset_notify,
.reset_prepare = nvme_reset_prepare,
.reset_done = nvme_reset_done,
};
static const struct pci_device_id nvme_id_table[] = {