Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/arm/mach-prima2/Kconfig b/arch/arm/mach-prima2/Kconfig
index 7426211..6f66785 100644
--- a/arch/arm/mach-prima2/Kconfig
+++ b/arch/arm/mach-prima2/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
menuconfig ARCH_SIRF
bool "CSR SiRF"
depends on ARCH_MULTI_V7
diff --git a/arch/arm/mach-prima2/common.c b/arch/arm/mach-prima2/common.c
index ffe05c2..e2d158e 100644
--- a/arch/arm/mach-prima2/common.c
+++ b/arch/arm/mach-prima2/common.c
@@ -1,14 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Defines machines for CSR SiRFprimaII
*
* Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
- *
- * Licensed under GPLv2 or later.
*/
#include <linux/init.h>
#include <linux/kernel.h>
-#include <asm/sizes.h>
+#include <linux/sizes.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <linux/of.h>
diff --git a/arch/arm/mach-prima2/common.h b/arch/arm/mach-prima2/common.h
index 6d77b62..3bab7e5 100644
--- a/arch/arm/mach-prima2/common.h
+++ b/arch/arm/mach-prima2/common.h
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* This file contains common function prototypes to avoid externs in the c files.
*
* Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
- *
- * Licensed under GPLv2 or later.
*/
#ifndef __MACH_PRIMA2_COMMON_H__
@@ -15,6 +14,8 @@
#include <asm/mach/time.h>
#include <asm/exception.h>
+extern volatile int prima2_pen_release;
+
extern const struct smp_operations sirfsoc_smp_ops;
extern void sirfsoc_secondary_startup(void);
extern void sirfsoc_cpu_die(unsigned int cpu);
diff --git a/arch/arm/mach-prima2/headsmp.S b/arch/arm/mach-prima2/headsmp.S
index 209d9fc..88ea124 100644
--- a/arch/arm/mach-prima2/headsmp.S
+++ b/arch/arm/mach-prima2/headsmp.S
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Entry of the second core for CSR Marco dual-core SMP SoCs
*
* Copyright (c) 2012 Cambridge Silicon Radio Limited, a CSR plc group company.
- *
- * Licensed under GPLv2 or later.
*/
#include <linux/linkage.h>
@@ -34,4 +33,4 @@
.align
1: .long .
- .long pen_release
+ .long prima2_pen_release
diff --git a/arch/arm/mach-prima2/hotplug.c b/arch/arm/mach-prima2/hotplug.c
index a728c78..bc0d957 100644
--- a/arch/arm/mach-prima2/hotplug.c
+++ b/arch/arm/mach-prima2/hotplug.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* CPU hotplug support for CSR Marco dual-core SMP SoCs
*
* Copyright (c) 2012 Cambridge Silicon Radio Limited, a CSR plc group company.
- *
- * Licensed under GPLv2 or later.
*/
#include <linux/kernel.h>
@@ -11,6 +10,7 @@
#include <linux/smp.h>
#include <asm/smp_plat.h>
+#include "common.h"
static inline void platform_do_lowpower(unsigned int cpu)
{
@@ -18,7 +18,7 @@
for (;;) {
__asm__ __volatile__("dsb\n\t" "wfi\n\t"
: : : "memory");
- if (pen_release == cpu_logical_map(cpu)) {
+ if (prima2_pen_release == cpu_logical_map(cpu)) {
/*
* OK, proper wakeup, we're done
*/
diff --git a/arch/arm/mach-prima2/platsmp.c b/arch/arm/mach-prima2/platsmp.c
index 75ef5d4..8f7bbb5 100644
--- a/arch/arm/mach-prima2/platsmp.c
+++ b/arch/arm/mach-prima2/platsmp.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* plat smp support for CSR Marco dual-core SMP SoCs
*
* Copyright (c) 2012 Cambridge Silicon Radio Limited, a CSR plc group company.
- *
- * Licensed under GPLv2 or later.
*/
#include <linux/init.h>
@@ -24,13 +23,16 @@
static DEFINE_SPINLOCK(boot_lock);
+/* XXX prima2_pen_release is cargo culted code - DO NOT COPY XXX */
+volatile int prima2_pen_release = -1;
+
static void sirfsoc_secondary_init(unsigned int cpu)
{
/*
* let the primary processor know we're out of the
* pen, then head off into the C entry point
*/
- pen_release = -1;
+ prima2_pen_release = -1;
smp_wmb();
/*
@@ -80,13 +82,13 @@
/*
* The secondary processor is waiting to be released from
* the holding pen - release it, then wait for it to flag
- * that it has been released by resetting pen_release.
+ * that it has been released by resetting prima2_pen_release.
*
- * Note that "pen_release" is the hardware CPU ID, whereas
+ * Note that "prima2_pen_release" is the hardware CPU ID, whereas
* "cpu" is Linux's internal ID.
*/
- pen_release = cpu_logical_map(cpu);
- sync_cache_w(&pen_release);
+ prima2_pen_release = cpu_logical_map(cpu);
+ sync_cache_w(&prima2_pen_release);
/*
* Send the secondary CPU SEV, thereby causing the boot monitor to read
@@ -97,7 +99,7 @@
timeout = jiffies + (1 * HZ);
while (time_before(jiffies, timeout)) {
smp_rmb();
- if (pen_release == -1)
+ if (prima2_pen_release == -1)
break;
udelay(10);
@@ -109,7 +111,7 @@
*/
spin_unlock(&boot_lock);
- return pen_release != -1 ? -ENOSYS : 0;
+ return prima2_pen_release != -1 ? -ENOSYS : 0;
}
const struct smp_operations sirfsoc_smp_ops __initconst = {
diff --git a/arch/arm/mach-prima2/pm.c b/arch/arm/mach-prima2/pm.c
index b0bcf1f..c24bc89 100644
--- a/arch/arm/mach-prima2/pm.c
+++ b/arch/arm/mach-prima2/pm.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* power management entry for CSR SiRFprimaII
*
* Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
- *
- * Licensed under GPLv2 or later.
*/
#include <linux/kernel.h>
diff --git a/arch/arm/mach-prima2/pm.h b/arch/arm/mach-prima2/pm.h
index bae6d77..0aff6cb 100644
--- a/arch/arm/mach-prima2/pm.h
+++ b/arch/arm/mach-prima2/pm.h
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* arch/arm/mach-prima2/pm.h
*
* Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
- *
- * Licensed under GPLv2 or later.
*/
#ifndef _MACH_PRIMA2_PM_H_
diff --git a/arch/arm/mach-prima2/rstc.c b/arch/arm/mach-prima2/rstc.c
index 7c251eb..9d56606 100644
--- a/arch/arm/mach-prima2/rstc.c
+++ b/arch/arm/mach-prima2/rstc.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* reset controller for CSR SiRFprimaII
*
* Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
- *
- * Licensed under GPLv2 or later.
*/
#include <linux/kernel.h>
diff --git a/arch/arm/mach-prima2/rtciobrg.c b/arch/arm/mach-prima2/rtciobrg.c
index d4852d2..97c0e33 100644
--- a/arch/arm/mach-prima2/rtciobrg.c
+++ b/arch/arm/mach-prima2/rtciobrg.c
@@ -1,10 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* RTC I/O Bridge interfaces for CSR SiRFprimaII/atlas7
* ARM access the registers of SYSRTC, GPSRTC and PWRC through this module
*
* Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
- *
- * Licensed under GPLv2 or later.
*/
#include <linux/kernel.h>
diff --git a/arch/arm/mach-prima2/sleep.S b/arch/arm/mach-prima2/sleep.S
index 0745abc..d9bbc5c 100644
--- a/arch/arm/mach-prima2/sleep.S
+++ b/arch/arm/mach-prima2/sleep.S
@@ -1,9 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* sleep mode for CSR SiRFprimaII
*
* Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
- *
- * Licensed under GPLv2 or later.
*/
#include <linux/linkage.h>