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powerpc updates for 4.16

Browse source 
Highlights:
 
  - Enable support for memory protection keys aka "pkeys" on Power7/8/9 when
    using the hash table MMU.
 
  - Extend our interrupt soft masking to support masking PMU interrupts as well
    as "normal" interrupts, and then use that to implement local_t for a ~4x
    speedup vs the current atomics-based implementation.
 
  - A new driver "ocxl" for "Open Coherent Accelerator Processor Interface
    (OpenCAPI)" devices.
 
  - Support for new device tree properties on PowerVM to describe hotpluggable
    memory and devices.
 
  - Add support for CLOCK_{REALTIME/MONOTONIC}_COARSE to the 64-bit VDSO.
 
  - Freescale updates from Scott:
      "Contains fixes for CPM GPIO and an FSL PCI erratum workaround, plus a
       minor cleanup patch."
 
 As well as quite a lot of other changes all over the place, and small fixes and
 cleanups as always.
 
 Thanks to:
   Alan Modra, Alastair D'Silva, Alexey Kardashevskiy, Alistair Popple, Andreas
   Schwab, Andrew Donnellan, Aneesh Kumar K.V, Anju T Sudhakar, Anshuman
   Khandual, Anton Blanchard, Arnd Bergmann, Balbir Singh, Benjamin
   Herrenschmidt, Bhaktipriya Shridhar, Bryant G. Ly, Cédric Le Goater,
   Christophe Leroy, Christophe Lombard, Cyril Bur, David Gibson, Desnes A. Nunes
   do Rosario, Dmitry Torokhov, Frederic Barrat, Geert Uytterhoeven, Guilherme G.
   Piccoli, Gustavo A. R. Silva, Gustavo Romero, Ivan Mikhaylov, Joakim
   Tjernlund, Joe Perches, Josh Poimboeuf, Juan J. Alvarez, Julia Cartwright,
   Kamalesh Babulal, Madhavan Srinivasan, Mahesh Salgaonkar, Mathieu Malaterre,
   Michael Bringmann, Michael Hanselmann, Michael Neuling, Nathan Fontenot,
   Naveen N. Rao, Nicholas Piggin, Paul Mackerras, Philippe Bergheaud, Ram Pai,
   Russell Currey, Santosh Sivaraj, Scott Wood, Seth Forshee, Simon Guo, Stewart
   Smith, Sukadev Bhattiprolu, Thiago Jung Bauermann, Vaibhav Jain, Vasyl
   Gomonovych.
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Merge tag 'powerpc-4.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:
 "Highlights:

   - Enable support for memory protection keys aka "pkeys" on Power7/8/9
     when using the hash table MMU.

   - Extend our interrupt soft masking to support masking PMU interrupts
     as well as "normal" interrupts, and then use that to implement
     local_t for a ~4x speedup vs the current atomics-based
     implementation.

   - A new driver "ocxl" for "Open Coherent Accelerator Processor
     Interface (OpenCAPI)" devices.

   - Support for new device tree properties on PowerVM to describe
     hotpluggable memory and devices.

   - Add support for CLOCK_{REALTIME/MONOTONIC}_COARSE to the 64-bit
     VDSO.

   - Freescale updates from Scott: fixes for CPM GPIO and an FSL PCI
     erratum workaround, plus a minor cleanup patch.

  As well as quite a lot of other changes all over the place, and small
  fixes and cleanups as always.

  Thanks to: Alan Modra, Alastair D'Silva, Alexey Kardashevskiy,
  Alistair Popple, Andreas Schwab, Andrew Donnellan, Aneesh Kumar K.V,
  Anju T Sudhakar, Anshuman Khandual, Anton Blanchard, Arnd Bergmann,
  Balbir Singh, Benjamin Herrenschmidt, Bhaktipriya Shridhar, Bryant G.
  Ly, Cédric Le Goater, Christophe Leroy, Christophe Lombard, Cyril Bur,
  David Gibson, Desnes A. Nunes do Rosario, Dmitry Torokhov, Frederic
  Barrat, Geert Uytterhoeven, Guilherme G. Piccoli, Gustavo A. R. Silva,
  Gustavo Romero, Ivan Mikhaylov, Joakim Tjernlund, Joe Perches, Josh
  Poimboeuf, Juan J. Alvarez, Julia Cartwright, Kamalesh Babulal,
  Madhavan Srinivasan, Mahesh Salgaonkar, Mathieu Malaterre, Michael
  Bringmann, Michael Hanselmann, Michael Neuling, Nathan Fontenot,
  Naveen N. Rao, Nicholas Piggin, Paul Mackerras, Philippe Bergheaud,
  Ram Pai, Russell Currey, Santosh Sivaraj, Scott Wood, Seth Forshee,
  Simon Guo, Stewart Smith, Sukadev Bhattiprolu, Thiago Jung Bauermann,
  Vaibhav Jain, Vasyl Gomonovych"

* tag 'powerpc-4.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (199 commits)
  powerpc/mm/radix: Fix build error when RADIX_MMU=n
  macintosh/ams-input: Use true and false for boolean values
  macintosh: change some data types from int to bool
  powerpc/watchdog: Print the NIP in soft_nmi_interrupt()
  powerpc/watchdog: regs can't be null in soft_nmi_interrupt()
  powerpc/watchdog: Tweak watchdog printks
  powerpc/cell: Remove axonram driver
  rtc-opal: Fix handling of firmware error codes, prevent busy loops
  powerpc/mpc52xx_gpt: make use of raw_spinlock variants
  macintosh/adb: Properly mark continued kernel messages
  powerpc/pseries: Fix cpu hotplug crash with memoryless nodes
  powerpc/numa: Ensure nodes initialized for hotplug
  powerpc/numa: Use ibm,max-associativity-domains to discover possible nodes
  powerpc/kernel: Block interrupts when updating TIDR
  powerpc/powernv/idoa: Remove unnecessary pcidev from pci_dn
  powerpc/mm/nohash: do not flush the entire mm when range is a single page
  powerpc/pseries: Add Initialization of VF Bars
  powerpc/pseries/pci: Associate PEs to VFs in configure SR-IOV
  powerpc/eeh: Add EEH notify resume sysfs
  powerpc/eeh: Add EEH operations to notify resume
  ...
This commit is contained in:
Linus Torvalds 2018-02-02 10:01:04 -08:00
commit 03f51d4efa
320 changed files with 11609 additions and 3056 deletions
Download patch file Download diff file Expand all files Collapse all files

24
drivers/macintosh/adb.c
View file

@ -203,18 +203,17 @@ static int adb_scan_bus(void)
}
/* Now fill in the handler_id field of the adb_handler entries. */
printk(KERN_DEBUG "adb devices:");
pr_debug("adb devices:\n");
for (i = 1; i < 16; i++) {
if (adb_handler[i].original_address == 0)
continue;
adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1,
(i << 4) | 0xf);
adb_handler[i].handler_id = req.reply[2];
printk(" [%d]: %d %x", i, adb_handler[i].original_address,
adb_handler[i].handler_id);
pr_debug(" [%d]: %d %x\n", i, adb_handler[i].original_address,
adb_handler[i].handler_id);
devmask |= 1 << i;
}
printk("\n");
return devmask;
}
@ -225,9 +224,9 @@ static int adb_scan_bus(void)
static int
adb_probe_task(void *x)
{
printk(KERN_INFO "adb: starting probe task...\n");
pr_debug("adb: starting probe task...\n");
do_adb_reset_bus();
printk(KERN_INFO "adb: finished probe task...\n");
pr_debug("adb: finished probe task...\n");
up(&adb_probe_mutex);
@ -337,7 +336,7 @@ static int __init adb_init(void)
adb_controller->init())
adb_controller = NULL;
if (adb_controller == NULL) {
printk(KERN_WARNING "Warning: no ADB interface detected\n");
pr_warn("Warning: no ADB interface detected\n");
} else {
#ifdef CONFIG_PPC
if (of_machine_is_compatible("AAPL,PowerBook1998") ||
@ -480,8 +479,7 @@ adb_register(int default_id, int handler_id, struct adb_ids *ids,
(!handler_id || (handler_id == adb_handler[i].handler_id) ||
try_handler_change(i, handler_id))) {
if (adb_handler[i].handler != 0) {
printk(KERN_ERR
"Two handlers for ADB device %d\n",
pr_err("Two handlers for ADB device %d\n",
default_id);
continue;
}
@ -535,10 +533,10 @@ adb_input(unsigned char *buf, int nb, int autopoll)
id = buf[0] >> 4;
if (dump_adb_input) {
printk(KERN_INFO "adb packet: ");
pr_info("adb packet: ");
for (i = 0; i < nb; ++i)
printk(" %x", buf[i]);
printk(", id = %d\n", id);
pr_cont(" %x", buf[i]);
pr_cont(", id = %d\n", id);
}
write_lock_irqsave(&adb_handler_lock, flags);
handler = adb_handler[id].handler;
@ -884,7 +882,7 @@ static void __init
adbdev_init(void)
{
if (register_chrdev(ADB_MAJOR, "adb", &adb_fops)) {
printk(KERN_ERR "adb: unable to get major %d\n", ADB_MAJOR);
pr_err("adb: unable to get major %d\n", ADB_MAJOR);
return;
}

55
drivers/macintosh/adbhid.c
View file

@ -268,7 +268,7 @@ adbhid_keyboard_input(unsigned char *data, int nb, int apoll)
int id = (data[0] >> 4) & 0x0f;
if (!adbhid[id]) {
printk(KERN_ERR "ADB HID on ID %d not yet registered, packet %#02x, %#02x, %#02x, %#02x\n",
pr_err("ADB HID on ID %d not yet registered, packet %#02x, %#02x, %#02x, %#02x\n",
id, data[0], data[1], data[2], data[3]);
return;
}
@ -320,8 +320,7 @@ adbhid_input_keycode(int id, int scancode, int repeat)
ahid->flags &= ~FLAG_CAPSLOCK_TRANSLATE;
}
} else {
printk(KERN_INFO "Spurious caps lock event "
"(scancode 0xff).\n");
pr_info("Spurious caps lock event (scancode 0xff).\n");
}
}
}
@ -397,8 +396,8 @@ adbhid_input_keycode(int id, int scancode, int repeat)
input_report_key(adbhid[id]->input, key, !up_flag);
input_sync(adbhid[id]->input);
} else
printk(KERN_INFO "Unhandled ADB key (scancode %#02x) %s.\n", keycode,
up_flag ? "released" : "pressed");
pr_info("Unhandled ADB key (scancode %#02x) %s.\n", keycode,
up_flag ? "released" : "pressed");
}
@ -408,7 +407,7 @@ adbhid_mouse_input(unsigned char *data, int nb, int autopoll)
int id = (data[0] >> 4) & 0x0f;
if (!adbhid[id]) {
printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id);
pr_err("ADB HID on ID %d not yet registered\n", id);
return;
}
@ -506,7 +505,7 @@ adbhid_buttons_input(unsigned char *data, int nb, int autopoll)
int id = (data[0] >> 4) & 0x0f;
if (!adbhid[id]) {
printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id);
pr_err("ADB HID on ID %d not yet registered\n", id);
return;
}
@ -534,8 +533,8 @@ adbhid_buttons_input(unsigned char *data, int nb, int autopoll)
break;
default:
printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n",
data[0], data[1], data[2], data[3]);
pr_info("Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n",
data[0], data[1], data[2], data[3]);
break;
}
}
@ -609,14 +608,14 @@ adbhid_buttons_input(unsigned char *data, int nb, int autopoll)
break;
default:
printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n",
data[0], data[1], data[2], data[3]);
pr_info("Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n",
data[0], data[1], data[2], data[3]);
break;
}
break;
default:
printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n",
data[0], data[1], data[2], data[3]);
pr_info("Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n",
data[0], data[1], data[2], data[3]);
break;
}
}
@ -760,7 +759,7 @@ adbhid_input_register(int id, int default_id, int original_handler_id,
int i;
if (adbhid[id]) {
printk(KERN_ERR "Trying to reregister ADB HID on ID %d\n", id);
pr_err("Trying to reregister ADB HID on ID %d\n", id);
return -EEXIST;
}
@ -799,24 +798,24 @@ adbhid_input_register(int id, int default_id, int original_handler_id,
memcpy(hid->keycode, adb_to_linux_keycodes, sizeof(adb_to_linux_keycodes));
printk(KERN_INFO "Detected ADB keyboard, type ");
pr_info("Detected ADB keyboard, type ");
switch (original_handler_id) {
default:
printk("<unknown>.\n");
pr_cont("<unknown>.\n");
input_dev->id.version = ADB_KEYBOARD_UNKNOWN;
break;
case 0x01: case 0x02: case 0x03: case 0x06: case 0x08:
case 0x0C: case 0x10: case 0x18: case 0x1B: case 0x1C:
case 0xC0: case 0xC3: case 0xC6:
printk("ANSI.\n");
pr_cont("ANSI.\n");
input_dev->id.version = ADB_KEYBOARD_ANSI;
break;
case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D:
case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1:
case 0xC4: case 0xC7:
printk("ISO, swapping keys.\n");
pr_cont("ISO, swapping keys.\n");
input_dev->id.version = ADB_KEYBOARD_ISO;
i = hid->keycode[10];
hid->keycode[10] = hid->keycode[50];
@ -825,7 +824,7 @@ adbhid_input_register(int id, int default_id, int original_handler_id,
case 0x12: case 0x15: case 0x16: case 0x17: case 0x1A:
case 0x1E: case 0xC2: case 0xC5: case 0xC8: case 0xC9:
printk("JIS.\n");
pr_cont("JIS.\n");
input_dev->id.version = ADB_KEYBOARD_JIS;
break;
}
@ -884,7 +883,7 @@ adbhid_input_register(int id, int default_id, int original_handler_id,
/* else fall through */
default:
printk(KERN_INFO "Trying to register unknown ADB device to input layer.\n");
pr_info("Trying to register unknown ADB device to input layer.\n");
err = -ENODEV;
goto fail;
}
@ -1073,12 +1072,12 @@ adbhid_probe(void)
(req.reply[1] == 0x4b) && (req.reply[2] == 0x4f) &&
(req.reply[3] == 0x49) && (req.reply[4] == 0x54)) {
if (adb_try_handler_change(id, 0x42)) {
printk("\nADB MacAlly 2-button mouse at %d, handler set to 0x42", id);
pr_cont("\nADB MacAlly 2-button mouse at %d, handler set to 0x42", id);
mouse_kind = ADBMOUSE_MACALLY2;
}
}
}
printk("\n");
pr_cont("\n");
adb_get_infos(id, &default_id, &cur_handler_id);
reg |= adbhid_input_reregister(id, default_id, org_handler_id,
@ -1093,12 +1092,12 @@ init_trackpad(int id)
struct adb_request req;
unsigned char r1_buffer[8];
printk(" (trackpad)");
pr_cont(" (trackpad)");
adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1,
ADB_READREG(id,1));
if (req.reply_len < 8)
printk("bad length for reg. 1\n");
pr_cont("bad length for reg. 1\n");
else
{
memcpy(r1_buffer, &req.reply[1], 8);
@ -1146,7 +1145,7 @@ init_trackball(int id)
{
struct adb_request req;
printk(" (trackman/mouseman)");
pr_cont(" (trackman/mouseman)");
adb_request(&req, NULL, ADBREQ_SYNC, 3,
ADB_WRITEREG(id,1), 00,0x81);
@ -1178,7 +1177,7 @@ init_turbomouse(int id)
{
struct adb_request req;
printk(" (TurboMouse 5)");
pr_cont(" (TurboMouse 5)");
adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
@ -1214,7 +1213,7 @@ init_microspeed(int id)
{
struct adb_request req;
printk(" (Microspeed/MacPoint or compatible)");
pr_cont(" (Microspeed/MacPoint or compatible)");
adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
@ -1254,7 +1253,7 @@ init_ms_a3(int id)
{
struct adb_request req;
printk(" (Mouse Systems A3 Mouse, or compatible)");
pr_cont(" (Mouse Systems A3 Mouse, or compatible)");
adb_request(&req, NULL, ADBREQ_SYNC, 3,
ADB_WRITEREG(id, 0x2),
0x00,

4
drivers/macintosh/ams/ams-input.c
View file

@ -91,7 +91,7 @@ static int ams_input_enable(void)
return error;
}
joystick = 1;
joystick = true;
return 0;
}
@ -104,7 +104,7 @@ static void ams_input_disable(void)
ams_info.idev = NULL;
}
joystick = 0;
joystick = false;
}
static ssize_t ams_input_show_joystick(struct device *dev,

4
drivers/macintosh/therm_adt746x.c
View file

@ -230,7 +230,7 @@ static void update_fans_speed (struct thermostat *th)
/* we don't care about local sensor, so we start at sensor 1 */
for (i = 1; i < 3; i++) {
int started = 0;
bool started = false;
int fan_number = (th->type == ADT7460 && i == 2);
int var = th->temps[i] - th->limits[i];
@ -243,7 +243,7 @@ static void update_fans_speed (struct thermostat *th)
if (abs(var - th->last_var[fan_number]) < 2)
continue;
started = 1;
started = true;
new_speed = fan_speed + ((var-1)*step);
if (new_speed < fan_speed)

2
drivers/macintosh/via-pmu-backlight.c
View file

@ -137,7 +137,7 @@ void pmu_backlight_set_sleep(int sleep)
}
#endif /* CONFIG_PM */
void __init pmu_backlight_init()
void __init pmu_backlight_init(void)
{
struct backlight_properties props;
struct backlight_device *bd;

8
drivers/macintosh/windfarm_pm112.c
View file

@ -96,14 +96,14 @@ static int cpu_last_target;
static struct wf_pid_state backside_pid;
static int backside_tick;
static struct wf_pid_state slots_pid;
static int slots_started;
static bool slots_started;
static struct wf_pid_state drive_bay_pid;
static int drive_bay_tick;
static int nr_cores;
static int have_all_controls;
static int have_all_sensors;
static int started;
static bool started;
static int failure_state;
#define FAILURE_SENSOR 1
@ -462,7 +462,7 @@ static void slots_fan_tick(void)
/* first time; initialize things */
printk(KERN_INFO "windfarm: Slots control loop started.\n");
wf_pid_init(&slots_pid, &slots_param);
slots_started = 1;
slots_started = true;
}
err = slots_power->ops->get_value(slots_power, &power);
@ -506,7 +506,7 @@ static void pm112_tick(void)
int i, last_failure;
if (!started) {
started = 1;
started = true;
printk(KERN_INFO "windfarm: CPUs control loops started.\n");
for (i = 0; i < nr_cores; ++i) {
if (create_cpu_loop(i) < 0) {

5
drivers/macintosh/windfarm_pm121.c
View file

@ -246,7 +246,8 @@ enum {
static struct wf_control *controls[N_CONTROLS] = {};
/* Set to kick the control loop into life */
static int pm121_all_controls_ok, pm121_all_sensors_ok, pm121_started;
static int pm121_all_controls_ok, pm121_all_sensors_ok;
static bool pm121_started;
enum {
FAILURE_FAN = 1 << 0,
@ -806,7 +807,7 @@ static void pm121_tick(void)
pm121_create_sys_fans(i);
pm121_create_cpu_fans();
pm121_started = 1;
pm121_started = true;
}
/* skipping ticks */

2
drivers/macintosh/windfarm_pm72.c
View file

@ -611,7 +611,7 @@ static void pm72_tick(void)
int i, last_failure;
if (!started) {
started = 1;
started = true;
printk(KERN_INFO "windfarm: CPUs control loops started.\n");
for (i = 0; i < nr_chips; ++i) {
if (cpu_setup_pid(i) < 0) {

5
drivers/macintosh/windfarm_pm81.c
View file

@ -140,7 +140,8 @@ static struct wf_control *fan_system;
static struct wf_control *cpufreq_clamp;
/* Set to kick the control loop into life */
static int wf_smu_all_controls_ok, wf_smu_all_sensors_ok, wf_smu_started;
static int wf_smu_all_controls_ok, wf_smu_all_sensors_ok;
static bool wf_smu_started;
/* Failure handling.. could be nicer */
#define FAILURE_FAN 0x01
@ -549,7 +550,7 @@ static void wf_smu_tick(void)
DBG("wf: creating control loops !\n");
wf_smu_create_sys_fans();
wf_smu_create_cpu_fans();
wf_smu_started = 1;
wf_smu_started = true;
}
/* Skipping ticks */

5
drivers/macintosh/windfarm_pm91.c
View file

@ -75,7 +75,8 @@ static struct wf_control *fan_slots;
static struct wf_control *cpufreq_clamp;
/* Set to kick the control loop into life */
static int wf_smu_all_controls_ok, wf_smu_all_sensors_ok, wf_smu_started;
static int wf_smu_all_controls_ok, wf_smu_all_sensors_ok;
static bool wf_smu_started;
static bool wf_smu_overtemp;
/* Failure handling.. could be nicer */
@ -467,7 +468,7 @@ static void wf_smu_tick(void)
wf_smu_create_drive_fans();
wf_smu_create_slots_fans();
wf_smu_create_cpu_fans();
wf_smu_started = 1;
wf_smu_started = true;
}
/* Skipping ticks */

2
drivers/macintosh/windfarm_rm31.c
View file

@ -514,7 +514,7 @@ static void rm31_tick(void)
int i, last_failure;
if (!started) {
started = 1;
started = true;
printk(KERN_INFO "windfarm: CPUs control loops started.\n");
for (i = 0; i < nr_chips; ++i) {
if (cpu_setup_pid(i) < 0) {