summaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/alpha/kernel/syscalls/syscall.tbl1
-rw-r--r--arch/arm/include/asm/hardware/iop3xx.h2
-rw-r--r--arch/arm/mach-iop32x/em7210.c3
-rw-r--r--arch/arm/mach-iop32x/glantank.c3
-rw-r--r--arch/arm/mach-iop32x/iq31244.c3
-rw-r--r--arch/arm/mach-iop32x/iq80321.c3
-rw-r--r--arch/arm/mach-iop32x/n2100.c2
-rw-r--r--arch/arm/plat-iop/i2c.c24
-rw-r--r--arch/arm64/kernel/pci.c13
-rw-r--r--arch/ia64/kernel/syscalls/syscall.tbl1
-rw-r--r--arch/m68k/kernel/syscalls/syscall.tbl1
-rw-r--r--arch/mips/kernel/syscalls/syscall_n32.tbl1
-rw-r--r--arch/mips/kernel/syscalls/syscall_n64.tbl1
-rw-r--r--arch/mips/kernel/syscalls/syscall_o32.tbl1
-rw-r--r--arch/parisc/kernel/syscalls/syscall.tbl1
-rw-r--r--arch/powerpc/kernel/syscalls/syscall.tbl1
-rw-r--r--arch/s390/kernel/syscalls/syscall.tbl1
-rw-r--r--arch/sh/kernel/syscalls/syscall.tbl1
-rw-r--r--arch/sparc/kernel/syscalls/syscall.tbl1
-rw-r--r--arch/x86/Kconfig2
-rw-r--r--arch/x86/ia32/sys_ia32.c4
21 files changed, 67 insertions, 3 deletions
diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl
index 1db9bbcfb84e..728fe028c02c 100644
--- a/arch/alpha/kernel/syscalls/syscall.tbl
+++ b/arch/alpha/kernel/syscalls/syscall.tbl
@@ -474,3 +474,4 @@
542 common fsmount sys_fsmount
543 common fspick sys_fspick
544 common pidfd_open sys_pidfd_open
+# 545 reserved for clone3
diff --git a/arch/arm/include/asm/hardware/iop3xx.h b/arch/arm/include/asm/hardware/iop3xx.h
index 64714c869f9f..3cb6f22f510b 100644
--- a/arch/arm/include/asm/hardware/iop3xx.h
+++ b/arch/arm/include/asm/hardware/iop3xx.h
@@ -302,6 +302,8 @@ extern struct platform_device iop3xx_dma_1_channel;
extern struct platform_device iop3xx_aau_channel;
extern struct platform_device iop3xx_i2c0_device;
extern struct platform_device iop3xx_i2c1_device;
+extern struct gpiod_lookup_table iop3xx_i2c0_gpio_lookup;
+extern struct gpiod_lookup_table iop3xx_i2c1_gpio_lookup;
#endif
diff --git a/arch/arm/mach-iop32x/em7210.c b/arch/arm/mach-iop32x/em7210.c
index 493de4fd8b2e..61a1e593f9ec 100644
--- a/arch/arm/mach-iop32x/em7210.c
+++ b/arch/arm/mach-iop32x/em7210.c
@@ -20,6 +20,7 @@
#include <linux/platform_device.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
+#include <linux/gpio/machine.h>
#include <mach/hardware.h>
#include <linux/io.h>
#include <linux/irq.h>
@@ -207,6 +208,8 @@ static void __init em7210_init_machine(void)
{
register_iop32x_gpio();
platform_device_register(&em7210_serial_device);
+ gpiod_add_lookup_table(&iop3xx_i2c0_gpio_lookup);
+ gpiod_add_lookup_table(&iop3xx_i2c1_gpio_lookup);
platform_device_register(&iop3xx_i2c0_device);
platform_device_register(&iop3xx_i2c1_device);
platform_device_register(&em7210_flash_device);
diff --git a/arch/arm/mach-iop32x/glantank.c b/arch/arm/mach-iop32x/glantank.c
index 84cdb4587b34..5a45d616d9ac 100644
--- a/arch/arm/mach-iop32x/glantank.c
+++ b/arch/arm/mach-iop32x/glantank.c
@@ -21,6 +21,7 @@
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/io.h>
+#include <linux/gpio/machine.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
@@ -185,6 +186,8 @@ static void glantank_power_off(void)
static void __init glantank_init_machine(void)
{
register_iop32x_gpio();
+ gpiod_add_lookup_table(&iop3xx_i2c0_gpio_lookup);
+ gpiod_add_lookup_table(&iop3xx_i2c1_gpio_lookup);
platform_device_register(&iop3xx_i2c0_device);
platform_device_register(&iop3xx_i2c1_device);
platform_device_register(&glantank_flash_device);
diff --git a/arch/arm/mach-iop32x/iq31244.c b/arch/arm/mach-iop32x/iq31244.c
index b177e3900616..8755aa87e591 100644
--- a/arch/arm/mach-iop32x/iq31244.c
+++ b/arch/arm/mach-iop32x/iq31244.c
@@ -22,6 +22,7 @@
#include <linux/mtd/physmap.h>
#include <linux/platform_device.h>
#include <linux/io.h>
+#include <linux/gpio/machine.h>
#include <mach/hardware.h>
#include <asm/cputype.h>
#include <asm/irq.h>
@@ -281,6 +282,8 @@ void ep80219_power_off(void)
static void __init iq31244_init_machine(void)
{
register_iop32x_gpio();
+ gpiod_add_lookup_table(&iop3xx_i2c0_gpio_lookup);
+ gpiod_add_lookup_table(&iop3xx_i2c1_gpio_lookup);
platform_device_register(&iop3xx_i2c0_device);
platform_device_register(&iop3xx_i2c1_device);
platform_device_register(&iq31244_flash_device);
diff --git a/arch/arm/mach-iop32x/iq80321.c b/arch/arm/mach-iop32x/iq80321.c
index 815b9f070007..e12699d1c540 100644
--- a/arch/arm/mach-iop32x/iq80321.c
+++ b/arch/arm/mach-iop32x/iq80321.c
@@ -19,6 +19,7 @@
#include <linux/mtd/physmap.h>
#include <linux/platform_device.h>
#include <linux/io.h>
+#include <linux/gpio/machine.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
@@ -168,6 +169,8 @@ static struct platform_device iq80321_serial_device = {
static void __init iq80321_init_machine(void)
{
register_iop32x_gpio();
+ gpiod_add_lookup_table(&iop3xx_i2c0_gpio_lookup);
+ gpiod_add_lookup_table(&iop3xx_i2c1_gpio_lookup);
platform_device_register(&iop3xx_i2c0_device);
platform_device_register(&iop3xx_i2c1_device);
platform_device_register(&iq80321_flash_device);
diff --git a/arch/arm/mach-iop32x/n2100.c b/arch/arm/mach-iop32x/n2100.c
index 1948180594f4..26d76b377e79 100644
--- a/arch/arm/mach-iop32x/n2100.c
+++ b/arch/arm/mach-iop32x/n2100.c
@@ -27,6 +27,7 @@
#include <linux/reboot.h>
#include <linux/io.h>
#include <linux/gpio.h>
+#include <linux/gpio/machine.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
@@ -341,6 +342,7 @@ device_initcall(n2100_request_gpios);
static void __init n2100_init_machine(void)
{
register_iop32x_gpio();
+ gpiod_add_lookup_table(&iop3xx_i2c0_gpio_lookup);
platform_device_register(&iop3xx_i2c0_device);
platform_device_register(&n2100_flash_device);
platform_device_register(&n2100_serial_device);
diff --git a/arch/arm/plat-iop/i2c.c b/arch/arm/plat-iop/i2c.c
index 7a79213db3e1..dfbd7c332866 100644
--- a/arch/arm/plat-iop/i2c.c
+++ b/arch/arm/plat-iop/i2c.c
@@ -16,6 +16,7 @@
#include <linux/tty.h>
#include <linux/serial_core.h>
#include <linux/io.h>
+#include <linux/gpio/machine.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include <asm/mach/map.h>
@@ -34,6 +35,29 @@
#define IRQ_IOP3XX_I2C_1 IRQ_IOP33X_I2C_1
#endif
+/*
+ * Each of the I2C busses have corresponding GPIO lines, and the driver
+ * need to access these directly to drive the bus low at times.
+ */
+
+struct gpiod_lookup_table iop3xx_i2c0_gpio_lookup = {
+ .dev_id = "IOP3xx-I2C.0",
+ .table = {
+ GPIO_LOOKUP("gpio-iop", 7, "scl", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("gpio-iop", 6, "sda", GPIO_ACTIVE_HIGH),
+ { }
+ },
+};
+
+struct gpiod_lookup_table iop3xx_i2c1_gpio_lookup = {
+ .dev_id = "IOP3xx-I2C.1",
+ .table = {
+ GPIO_LOOKUP("gpio-iop", 5, "scl", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("gpio-iop", 4, "sda", GPIO_ACTIVE_HIGH),
+ { }
+ },
+};
+
static struct resource iop3xx_i2c0_resources[] = {
[0] = {
.start = 0xfffff680,
diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c
index 575bd5517d21..570988c7a7ff 100644
--- a/arch/arm64/kernel/pci.c
+++ b/arch/arm64/kernel/pci.c
@@ -164,6 +164,7 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
struct acpi_pci_generic_root_info *ri;
struct pci_bus *bus, *child;
struct acpi_pci_root_ops *root_ops;
+ struct pci_host_bridge *host;
ri = kzalloc(sizeof(*ri), GFP_KERNEL);
if (!ri)
@@ -189,8 +190,16 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
if (!bus)
return NULL;
- pci_bus_size_bridges(bus);
- pci_bus_assign_resources(bus);
+ /* If we must preserve the resource configuration, claim now */
+ host = pci_find_host_bridge(bus);
+ if (host->preserve_config)
+ pci_bus_claim_resources(bus);
+
+ /*
+ * Assign whatever was left unassigned. If we didn't claim above,
+ * this will reassign everything.
+ */
+ pci_assign_unassigned_root_bus_resources(bus);
list_for_each_entry(child, &bus->children, node)
pcie_bus_configure_settings(child);
diff --git a/arch/ia64/kernel/syscalls/syscall.tbl b/arch/ia64/kernel/syscalls/syscall.tbl
index ecc44926737b..36d5faf4c86c 100644
--- a/arch/ia64/kernel/syscalls/syscall.tbl
+++ b/arch/ia64/kernel/syscalls/syscall.tbl
@@ -355,3 +355,4 @@
432 common fsmount sys_fsmount
433 common fspick sys_fspick
434 common pidfd_open sys_pidfd_open
+# 435 reserved for clone3
diff --git a/arch/m68k/kernel/syscalls/syscall.tbl b/arch/m68k/kernel/syscalls/syscall.tbl
index 9a3eb2558568..a88a285a0e5f 100644
--- a/arch/m68k/kernel/syscalls/syscall.tbl
+++ b/arch/m68k/kernel/syscalls/syscall.tbl
@@ -434,3 +434,4 @@
432 common fsmount sys_fsmount
433 common fspick sys_fspick
434 common pidfd_open sys_pidfd_open
+# 435 reserved for clone3
diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl
index 97035e19ad03..c9c879ec9b6d 100644
--- a/arch/mips/kernel/syscalls/syscall_n32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n32.tbl
@@ -373,3 +373,4 @@
432 n32 fsmount sys_fsmount
433 n32 fspick sys_fspick
434 n32 pidfd_open sys_pidfd_open
+# 435 reserved for clone3
diff --git a/arch/mips/kernel/syscalls/syscall_n64.tbl b/arch/mips/kernel/syscalls/syscall_n64.tbl
index d7292722d3b0..bbce9159caa1 100644
--- a/arch/mips/kernel/syscalls/syscall_n64.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n64.tbl
@@ -349,3 +349,4 @@
432 n64 fsmount sys_fsmount
433 n64 fspick sys_fspick
434 n64 pidfd_open sys_pidfd_open
+# 435 reserved for clone3
diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl
index dba084c92f14..9653591428ec 100644
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_o32.tbl
@@ -422,3 +422,4 @@
432 o32 fsmount sys_fsmount
433 o32 fspick sys_fspick
434 o32 pidfd_open sys_pidfd_open
+# 435 reserved for clone3
diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl
index 5022b9e179c2..c7aadfef5386 100644
--- a/arch/parisc/kernel/syscalls/syscall.tbl
+++ b/arch/parisc/kernel/syscalls/syscall.tbl
@@ -431,3 +431,4 @@
432 common fsmount sys_fsmount
433 common fspick sys_fspick
434 common pidfd_open sys_pidfd_open
+# 435 reserved for clone3
diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
index f2c3bda2d39f..3331749aab20 100644
--- a/arch/powerpc/kernel/syscalls/syscall.tbl
+++ b/arch/powerpc/kernel/syscalls/syscall.tbl
@@ -516,3 +516,4 @@
432 common fsmount sys_fsmount
433 common fspick sys_fspick
434 common pidfd_open sys_pidfd_open
+# 435 reserved for clone3
diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl
index 6ebacfeaf853..a90d3e945445 100644
--- a/arch/s390/kernel/syscalls/syscall.tbl
+++ b/arch/s390/kernel/syscalls/syscall.tbl
@@ -437,3 +437,4 @@
432 common fsmount sys_fsmount sys_fsmount
433 common fspick sys_fspick sys_fspick
434 common pidfd_open sys_pidfd_open sys_pidfd_open
+# 435 reserved for clone3
diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/syscall.tbl
index 834c9c7d79fa..b5ed26c4c005 100644
--- a/arch/sh/kernel/syscalls/syscall.tbl
+++ b/arch/sh/kernel/syscalls/syscall.tbl
@@ -437,3 +437,4 @@
432 common fsmount sys_fsmount
433 common fspick sys_fspick
434 common pidfd_open sys_pidfd_open
+# 435 reserved for clone3
diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl
index c58e71f21129..8c8cc7537fb2 100644
--- a/arch/sparc/kernel/syscalls/syscall.tbl
+++ b/arch/sparc/kernel/syscalls/syscall.tbl
@@ -480,3 +480,4 @@
432 common fsmount sys_fsmount
433 common fspick sys_fspick
434 common pidfd_open sys_pidfd_open
+# 435 reserved for clone3
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index d0bbca65e4a4..879741336771 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2482,7 +2482,7 @@ menuconfig APM
machines with more than one CPU.
In order to use APM, you will need supporting software. For location
- and more information, read <file:Documentation/power/apm-acpi.txt>
+ and more information, read <file:Documentation/power/apm-acpi.rst>
and the Battery Powered Linux mini-HOWTO, available from
<http://www.tldp.org/docs.html#howto>.
diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c
index 64a6c952091e..21790307121e 100644
--- a/arch/x86/ia32/sys_ia32.c
+++ b/arch/x86/ia32/sys_ia32.c
@@ -239,6 +239,7 @@ COMPAT_SYSCALL_DEFINE5(x86_clone, unsigned long, clone_flags,
{
struct kernel_clone_args args = {
.flags = (clone_flags & ~CSIGNAL),
+ .pidfd = parent_tidptr,
.child_tid = child_tidptr,
.parent_tid = parent_tidptr,
.exit_signal = (clone_flags & CSIGNAL),
@@ -246,5 +247,8 @@ COMPAT_SYSCALL_DEFINE5(x86_clone, unsigned long, clone_flags,
.tls = tls_val,
};
+ if (!legacy_clone_args_valid(&args))
+ return -EINVAL;
+
return _do_fork(&args);
}