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PCI: dwc: Use the bitmap API to allocate bitmaps

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Use devm_bitmap_zalloc() instead of hand-writing them.

It is less verbose and it improves the semantic.

Link: https://lore.kernel.org/r/bc6586a603abc0db7d4531308b698fbe7a6d7083.1657375829.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Christophe JAILLET 2022-07-09 16:10:52 +02:00 • committed by Bjorn Helgaas
parent 35797e672f
commit 6be6f8529b
1 changed files with 4 additions and 8 deletions
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12
drivers/pci/controller/dwc/pcie-designware-ep.c
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@ -715,17 +715,13 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep)
dw_pcie_iatu_detect(pci);
ep->ib_window_map = devm_kcalloc(dev,
BITS_TO_LONGS(pci->num_ib_windows),
sizeof(long),
GFP_KERNEL);
ep->ib_window_map = devm_bitmap_zalloc(dev, pci->num_ib_windows,
GFP_KERNEL);
if (!ep->ib_window_map)
return -ENOMEM;
ep->ob_window_map = devm_kcalloc(dev,
BITS_TO_LONGS(pci->num_ob_windows),
sizeof(long),
GFP_KERNEL);
ep->ob_window_map = devm_bitmap_zalloc(dev, pci->num_ob_windows,
GFP_KERNEL);
if (!ep->ob_window_map)
return -ENOMEM;