soc: ti: k3-ringacc: Use devm_bitmap_zalloc() when applicable

'rings_inuse' and 'proxy_inuse' are bitmaps. So use 'devm_bitmap_zalloc()'
to simplify code and improve the semantic.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/45544b0d97a7bea7764292852842adf5085a7700.1640276001.git.christophe.jaillet@wanadoo.fr

drivers/soc/ti/k3-ringacc.c

@@ -1402,12 +1402,10 @@ static int k3_ringacc_init(struct platform_device *pdev,
 				      sizeof(*ringacc->rings) *
 				      ringacc->num_rings,
 				      GFP_KERNEL);
-	ringacc->rings_inuse = devm_kcalloc(dev,
-					    BITS_TO_LONGS(ringacc->num_rings),
-					    sizeof(unsigned long), GFP_KERNEL);
-	ringacc->proxy_inuse = devm_kcalloc(dev,
-					    BITS_TO_LONGS(ringacc->num_proxies),
-					    sizeof(unsigned long), GFP_KERNEL);
+	ringacc->rings_inuse = devm_bitmap_zalloc(dev, ringacc->num_rings,
+						  GFP_KERNEL);
+	ringacc->proxy_inuse = devm_bitmap_zalloc(dev, ringacc->num_proxies,
+						  GFP_KERNEL);
 
 	if (!ringacc->rings || !ringacc->rings_inuse || !ringacc->proxy_inuse)
 		return -ENOMEM;
@@ -1483,9 +1481,8 @@ struct k3_ringacc *k3_ringacc_dmarings_init(struct platform_device *pdev,
 				      sizeof(*ringacc->rings) *
 				      ringacc->num_rings * 2,
 				      GFP_KERNEL);
-	ringacc->rings_inuse = devm_kcalloc(dev,
-					    BITS_TO_LONGS(ringacc->num_rings),
-					    sizeof(unsigned long), GFP_KERNEL);
+	ringacc->rings_inuse = devm_bitmap_zalloc(dev, ringacc->num_rings,
+						  GFP_KERNEL);
 
 	if (!ringacc->rings || !ringacc->rings_inuse)
 		return ERR_PTR(-ENOMEM);