From: Lukasz Majewski <l.majewski@samsung.com>
Date: Wed, 5 Feb 2014 09:10:41 +0000 (+0100)
Subject: usb:gadget:ums: Replace malloc calls with memalign to fix cache buffer alignment
X-Git-Tag: v2014.04-rc1~107
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=16b7a29fc6fac16431051de06d62da689360c40a;p=oweals%2Fu-boot.git

usb:gadget:ums: Replace malloc calls with memalign to fix cache buffer alignment

Calls to malloc() have been replaced by memalign. It now provides proper
buffer alignment.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Cc: Marek Vasut <marex@denx.de>
---

diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index b1fe8bd3a8..f896169743 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -2515,7 +2515,7 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common,
 buffhds_first_it:
 		bh->inreq_busy = 0;
 		bh->outreq_busy = 0;
-		bh->buf = kmalloc(FSG_BUFLEN, GFP_KERNEL);
+		bh->buf = memalign(CONFIG_SYS_CACHELINE_SIZE, FSG_BUFLEN);
 		if (unlikely(!bh->buf)) {
 			rc = -ENOMEM;
 			goto error_release;
@@ -2622,7 +2622,7 @@ usb_copy_descriptors(struct usb_descriptor_header **src)
 		bytes += (*tmp)->bLength;
 	bytes += (n_desc + 1) * sizeof(*tmp);
 
-	mem = kmalloc(bytes, GFP_KERNEL);
+	mem = memalign(CONFIG_SYS_CACHELINE_SIZE, bytes);
 	if (!mem)
 		return NULL;