linux-kernel - [PATCH 1/2] firmware: ti_sci: Use the bitmap API to allocate bitmaps

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Message-Id: <3ee11e9e83f7c1552d237f5c28f554319fcbbf1f.1657308216.git.christophe.jaillet@wanadoo.fr>
Date:   Fri,  8 Jul 2022 21:23:46 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Nishanth Menon <nm@...com>, Tero Kristo <kristo@...nel.org>,
        Santosh Shilimkar <ssantosh@...nel.org>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 1/2] firmware: ti_sci: Use the bitmap API to allocate bitmaps

Use devm_bitmap_zalloc() instead of hand-writing them.

It is less verbose and it improves the semantic.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/firmware/ti_sci.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c
index ebc32bbd9b83..522be2b75ce1 100644
--- a/drivers/firmware/ti_sci.c
+++ b/drivers/firmware/ti_sci.c
@@ -3201,9 +3201,8 @@ devm_ti_sci_get_resource_sets(const struct ti_sci_handle *handle,
 
 		valid_set = true;
 		res_count = res->desc[i].num + res->desc[i].num_sec;
-		res->desc[i].res_map =
-			devm_kzalloc(dev, BITS_TO_LONGS(res_count) *
-				     sizeof(*res->desc[i].res_map), GFP_KERNEL);
+		res->desc[i].res_map = devm_bitmap_zalloc(dev, res_count,
+							  GFP_KERNEL);
 		if (!res->desc[i].res_map)
 			return ERR_PTR(-ENOMEM);
 	}
-- 
2.34.1