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

From: Christophe JAILLET
Date: Mon Jul 04 2022 - 09:15:34 EST


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