From: Wambui Karuga <wambui.karugax@gmail.com>
To: outreachy-kernel@googlegroups.com
Cc: gregkh@linuxfoundation.org, devel@driverdev.osuosl.org,
linux-kernel@vger.kernel.org, eric@anholt.net, wahrenst@gmx.net,
bcm-kernel-feedback-list@broadcom.com,
linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH] staging: vc04_services: use DIV_ROUND_UP helper macro
Date: Sun, 13 Oct 2019 21:47:50 +0300 [thread overview]
Message-ID: <20191013184750.32766-1-wambui.karugax@gmail.com> (raw)
Replace open-coded division calculation with the DIV_ROUND_UP
helper macro for better readability.
Issue found using coccinelle:
@@
expression n,d;
@@
(
- ((n + d - 1) / d)
+ DIV_ROUND_UP(n,d)
|
- ((n + (d - 1)) / d)
+ DIV_ROUND_UP(n,d)
)
Signed-off-by: Wambui Karuga <wambui.karugax@gmail.com>
---
.../staging/vc04_services/interface/vchiq_arm/vchiq_core.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h
index 63f71b2a492f..75104986201b 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h
@@ -60,8 +60,8 @@ vchiq_static_assert(IS_POW2(VCHIQ_MAX_SLOTS_PER_SIDE));
#define VCHIQ_SLOT_MASK (VCHIQ_SLOT_SIZE - 1)
#define VCHIQ_SLOT_QUEUE_MASK (VCHIQ_MAX_SLOTS_PER_SIDE - 1)
-#define VCHIQ_SLOT_ZERO_SLOTS ((sizeof(struct vchiq_slot_zero) + \
- VCHIQ_SLOT_SIZE - 1) / VCHIQ_SLOT_SIZE)
+#define VCHIQ_SLOT_ZERO_SLOTS DIV_ROUND_UP(sizeof(struct vchiq_slot_zero), \
+ VCHIQ_SLOT_SIZE)
#define VCHIQ_MSG_PADDING 0 /* - */
#define VCHIQ_MSG_CONNECT 1 /* - */
--
2.23.0
reply other threads:[~2019-10-13 18:48 UTC|newest]
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