linux-kernel - [PATCH 4.4 112/143] NFC: nxp-nci: Include unaligned.h instead of access

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Date:   Mon, 18 Feb 2019 14:44:00 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Clément Perrochaud 
        <clement.perrochaud@...innov.com>,
        Samuel Ortiz <sameo@...ux.intel.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Matthias Kaehlcke <mka@...omium.org>
Subject: [PATCH 4.4 112/143] NFC: nxp-nci: Include unaligned.h instead of access_ok.h

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Guenter Roeck <linux@...ck-us.net>

commit 2eee74b7e2a496dea49847c36fd09320505f45b7 upstream.

Directly including access_ok.h can result in the following compile errors
if an architecture such as ia64 does not support direct unaligned accesses.

include/linux/unaligned/access_ok.h:7:19: error:
	redefinition of 'get_unaligned_le16'
include/linux/unaligned/le_struct.h:6:19: note:
	previous definition of 'get_unaligned_le16' was here
include/linux/unaligned/access_ok.h:12:19: error:
	redefinition of 'get_unaligned_le32'
include/linux/unaligned/le_struct.h:11:19: note:
	previous definition of 'get_unaligned_le32' was here

Include asm/unaligned.h instead and let the architecture decide which
access functions to use.

Cc: Clément Perrochaud <clement.perrochaud@...innov.com>
Cc: Samuel Ortiz <sameo@...ux.intel.com>
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Samuel Ortiz <sameo@...ux.intel.com>
Cc: Matthias Kaehlcke <mka@...omium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/nfc/nxp-nci/firmware.c |    2 +-
 drivers/nfc/nxp-nci/i2c.c      |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/nfc/nxp-nci/firmware.c
+++ b/drivers/nfc/nxp-nci/firmware.c
@@ -24,7 +24,7 @@
 #include <linux/completion.h>
 #include <linux/firmware.h>
 #include <linux/nfc.h>
-#include <linux/unaligned/access_ok.h>
+#include <asm/unaligned.h>
 
 #include "nxp-nci.h"
 
--- a/drivers/nfc/nxp-nci/i2c.c
+++ b/drivers/nfc/nxp-nci/i2c.c
@@ -36,7 +36,7 @@
 #include <linux/of_gpio.h>
 #include <linux/of_irq.h>
 #include <linux/platform_data/nxp-nci.h>
-#include <linux/unaligned/access_ok.h>
+#include <asm/unaligned.h>
 
 #include <net/nfc/nfc.h>