irqchip/mvebu-gicp: Switch to devm_bitmap_zalloc()

Switch to devm_bitmap_zalloc() to show clearly what we are allocating.
Besides that it returns pointer of bitmap type instead of opaque void *.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210618151657.65305-6-andriy.shevchenko@linux.intel.com

diff --git a/drivers/irqchip/irq-mvebu-gicp.c b/drivers/irqchip/irq-mvebu-gicp.c
index 3be5c5d..fe88a78 100644 (file)
--- a/drivers/irqchip/irq-mvebu-gicp.c
+++ b/drivers/irqchip/irq-mvebu-gicp.c
@@ -210,9 +210,7 @@ static int mvebu_gicp_probe(struct platform_device *pdev)
                gicp->spi_cnt += gicp->spi_ranges[i].count;
        }
 
-       gicp->spi_bitmap = devm_kcalloc(&pdev->dev,
-                               BITS_TO_LONGS(gicp->spi_cnt), sizeof(long),
-                               GFP_KERNEL);
+       gicp->spi_bitmap = devm_bitmap_zalloc(&pdev->dev, gicp->spi_cnt, GFP_KERNEL);
        if (!gicp->spi_bitmap)
                return -ENOMEM;