Commit cc02f499 authored by Lorenzo "Palinuro" Faletra's avatar Lorenzo "Palinuro" Faletra
Browse files

Import Upstream version 5.4.13

parent 086e5551
......@@ -460,6 +460,7 @@ CONFIG_FONT_8x8=y
CONFIG_FONT_8x16=y
CONFIG_PRINTK_TIME=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_FS=y
# CONFIG_SCHED_DEBUG is not set
CONFIG_PROVE_LOCKING=y
# CONFIG_DEBUG_BUGVERBOSE is not set
......
......@@ -552,5 +552,6 @@ CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_SPLIT=y
CONFIG_DEBUG_INFO_DWARF4=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_FS=y
CONFIG_SCHEDSTATS=y
# CONFIG_DEBUG_BUGVERBOSE is not set
......@@ -224,8 +224,8 @@ void release_thread(struct task_struct *dead_task)
asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
int
copy_thread(unsigned long clone_flags, unsigned long stack_start,
unsigned long stk_sz, struct task_struct *p)
copy_thread_tls(unsigned long clone_flags, unsigned long stack_start,
unsigned long stk_sz, struct task_struct *p, unsigned long tls)
{
struct thread_info *thread = task_thread_info(p);
struct pt_regs *childregs = task_pt_regs(p);
......@@ -259,7 +259,7 @@ copy_thread(unsigned long clone_flags, unsigned long stack_start,
clear_ptrace_hw_breakpoint(p);
if (clone_flags & CLONE_SETTLS)
thread->tp_value[0] = childregs->ARM_r3;
thread->tp_value[0] = tls;
thread->tp_value[1] = get_tpuser();
thread_notify(THREAD_NOTIFY_COPY, thread);
......
......@@ -240,6 +240,10 @@ int __cpu_disable(void)
if (ret)
return ret;
#ifdef CONFIG_GENERIC_ARCH_TOPOLOGY
remove_cpu_topology(cpu);
#endif
/*
* Take this CPU offline. Once we clear this, we can't return,
* and we must not schedule until we're ready to give up the cpu.
......
......@@ -196,9 +196,8 @@ void store_cpu_topology(unsigned int cpuid)
struct cpu_topology *cpuid_topo = &cpu_topology[cpuid];
unsigned int mpidr;
/* If the cpu topology has been already set, just return */
if (cpuid_topo->core_id != -1)
return;
if (cpuid_topo->package_id != -1)
goto topology_populated;
mpidr = read_cpuid_mpidr();
......@@ -231,14 +230,15 @@ void store_cpu_topology(unsigned int cpuid)
cpuid_topo->package_id = -1;
}
update_siblings_masks(cpuid);
update_cpu_capacity(cpuid);
pr_info("CPU%u: thread %d, cpu %d, socket %d, mpidr %x\n",
cpuid, cpu_topology[cpuid].thread_id,
cpu_topology[cpuid].core_id,
cpu_topology[cpuid].package_id, mpidr);
topology_populated:
update_siblings_masks(cpuid);
}
static inline int cpu_corepower_flags(void)
......
......@@ -551,8 +551,9 @@ static struct clk *ve_spc_clk_register(struct device *cpu_dev)
static int __init ve_spc_clk_init(void)
{
int cpu;
int cpu, cluster;
struct clk *clk;
bool init_opp_table[MAX_CLUSTERS] = { false };
if (!info)
return 0; /* Continue only if SPC is initialised */
......@@ -578,8 +579,17 @@ static int __init ve_spc_clk_init(void)
continue;
}
cluster = topology_physical_package_id(cpu_dev->id);
if (init_opp_table[cluster])
continue;
if (ve_init_opp_table(cpu_dev))
pr_warn("failed to initialise cpu%d opp table\n", cpu);
else if (dev_pm_opp_set_sharing_cpus(cpu_dev,
topology_core_cpumask(cpu_dev->id)))
pr_warn("failed to mark OPPs shared for cpu%d\n", cpu);
else
init_opp_table[cluster] = true;
}
platform_device_register_simple("vexpress-spc-cpufreq", -1, NULL, 0);
......
......@@ -139,6 +139,7 @@ config ARM64
select HAVE_CMPXCHG_DOUBLE
select HAVE_CMPXCHG_LOCAL
select HAVE_CONTEXT_TRACKING
select HAVE_COPY_THREAD_TLS
select HAVE_DEBUG_BUGVERBOSE
select HAVE_DEBUG_KMEMLEAK
select HAVE_DMA_CONTIGUOUS
......
......@@ -296,7 +296,7 @@ &uart_AO {
};
&usb0_phy {
status = "okay";
status = "disabled";
phy-supply = <&usb_otg_pwr>;
};
......@@ -306,7 +306,7 @@ &usb1_phy {
};
&usb0 {
status = "okay";
status = "disabled";
};
&usb1 {
......
......@@ -192,6 +192,9 @@ &uart_A {
bluetooth {
compatible = "brcm,bcm43438-bt";
shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
max-speed = <2000000>;
clocks = <&wifi32k>;
clock-names = "lpo";
};
};
......
......@@ -409,6 +409,9 @@ &uart_A {
bluetooth {
compatible = "brcm,bcm43438-bt";
shutdown-gpios = <&gpio GPIOX_17 GPIO_ACTIVE_HIGH>;
max-speed = <2000000>;
clocks = <&wifi32k>;
clock-names = "lpo";
};
};
......
......@@ -102,7 +102,7 @@ pclk: clock-apb {
reboot {
compatible ="syscon-reboot";
regmap = <&dcfg>;
regmap = <&rst>;
offset = <0xb0>;
mask = <0x02>;
};
......@@ -161,6 +161,12 @@ dcfg: syscon@1e00000 {
big-endian;
};
rst: syscon@1e60000 {
compatible = "syscon";
reg = <0x0 0x1e60000 0x0 0x10000>;
little-endian;
};
scfg: syscon@1fc0000 {
compatible = "fsl,ls1028a-scfg", "syscon";
reg = <0x0 0x1fc0000 0x0 0x10000>;
......@@ -567,7 +573,7 @@ tmu: tmu@1f00000 {
0x00010004 0x0000003d
0x00010005 0x00000045
0x00010006 0x0000004d
0x00010007 0x00000045
0x00010007 0x00000055
0x00010008 0x0000005e
0x00010009 0x00000066
0x0001000a 0x0000006e
......
......@@ -623,6 +623,8 @@ l20 {
l21 {
regulator-min-microvolt = <2950000>;
regulator-max-microvolt = <2950000>;
regulator-allow-set-load;
regulator-system-load = <200000>;
};
l22 {
regulator-min-microvolt = <3300000>;
......
......@@ -23,6 +23,43 @@ vph_pwr: vph-pwr-regulator {
};
};
/*
* The laptop FW does not appear to support the retention state as it is
* not advertised as enabled in ACPI, and enabling it in DT can cause boot
* hangs.
*/
&CPU0 {
cpu-idle-states = <&LITTLE_CPU_SLEEP_1>;
};
&CPU1 {
cpu-idle-states = <&LITTLE_CPU_SLEEP_1>;
};
&CPU2 {
cpu-idle-states = <&LITTLE_CPU_SLEEP_1>;
};
&CPU3 {
cpu-idle-states = <&LITTLE_CPU_SLEEP_1>;
};
&CPU4 {
cpu-idle-states = <&BIG_CPU_SLEEP_1>;
};
&CPU5 {
cpu-idle-states = <&BIG_CPU_SLEEP_1>;
};
&CPU6 {
cpu-idle-states = <&BIG_CPU_SLEEP_1>;
};
&CPU7 {
cpu-idle-states = <&BIG_CPU_SLEEP_1>;
};
&qusb2phy {
status = "okay";
......
......@@ -384,7 +384,7 @@ static int __xts_crypt(struct skcipher_request *req, bool encrypt,
goto xts_tail;
kernel_neon_end();
skcipher_walk_done(&walk, nbytes);
err = skcipher_walk_done(&walk, nbytes);
}
if (err || likely(!tail))
......
......@@ -85,13 +85,12 @@
#define PAGE_SHARED_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_RDONLY | PTE_NG | PTE_PXN | PTE_WRITE)
#define PAGE_READONLY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_RDONLY | PTE_NG | PTE_PXN | PTE_UXN)
#define PAGE_READONLY_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_RDONLY | PTE_NG | PTE_PXN)
#define PAGE_EXECONLY __pgprot(_PAGE_DEFAULT | PTE_RDONLY | PTE_NG | PTE_PXN)
#define __P000 PAGE_NONE
#define __P001 PAGE_READONLY
#define __P010 PAGE_READONLY
#define __P011 PAGE_READONLY
#define __P100 PAGE_EXECONLY
#define __P100 PAGE_READONLY_EXEC
#define __P101 PAGE_READONLY_EXEC
#define __P110 PAGE_READONLY_EXEC
#define __P111 PAGE_READONLY_EXEC
......@@ -100,7 +99,7 @@
#define __S001 PAGE_READONLY
#define __S010 PAGE_SHARED
#define __S011 PAGE_SHARED
#define __S100 PAGE_EXECONLY
#define __S100 PAGE_READONLY_EXEC
#define __S101 PAGE_READONLY_EXEC
#define __S110 PAGE_SHARED_EXEC
#define __S111 PAGE_SHARED_EXEC
......
......@@ -96,12 +96,8 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
#define pte_dirty(pte) (pte_sw_dirty(pte) || pte_hw_dirty(pte))
#define pte_valid(pte) (!!(pte_val(pte) & PTE_VALID))
/*
* Execute-only user mappings do not have the PTE_USER bit set. All valid
* kernel mappings have the PTE_UXN bit set.
*/
#define pte_valid_not_user(pte) \
((pte_val(pte) & (PTE_VALID | PTE_USER | PTE_UXN)) == (PTE_VALID | PTE_UXN))
((pte_val(pte) & (PTE_VALID | PTE_USER)) == PTE_VALID)
#define pte_valid_young(pte) \
((pte_val(pte) & (PTE_VALID | PTE_AF)) == (PTE_VALID | PTE_AF))
#define pte_valid_user(pte) \
......@@ -117,8 +113,8 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
/*
* p??_access_permitted() is true for valid user mappings (subject to the
* write permission check) other than user execute-only which do not have the
* PTE_USER bit set. PROT_NONE mappings do not have the PTE_VALID bit set.
* write permission check). PROT_NONE mappings do not have the PTE_VALID bit
* set.
*/
#define pte_access_permitted(pte, write) \
(pte_valid_user(pte) && (!(write) || pte_write(pte)))
......
......@@ -42,7 +42,6 @@
#endif
#define __ARCH_WANT_SYS_CLONE
#define __ARCH_WANT_SYS_CLONE3
#ifndef __COMPAT_SYSCALL_NR
#include <uapi/asm/unistd.h>
......
......@@ -19,5 +19,6 @@
#define __ARCH_WANT_NEW_STAT
#define __ARCH_WANT_SET_GET_RLIMIT
#define __ARCH_WANT_TIME32_SYSCALLS
#define __ARCH_WANT_SYS_CLONE3
#include <asm-generic/unistd.h>
......@@ -575,6 +575,7 @@ static const struct midr_range spectre_v2_safe_list[] = {
MIDR_ALL_VERSIONS(MIDR_CORTEX_A53),
MIDR_ALL_VERSIONS(MIDR_CORTEX_A55),
MIDR_ALL_VERSIONS(MIDR_BRAHMA_B53),
MIDR_ALL_VERSIONS(MIDR_HISI_TSV110),
{ /* sentinel */ }
};
......
......@@ -360,8 +360,8 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
asmlinkage void ret_from_fork(void) asm("ret_from_fork");
int copy_thread(unsigned long clone_flags, unsigned long stack_start,
unsigned long stk_sz, struct task_struct *p)
int copy_thread_tls(unsigned long clone_flags, unsigned long stack_start,
unsigned long stk_sz, struct task_struct *p, unsigned long tls)
{
struct pt_regs *childregs = task_pt_regs(p);
......@@ -394,11 +394,11 @@ int copy_thread(unsigned long clone_flags, unsigned long stack_start,
}
/*
* If a TLS pointer was passed to clone (4th argument), use it
* for the new thread.
* If a TLS pointer was passed to clone, use it for the new
* thread.
*/
if (clone_flags & CLONE_SETTLS)
p->thread.uw.tp_value = childregs->regs[3];
p->thread.uw.tp_value = tls;
} else {
memset(childregs, 0, sizeof(struct pt_regs));
childregs->pstate = PSR_MODE_EL1h;
......
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