From a1f447b35b7226f9c5f5ebe5697ec691f8dc8257 Mon Sep 17 00:00:00 2001 From: Johannes Thumshirn Date: Tue, 7 Jun 2016 09:44:02 +0200 Subject: [PATCH] NVMe: Use pci_(request|release)_mem_regions Now that we do have pci_request_mem_regions() and pci_release_mem_regions() at hand, use it in the NVMe driver. Suggested-by: Christoph Hellwig Signed-off-by: Johannes Thumshirn Signed-off-by: Bjorn Helgaas Reviewed-by: Christoph Hellwig CC: Keith Busch CC: Jens Axboe --- drivers/nvme/host/pci.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 78dca3193ca4..7e4d81208da7 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1681,7 +1681,7 @@ static void nvme_dev_unmap(struct nvme_dev *dev) { if (dev->bar) iounmap(dev->bar); - pci_release_regions(to_pci_dev(dev->dev)); + pci_release_mem_regions(to_pci_dev(dev->dev)); } static void nvme_pci_disable(struct nvme_dev *dev) @@ -1909,13 +1909,9 @@ static const struct nvme_ctrl_ops nvme_pci_ctrl_ops = { static int nvme_dev_map(struct nvme_dev *dev) { - int bars; struct pci_dev *pdev = to_pci_dev(dev->dev); - bars = pci_select_bars(pdev, IORESOURCE_MEM); - if (!bars) - return -ENODEV; - if (pci_request_selected_regions(pdev, bars, "nvme")) + if (pci_request_mem_regions(pdev, "nvme")) return -ENODEV; dev->bar = ioremap(pci_resource_start(pdev, 0), 8192); @@ -1924,7 +1920,7 @@ static int nvme_dev_map(struct nvme_dev *dev) return 0; release: - pci_release_regions(pdev); + pci_release_mem_regions(pdev); return -ENODEV; }