linux-kernel - [PATCH v1 3/7] irqchip/gic-v2m: Switch to bitmap

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Date:   Fri, 18 Jun 2021 18:16:53 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Marc Zyngier <maz@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Tsahee Zidenberg <tsahee@...apurnalabs.com>,
        Antoine Tenart <atenart@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
Subject: [PATCH v1 3/7] irqchip/gic-v2m: Switch to bitmap_zalloc()

Switch to 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@...ux.intel.com>
---
 drivers/irqchip/irq-gic-v2m.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c
index be9ea6fd6f8b..9349fc68b81a 100644
--- a/drivers/irqchip/irq-gic-v2m.c
+++ b/drivers/irqchip/irq-gic-v2m.c
@@ -269,7 +269,7 @@ static void gicv2m_teardown(void)
 
 	list_for_each_entry_safe(v2m, tmp, &v2m_nodes, entry) {
 		list_del(&v2m->entry);
-		kfree(v2m->bm);
+		bitmap_free(v2m->bm);
 		iounmap(v2m->base);
 		of_node_put(to_of_node(v2m->fwnode));
 		if (is_fwnode_irqchip(v2m->fwnode))
@@ -386,8 +386,7 @@ static int __init gicv2m_init_one(struct fwnode_handle *fwnode,
 			break;
 		}
 	}
-	v2m->bm = kcalloc(BITS_TO_LONGS(v2m->nr_spis), sizeof(long),
-			  GFP_KERNEL);
+	v2m->bm = bitmap_zalloc(v2m->nr_spis, GFP_KERNEL);
 	if (!v2m->bm) {
 		ret = -ENOMEM;
 		goto err_iounmap;
-- 
2.30.2