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

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Calls to malloc() have been replaced by memalign.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>
This commit is contained in:
Lukasz Majewski 2014-02-05 10:10:41 +01:00 • committed by Marek Vasut
parent e141652b9c
commit 16b7a29fc6
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/gadget/f_mass_storage.c
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@ -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;