[PATCH] PCI: iproc: Use the bitmap API to allocate bitmaps

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Use bitmap_zalloc()/bitmap_free() instead of hand-writing them.

It is less verbose and it improves the semantic.

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
 drivers/pci/controller/pcie-iproc-msi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/controller/pcie-iproc-msi.c b/drivers/pci/controller/pcie-iproc-msi.c
index 757b7fbcdc59..fee036b07cd4 100644
--- a/drivers/pci/controller/pcie-iproc-msi.c
+++ b/drivers/pci/controller/pcie-iproc-msi.c
@@ -589,8 +589,8 @@ int iproc_msi_init(struct iproc_pcie *pcie, struct device_node *node)
 		msi->has_inten_reg = true;
 
 	msi->nr_msi_vecs = msi->nr_irqs * EQ_LEN;
-	msi->bitmap = devm_kcalloc(pcie->dev, BITS_TO_LONGS(msi->nr_msi_vecs),
-				   sizeof(*msi->bitmap), GFP_KERNEL);
+	msi->bitmap = devm_bitmap_zalloc(pcie->dev, msi->nr_msi_vecs,
+					 GFP_KERNEL);
 	if (!msi->bitmap)
 		return -ENOMEM;
 
-- 
2.34.1




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