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From: akinobu.mita@gmail.com (Akinobu Mita)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/4] arm: davinci: use for_each_set_bit_from
Date: Tue,  3 Apr 2012 17:47:15 +0900	[thread overview]
Message-ID: <1333442836-9947-3-git-send-email-akinobu.mita@gmail.com> (raw)
In-Reply-To: <1333442836-9947-1-git-send-email-akinobu.mita@gmail.com>

Use for_each_set_bit_from to iterate over all the set bit in a memory
region.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: davinci-linux-open-source at linux.davincidsp.com
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-arm-kernel at lists.infradead.org
---
 arch/arm/mach-davinci/dma.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c
index fd33919..2a41339 100644
--- a/arch/arm/mach-davinci/dma.c
+++ b/arch/arm/mach-davinci/dma.c
@@ -557,9 +557,9 @@ static int reserve_contiguous_slots(int ctlr, unsigned int id,
 	if (i == edma_cc[ctlr]->num_slots)
 		stop_slot = i;
 
-	for (j = start_slot; j < stop_slot; j++)
-		if (test_bit(j, tmp_inuse))
-			clear_bit(j, edma_cc[ctlr]->edma_inuse);
+	j = start_slot;
+	for_each_set_bit_from(j, tmp_inuse, stop_slot);
+		clear_bit(j, edma_cc[ctlr]->edma_inuse);
 
 	if (count)
 		return -EBUSY;
-- 
1.7.4.4

       reply	other threads:[~2012-04-03  8:47 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1333442836-9947-1-git-send-email-akinobu.mita@gmail.com>
2012-04-03  8:47 ` Akinobu Mita [this message]
2012-04-10 16:42   ` [PATCH 3/4] arm: davinci: use for_each_set_bit_from Sekhar Nori
2012-04-10 21:08     ` Akinobu Mita
     [not found]   ` <CABkLObr4Vyp9FwxfOquFjqnh1rEaLXNAzBV4SV-PO=UA4EC2vA@mail.gmail.com>
2012-04-10 21:02     ` Akinobu Mita

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