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

[Bjorn Helgaas]

On Mon, Jul 04, 2022 at 03:15:03PM +0200, Christophe JAILLET wrote:
> 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>

Applied with Ray's ack to pci/ctrl/iproc for v5.20, thanks!

> ---
>  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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