mail archive of the barebox mailing list
 help / color / mirror / Atom feed
From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 8/9] partition: Use dma_alloc for allocating buffers
Date: Thu, 21 Jun 2012 11:55:16 +0200	[thread overview]
Message-ID: <1340272517-8972-9-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1340272517-8972-1-git-send-email-s.hauer@pengutronix.de>

Drivers may use dma to transfer blocks, so put them into
dma save memory.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 common/partitions.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/common/partitions.c b/common/partitions.c
index 74b4f12..3d92838 100644
--- a/common/partitions.c
+++ b/common/partitions.c
@@ -31,6 +31,7 @@
 #include <block.h>
 #include <asm/unaligned.h>
 #include <disks.h>
+#include <dma.h>
 
 struct partition {
 	uint64_t first_sec;
@@ -102,7 +103,7 @@ static void __maybe_unused try_dos_partition(struct block_device *blk,
 	struct partition pentry;
 	int i, rc;
 
-	buffer = xmalloc(SECTOR_SIZE);
+	buffer = dma_alloc(SECTOR_SIZE);
 
 	/* read in the MBR to get the partition table */
 	rc = blk->ops->read(blk, buffer, 0, 1);
@@ -142,7 +143,7 @@ static void __maybe_unused try_dos_partition(struct block_device *blk,
 	}
 
 on_error:
-	free(buffer);
+	dma_free(buffer);
 }
 
 /**
-- 
1.7.10


_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox

  parent reply	other threads:[~2012-06-21  9:55 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-21  9:55 [PATCH] more dma fixes Sascha Hauer
2012-06-21  9:55 ` [PATCH 1/9] USB core: allocate setup_packet using dma_alloc Sascha Hauer
2012-06-21  9:55 ` [PATCH 2/9] USB core: device descriptor " Sascha Hauer
2012-06-21  9:55 ` [PATCH 3/9] USB core: Allocate tmpbuf " Sascha Hauer
2012-06-21  9:55 ` [PATCH 4/9] USB ehci: Use dma coherent buffers for qh/qtd Sascha Hauer
2012-06-21  9:55 ` [PATCH 5/9] USB ehci: put fields of struct qTD directly into struct QH Sascha Hauer
2012-06-21  9:55 ` [PATCH 6/9] USB storage: use dma_alloc where appropriate Sascha Hauer
2012-06-21  9:55 ` [PATCH 7/9] block: use dma_alloc to allocate buffers Sascha Hauer
2012-06-21  9:55 ` Sascha Hauer [this message]
2012-06-21  9:55 ` [PATCH 9/9] USB ehci: rework cache handling Sascha Hauer

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1340272517-8972-9-git-send-email-s.hauer@pengutronix.de \
    --to=s.hauer@pengutronix.de \
    --cc=barebox@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox