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Date: Fri, 10 Mar 2023 19:07:47 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Daniele Ceraolo Spurio <daniele.ceraolospurio@...el.com>,
Alexander Usyskin <alexander.usyskin@...el.com>,
Vitaly Lubart <vitaly.lubart@...el.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Tomas Winkler <tomas.winkler@...el.com>,
Alexander Graf <graf@...zon.com>, linux-kernel@...r.kernel.org
Cc: Arnd Bergmann <arnd@...db.de>
Subject: [PATCH v1 1/1] mei: Move uuid.h to the MEI namespace
There is only a single user of the UUID uAPI, let's make it
part of that user.
The way it's done is to prevent compilation time breakage for
the user space that does
#include <linux/uuid.h>
In the future MEI user space tools can switch over to use mei_uuid.h.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
MAINTAINERS | 1 +
drivers/misc/mei/bus-fixup.c | 2 +-
drivers/misc/mei/hdcp/mei_hdcp.c | 2 +-
drivers/misc/mei/hw.h | 2 +-
drivers/misc/mei/main.c | 1 -
drivers/misc/mei/pxp/mei_pxp.c | 2 +-
include/linux/mod_devicetable.h | 1 +
include/linux/uuid.h | 3 ---
include/uapi/linux/mei.h | 2 +-
include/uapi/linux/{uuid.h => mei_uuid.h} | 7 +++--
include/uapi/linux/uuid.h | 31 +----------------------
11 files changed, 11 insertions(+), 43 deletions(-)
copy include/uapi/linux/{uuid.h => mei_uuid.h} (79%)
diff --git a/MAINTAINERS b/MAINTAINERS
index 2892858cb040..defcedce9fe9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10479,6 +10479,7 @@ F: drivers/watchdog/mei_wdt.c
F: include/linux/mei_aux.h
F: include/linux/mei_cl_bus.h
F: include/uapi/linux/mei.h
+F: include/uapi/linux/mei_uuid.h
F: include/uapi/linux/uuid.h
F: samples/mei/*
diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c
index 211536109308..31e3c74ca1f1 100644
--- a/drivers/misc/mei/bus-fixup.c
+++ b/drivers/misc/mei/bus-fixup.c
@@ -9,8 +9,8 @@
#include <linux/module.h>
#include <linux/device.h>
#include <linux/slab.h>
-#include <linux/uuid.h>
+#include <linux/mei.h>
#include <linux/mei_cl_bus.h>
#include "mei_dev.h"
diff --git a/drivers/misc/mei/hdcp/mei_hdcp.c b/drivers/misc/mei/hdcp/mei_hdcp.c
index e0dcd5c114db..45e3d4d27797 100644
--- a/drivers/misc/mei/hdcp/mei_hdcp.c
+++ b/drivers/misc/mei/hdcp/mei_hdcp.c
@@ -18,7 +18,7 @@
#include <linux/module.h>
#include <linux/slab.h>
-#include <linux/uuid.h>
+#include <linux/mei.h>
#include <linux/mei_cl_bus.h>
#include <linux/component.h>
#include <drm/drm_connector.h>
diff --git a/drivers/misc/mei/hw.h b/drivers/misc/mei/hw.h
index 319418ddf4fb..e910302fcd1f 100644
--- a/drivers/misc/mei/hw.h
+++ b/drivers/misc/mei/hw.h
@@ -7,7 +7,7 @@
#ifndef _MEI_HW_TYPES_H_
#define _MEI_HW_TYPES_H_
-#include <linux/uuid.h>
+#include <linux/mei.h>
/*
* Timeouts in Seconds
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 632d4ae21e46..c64291741d73 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -18,7 +18,6 @@
#include <linux/ioctl.h>
#include <linux/cdev.h>
#include <linux/sched/signal.h>
-#include <linux/uuid.h>
#include <linux/compat.h>
#include <linux/jiffies.h>
#include <linux/interrupt.h>
diff --git a/drivers/misc/mei/pxp/mei_pxp.c b/drivers/misc/mei/pxp/mei_pxp.c
index 7ee1fa7b1cb3..3bf560bbdee0 100644
--- a/drivers/misc/mei/pxp/mei_pxp.c
+++ b/drivers/misc/mei/pxp/mei_pxp.c
@@ -13,7 +13,7 @@
#include <linux/module.h>
#include <linux/slab.h>
-#include <linux/uuid.h>
+#include <linux/mei.h>
#include <linux/mei_cl_bus.h>
#include <linux/component.h>
#include <drm/drm_connector.h>
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 549590e9c644..35203ca3fc37 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -9,6 +9,7 @@
#define LINUX_MOD_DEVICETABLE_H
#ifdef __KERNEL__
+#include <linux/mei.h>
#include <linux/types.h>
#include <linux/uuid.h>
typedef unsigned long kernel_ulong_t;
diff --git a/include/linux/uuid.h b/include/linux/uuid.h
index 6b1a3efa1e0b..43d4a79b273d 100644
--- a/include/linux/uuid.h
+++ b/include/linux/uuid.h
@@ -107,7 +107,4 @@ extern const u8 uuid_index[16];
int guid_parse(const char *uuid, guid_t *u);
int uuid_parse(const char *uuid, uuid_t *u);
-/* MEI UUID type, don't use anywhere else */
-#include <uapi/linux/uuid.h>
-
#endif
diff --git a/include/uapi/linux/mei.h b/include/uapi/linux/mei.h
index 4f3638489d01..6e57743628c0 100644
--- a/include/uapi/linux/mei.h
+++ b/include/uapi/linux/mei.h
@@ -7,7 +7,7 @@
#ifndef _LINUX_MEI_H
#define _LINUX_MEI_H
-#include <linux/uuid.h>
+#include <linux/mei_uuid.h>
/*
* This IOCTL is used to associate the current file descriptor with a
diff --git a/include/uapi/linux/uuid.h b/include/uapi/linux/mei_uuid.h
similarity index 79%
copy from include/uapi/linux/uuid.h
copy to include/uapi/linux/mei_uuid.h
index 96ac684a4b2f..676ebe12d623 100644
--- a/include/uapi/linux/uuid.h
+++ b/include/uapi/linux/mei_uuid.h
@@ -1,5 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-/* DO NOT USE in new code! This is solely for MEI due to legacy reasons */
/*
* MEI UUID definition
*
@@ -7,8 +6,8 @@
* Huang Ying <ying.huang@...el.com>
*/
-#ifndef _UAPI_LINUX_UUID_H_
-#define _UAPI_LINUX_UUID_H_
+#ifndef _UAPI_LINUX_MEI_UUID_H_
+#define _UAPI_LINUX_MEI_UUID_H_
#include <linux/types.h>
@@ -27,4 +26,4 @@ typedef struct {
UUID_LE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \
0x00, 0x00, 0x00, 0x00)
-#endif /* _UAPI_LINUX_UUID_H_ */
+#endif /* _UAPI_LINUX_MEI_UUID_H_ */
diff --git a/include/uapi/linux/uuid.h b/include/uapi/linux/uuid.h
index 96ac684a4b2f..8443738f4bb2 100644
--- a/include/uapi/linux/uuid.h
+++ b/include/uapi/linux/uuid.h
@@ -1,30 +1 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-/* DO NOT USE in new code! This is solely for MEI due to legacy reasons */
-/*
- * MEI UUID definition
- *
- * Copyright (C) 2010, Intel Corp.
- * Huang Ying <ying.huang@...el.com>
- */
-
-#ifndef _UAPI_LINUX_UUID_H_
-#define _UAPI_LINUX_UUID_H_
-
-#include <linux/types.h>
-
-typedef struct {
- __u8 b[16];
-} uuid_le;
-
-#define UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
-((uuid_le) \
-{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
- (b) & 0xff, ((b) >> 8) & 0xff, \
- (c) & 0xff, ((c) >> 8) & 0xff, \
- (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
-
-#define NULL_UUID_LE \
- UUID_LE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \
- 0x00, 0x00, 0x00, 0x00)
-
-#endif /* _UAPI_LINUX_UUID_H_ */
+#include <linux/mei_uuid.h>
--
2.39.1
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