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staging: vc04_services: use DIV_ROUND_UP helper macro

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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>
Link: https://lore.kernel.org/r/20191013184750.32766-1-wambui.karugax@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wambui Karuga 2019-10-13 21:47:50 +03:00 committed by Greg Kroah-Hartman
parent 51a50b26c6
commit 388fa43d59
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h
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@ -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 /* - */