Revision 36a8032d77649430f5ef11fbf0df2bb026be0b04 authored by Linus Torvalds on 26 April 2015, 20:36:02 UTC, committed by Linus Torvalds on 26 April 2015, 20:36:02 UTC
Pull chrome platform updates from Olof Johansson:
"Here's a set of updates to the Chrome OS platform drivers for this
merge window.
Main new things this cycle is:
- Driver changes to expose the lightbar to users. With this, you can
make your own blinkenlights on Chromebook Pixels.
- Changes in the way that the atmel_mxt trackpads are probed. The
laptop driver is trying to be smart and not instantiate the devices
that don't answer to probe. For the trackpad that can come up in
two modes (bootloader or regular), this gets complicated since the
driver already knows how to handle the two modes including the
actual addresses used. So now the laptop driver needs to know more
too, instantiating the regular address even if the bootloader one
is the probe that passed.
- mfd driver improvements by Javier Martines Canillas, and a few
bugfixes from him, kbuild and myself"
* tag 'chrome-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/olof/chrome-platform:
platform/chrome: chromeos_laptop - instantiate Atmel at primary address
platform/chrome: cros_ec_lpc - Depend on X86 || COMPILE_TEST
platform/chrome: cros_ec_lpc - Include linux/io.h header file
platform/chrome: fix platform_no_drv_owner.cocci warnings
platform/chrome: cros_ec_lightbar - fix duplicate const warning
platform/chrome: cros_ec_dev - fix Unknown escape '%' warning
platform/chrome: Expose Chrome OS Lightbar to users
platform/chrome: Create sysfs attributes for the ChromeOS EC
mfd: cros_ec: Instantiate ChromeOS EC character device
platform/chrome: Add Chrome OS EC userspace device interface
platform/chrome: Add cros_ec_lpc driver for x86 devices
mfd: cros_ec: Add char dev and virtual dev pointers
mfd: cros_ec: Use fixed size arrays to transfer data with the EC
uuid.c
/*
* Unified UUID/GUID definition
*
* Copyright (C) 2009, Intel Corp.
* Huang Ying <ying.huang@intel.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 as published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/uuid.h>
#include <linux/random.h>
static void __uuid_gen_common(__u8 b[16])
{
prandom_bytes(b, 16);
/* reversion 0b10 */
b[8] = (b[8] & 0x3F) | 0x80;
}
void uuid_le_gen(uuid_le *lu)
{
__uuid_gen_common(lu->b);
/* version 4 : random generation */
lu->b[7] = (lu->b[7] & 0x0F) | 0x40;
}
EXPORT_SYMBOL_GPL(uuid_le_gen);
void uuid_be_gen(uuid_be *bu)
{
__uuid_gen_common(bu->b);
/* version 4 : random generation */
bu->b[6] = (bu->b[6] & 0x0F) | 0x40;
}
EXPORT_SYMBOL_GPL(uuid_be_gen);
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