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
  ...

16 files changed, 136 insertions, 511 deletions

diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile
index 0baba21404dc..9861407d644a 100644
--- a/arch/powerpc/sysdev/Makefile
+++ b/arch/powerpc/sysdev/Makefile
@@ -32,7 +32,6 @@ mv64x60-$(CONFIG_PCI)		+= mv64x60_pci.o
 obj-$(CONFIG_MV64X60)		+= $(mv64x60-y) mv64x60_pic.o mv64x60_dev.o \
 				   mv64x60_udbg.o
 obj-$(CONFIG_RTC_DRV_CMOS)	+= rtc_cmos_setup.o
-obj-$(CONFIG_AXON_RAM)		+= axonram.o
 
 obj-$(CONFIG_PPC_INDIRECT_PCI)	+= indirect_pci.o
 obj-$(CONFIG_PPC_I8259)		+= i8259.o
@@ -43,7 +42,8 @@ obj-$(CONFIG_OF_RTC)		+= of_rtc.o
 
 obj-$(CONFIG_CPM)		+= cpm_common.o
 obj-$(CONFIG_CPM1)		+= cpm1.o
-obj-$(CONFIG_CPM2)		+= cpm2.o cpm2_pic.o
+obj-$(CONFIG_CPM2)		+= cpm2.o cpm2_pic.o cpm_gpio.o
+obj-$(CONFIG_8xx_GPIO)		+= cpm_gpio.o
 obj-$(CONFIG_QUICC_ENGINE)	+= cpm_common.o
 obj-$(CONFIG_PPC_DCR)		+= dcr.o
 obj-$(CONFIG_UCODE_PATCH)	+= micropatch.o
diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c
deleted file mode 100644
index 1b307c80b401..000000000000
--- a/arch/powerpc/sysdev/axonram.c
+++ /dev/null
@@ -1,383 +0,0 @@
-/*
- * (C) Copyright IBM Deutschland Entwicklung GmbH 2006
- *
- * Author: Maxim Shchetynin <maxim@de.ibm.com>
- *
- * Axon DDR2 device driver.
- * It registers one block device per Axon's DDR2 memory bank found on a system.
- * Block devices are called axonram?, their major and minor numbers are
- * available in /proc/devices, /proc/partitions or in /sys/block/axonram?/dev.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/bio.h>
-#include <linux/blkdev.h>
-#include <linux/dax.h>
-#include <linux/device.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/genhd.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/ioport.h>
-#include <linux/irq.h>
-#include <linux/irqreturn.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/mod_devicetable.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/of_device.h>
-#include <linux/of_platform.h>
-#include <linux/pfn_t.h>
-#include <linux/uio.h>
-
-#include <asm/page.h>
-#include <asm/prom.h>
-
-#define AXON_RAM_MODULE_NAME		"axonram"
-#define AXON_RAM_DEVICE_NAME		"axonram"
-#define AXON_RAM_MINORS_PER_DISK	16
-#define AXON_RAM_BLOCK_SHIFT		PAGE_SHIFT
-#define AXON_RAM_BLOCK_SIZE		1 << AXON_RAM_BLOCK_SHIFT
-#define AXON_RAM_SECTOR_SHIFT		9
-#define AXON_RAM_SECTOR_SIZE		1 << AXON_RAM_SECTOR_SHIFT
-#define AXON_RAM_IRQ_FLAGS		IRQF_SHARED | IRQF_TRIGGER_RISING
-
-static int azfs_major, azfs_minor;
-
-struct axon_ram_bank {
-	struct platform_device	*device;
-	struct gendisk		*disk;
-	struct dax_device	*dax_dev;
-	unsigned int		irq_id;
-	unsigned long		ph_addr;
-	unsigned long		io_addr;
-	unsigned long		size;
-	unsigned long		ecc_counter;
-};
-
-static ssize_t
-axon_ram_sysfs_ecc(struct device *dev, struct device_attribute *attr, char *buf)
-{
-	struct platform_device *device = to_platform_device(dev);
-	struct axon_ram_bank *bank = device->dev.platform_data;
-
-	BUG_ON(!bank);
-
-	return sprintf(buf, "%ld\n", bank->ecc_counter);
-}
-
-static DEVICE_ATTR(ecc, S_IRUGO, axon_ram_sysfs_ecc, NULL);
-
-/**
- * axon_ram_irq_handler - interrupt handler for Axon RAM ECC
- * @irq: interrupt ID
- * @dev: pointer to of_device
- */
-static irqreturn_t
-axon_ram_irq_handler(int irq, void *dev)
-{
-	struct platform_device *device = dev;
-	struct axon_ram_bank *bank = device->dev.platform_data;
-
-	BUG_ON(!bank);
-
-	dev_err(&device->dev, "Correctable memory error occurred\n");
-	bank->ecc_counter++;
-	return IRQ_HANDLED;
-}
-
-/**
- * axon_ram_make_request - make_request() method for block device
- * @queue, @bio: see blk_queue_make_request()
- */
-static blk_qc_t
-axon_ram_make_request(struct request_queue *queue, struct bio *bio)
-{
-	struct axon_ram_bank *bank = bio->bi_disk->private_data;
-	unsigned long phys_mem, phys_end;
-	void *user_mem;
-	struct bio_vec vec;
-	unsigned int transfered;
-	struct bvec_iter iter;
-
-	phys_mem = bank->io_addr + (bio->bi_iter.bi_sector <<
-				    AXON_RAM_SECTOR_SHIFT);
-	phys_end = bank->io_addr + bank->size;
-	transfered = 0;
-	bio_for_each_segment(vec, bio, iter) {
-		if (unlikely(phys_mem + vec.bv_len > phys_end)) {
-			bio_io_error(bio);
-			return BLK_QC_T_NONE;
-		}
-
-		user_mem = page_address(vec.bv_page) + vec.bv_offset;
-		if (bio_data_dir(bio) == READ)
-			memcpy(user_mem, (void *) phys_mem, vec.bv_len);
-		else
-			memcpy((void *) phys_mem, user_mem, vec.bv_len);
-
-		phys_mem += vec.bv_len;
-		transfered += vec.bv_len;
-	}
-	bio_endio(bio);
-	return BLK_QC_T_NONE;
-}
-
-static const struct block_device_operations axon_ram_devops = {
-	.owner		= THIS_MODULE,
-};
-
-static long
-__axon_ram_direct_access(struct axon_ram_bank *bank, pgoff_t pgoff, long nr_pages,
-		       void **kaddr, pfn_t *pfn)
-{
-	resource_size_t offset = pgoff * PAGE_SIZE;
-
-	*kaddr = (void *) bank->io_addr + offset;
-	*pfn = phys_to_pfn_t(bank->ph_addr + offset, PFN_DEV);
-	return (bank->size - offset) / PAGE_SIZE;
-}
-
-static long
-axon_ram_dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff, long nr_pages,
-		       void **kaddr, pfn_t *pfn)
-{
-	struct axon_ram_bank *bank = dax_get_private(dax_dev);
-
-	return __axon_ram_direct_access(bank, pgoff, nr_pages, kaddr, pfn);
-}
-
-static size_t axon_ram_copy_from_iter(struct dax_device *dax_dev, pgoff_t pgoff,
-		void *addr, size_t bytes, struct iov_iter *i)
-{
-	return copy_from_iter(addr, bytes, i);
-}
-
-static const struct dax_operations axon_ram_dax_ops = {
-	.direct_access = axon_ram_dax_direct_access,
-	.copy_from_iter = axon_ram_copy_from_iter,
-};
-
-/**
- * axon_ram_probe - probe() method for platform driver
- * @device: see platform_driver method
- */
-static int axon_ram_probe(struct platform_device *device)
-{
-	static int axon_ram_bank_id = -1;
-	struct axon_ram_bank *bank;
-	struct resource resource;
-	int rc;
-
-	axon_ram_bank_id++;
-
-	dev_info(&device->dev, "Found memory controller on %pOF\n",
-			device->dev.of_node);
-
-	bank = kzalloc(sizeof(*bank), GFP_KERNEL);
-	if (!bank)
-		return -ENOMEM;
-
-	device->dev.platform_data = bank;
-
-	bank->device = device;
-
-	if (of_address_to_resource(device->dev.of_node, 0, &resource) != 0) {
-		dev_err(&device->dev, "Cannot access device tree\n");
-		rc = -EFAULT;
-		goto failed;
-	}
-
-	bank->size = resource_size(&resource);
-
-	if (bank->size == 0) {
-		dev_err(&device->dev, "No DDR2 memory found for %s%d\n",
-				AXON_RAM_DEVICE_NAME, axon_ram_bank_id);
-		rc = -ENODEV;
-		goto failed;
-	}
-
-	dev_info(&device->dev, "Register DDR2 memory device %s%d with %luMB\n",
-			AXON_RAM_DEVICE_NAME, axon_ram_bank_id, bank->size >> 20);
-
-	bank->ph_addr = resource.start;
-	bank->io_addr = (unsigned long) ioremap_prot(
-			bank->ph_addr, bank->size, _PAGE_NO_CACHE);
-	if (bank->io_addr == 0) {
-		dev_err(&device->dev, "ioremap() failed\n");
-		rc = -EFAULT;
-		goto failed;
-	}
-
-	bank->disk = alloc_disk(AXON_RAM_MINORS_PER_DISK);
-	if (bank->disk == NULL) {
-		dev_err(&device->dev, "Cannot register disk\n");
-		rc = -EFAULT;
-		goto failed;
-	}
-
-
-	bank->disk->major = azfs_major;
-	bank->disk->first_minor = azfs_minor;
-	bank->disk->fops = &axon_ram_devops;
-	bank->disk->private_data = bank;
-
-	sprintf(bank->disk->disk_name, "%s%d",
-			AXON_RAM_DEVICE_NAME, axon_ram_bank_id);
-
-	bank->dax_dev = alloc_dax(bank, bank->disk->disk_name,
-			&axon_ram_dax_ops);
-	if (!bank->dax_dev) {
-		rc = -ENOMEM;
-		goto failed;
-	}
-
-	bank->disk->queue = blk_alloc_queue(GFP_KERNEL);
-	if (bank->disk->queue == NULL) {
-		dev_err(&device->dev, "Cannot register disk queue\n");
-		rc = -EFAULT;
-		goto failed;
-	}
-
-	set_capacity(bank->disk, bank->size >> AXON_RAM_SECTOR_SHIFT);
-	blk_queue_make_request(bank->disk->queue, axon_ram_make_request);
-	blk_queue_logical_block_size(bank->disk->queue, AXON_RAM_SECTOR_SIZE);
-	device_add_disk(&device->dev, bank->disk);
-
-	bank->irq_id = irq_of_parse_and_map(device->dev.of_node, 0);
-	if (!bank->irq_id) {
-		dev_err(&device->dev, "Cannot access ECC interrupt ID\n");
-		rc = -EFAULT;
-		goto failed;
-	}
-
-	rc = request_irq(bank->irq_id, axon_ram_irq_handler,
-			AXON_RAM_IRQ_FLAGS, bank->disk->disk_name, device);
-	if (rc != 0) {
-		dev_err(&device->dev, "Cannot register ECC interrupt handler\n");
-		bank->irq_id = 0;
-		rc = -EFAULT;
-		goto failed;
-	}
-
-	rc = device_create_file(&device->dev, &dev_attr_ecc);
-	if (rc != 0) {
-		dev_err(&device->dev, "Cannot create sysfs file\n");
-		rc = -EFAULT;
-		goto failed;
-	}
-
-	azfs_minor += bank->disk->minors;
-
-	return 0;
-
-failed:
-	if (bank->irq_id)
-		free_irq(bank->irq_id, device);
-	if (bank->disk != NULL) {
-		if (bank->disk->major > 0)
-			unregister_blkdev(bank->disk->major,
-					bank->disk->disk_name);
-		if (bank->disk->flags & GENHD_FL_UP)
-			del_gendisk(bank->disk);
-		put_disk(bank->disk);
-	}
-	kill_dax(bank->dax_dev);
-	put_dax(bank->dax_dev);
-	device->dev.platform_data = NULL;
-	if (bank->io_addr != 0)
-		iounmap((void __iomem *) bank->io_addr);
-	kfree(bank);
-	return rc;
-}
-
-/**
- * axon_ram_remove - remove() method for platform driver
- * @device: see of_platform_driver method
- */
-static int
-axon_ram_remove(struct platform_device *device)
-{
-	struct axon_ram_bank *bank = device->dev.platform_data;
-
-	BUG_ON(!bank || !bank->disk);
-
-	device_remove_file(&device->dev, &dev_attr_ecc);
-	free_irq(bank->irq_id, device);
-	kill_dax(bank->dax_dev);
-	put_dax(bank->dax_dev);
-	del_gendisk(bank->disk);
-	put_disk(bank->disk);
-	iounmap((void __iomem *) bank->io_addr);
-	kfree(bank);
-
-	return 0;
-}
-
-static const struct of_device_id axon_ram_device_id[] = {
-	{
-		.type	= "dma-memory"
-	},
-	{}
-};
-MODULE_DEVICE_TABLE(of, axon_ram_device_id);
-
-static struct platform_driver axon_ram_driver = {
-	.probe		= axon_ram_probe,
-	.remove		= axon_ram_remove,
-	.driver = {
-		.name = AXON_RAM_MODULE_NAME,
-		.of_match_table = axon_ram_device_id,
-	},
-};
-
-/**
- * axon_ram_init
- */
-static int __init
-axon_ram_init(void)
-{
-	azfs_major = register_blkdev(azfs_major, AXON_RAM_DEVICE_NAME);
-	if (azfs_major < 0) {
-		printk(KERN_ERR "%s cannot become block device major number\n",
-				AXON_RAM_MODULE_NAME);
-		return -EFAULT;
-	}
-	azfs_minor = 0;
-
-	return platform_driver_register(&axon_ram_driver);
-}
-
-/**
- * axon_ram_exit
- */
-static void __exit
-axon_ram_exit(void)
-{
-	platform_driver_unregister(&axon_ram_driver);
-	unregister_blkdev(azfs_major, AXON_RAM_DEVICE_NAME);
-}
-
-module_init(axon_ram_init);
-module_exit(axon_ram_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Maxim Shchetynin <maxim@de.ibm.com>");
-MODULE_DESCRIPTION("Axon DDR2 RAM device driver for IBM Cell BE");
diff --git a/arch/powerpc/sysdev/cpm1.c b/arch/powerpc/sysdev/cpm1.c
index c6f154b602fb..5240d3a74a10 100644
--- a/arch/powerpc/sysdev/cpm1.c
+++ b/arch/powerpc/sysdev/cpm1.c
@@ -629,8 +629,9 @@ static int cpm1_gpio16_dir_in(struct gpio_chip *gc, unsigned int gpio)
 	return 0;
 }
 
-int cpm1_gpiochip_add16(struct device_node *np)
+int cpm1_gpiochip_add16(struct device *dev)
 {
+	struct device_node *np = dev->of_node;
 	struct cpm1_gpio16_chip *cpm1_gc;
 	struct of_mm_gpio_chip *mm_gc;
 	struct gpio_chip *gc;
@@ -660,6 +661,8 @@ int cpm1_gpiochip_add16(struct device_node *np)
 	gc->get = cpm1_gpio16_get;
 	gc->set = cpm1_gpio16_set;
 	gc->to_irq = cpm1_gpio16_to_irq;
+	gc->parent = dev;
+	gc->owner = THIS_MODULE;
 
 	return of_mm_gpiochip_add_data(np, mm_gc, cpm1_gc);
 }
@@ -755,8 +758,9 @@ static int cpm1_gpio32_dir_in(struct gpio_chip *gc, unsigned int gpio)
 	return 0;
 }
 
-int cpm1_gpiochip_add32(struct device_node *np)
+int cpm1_gpiochip_add32(struct device *dev)
 {
+	struct device_node *np = dev->of_node;
 	struct cpm1_gpio32_chip *cpm1_gc;
 	struct of_mm_gpio_chip *mm_gc;
 	struct gpio_chip *gc;
@@ -776,31 +780,10 @@ int cpm1_gpiochip_add32(struct device_node *np)
 	gc->direction_output = cpm1_gpio32_dir_out;
 	gc->get = cpm1_gpio32_get;
 	gc->set = cpm1_gpio32_set;
+	gc->parent = dev;
+	gc->owner = THIS_MODULE;
 
 	return of_mm_gpiochip_add_data(np, mm_gc, cpm1_gc);
 }
 
-static int cpm_init_par_io(void)
-{
-	struct device_node *np;
-
-	for_each_compatible_node(np, NULL, "fsl,cpm1-pario-bank-a")
-		cpm1_gpiochip_add16(np);
-
-	for_each_compatible_node(np, NULL, "fsl,cpm1-pario-bank-b")
-		cpm1_gpiochip_add32(np);
-
-	for_each_compatible_node(np, NULL, "fsl,cpm1-pario-bank-c")
-		cpm1_gpiochip_add16(np);
-
-	for_each_compatible_node(np, NULL, "fsl,cpm1-pario-bank-d")
-		cpm1_gpiochip_add16(np);
-
-	/* Port E uses CPM2 layout */
-	for_each_compatible_node(np, NULL, "fsl,cpm1-pario-bank-e")
-		cpm2_gpiochip_add32(np);
-	return 0;
-}
-arch_initcall(cpm_init_par_io);
-
 #endif /* CONFIG_8xx_GPIO */
diff --git a/arch/powerpc/sysdev/cpm2.c b/arch/powerpc/sysdev/cpm2.c
index f78ff841652c..07718b9a2c99 100644
--- a/arch/powerpc/sysdev/cpm2.c
+++ b/arch/powerpc/sysdev/cpm2.c
@@ -354,14 +354,3 @@ void cpm2_set_pin(int port, int pin, int flags)
 	else
 		clrbits32(&iop[port].odr, pin);
 }
-
-static int cpm_init_par_io(void)
-{
-	struct device_node *np;
-
-	for_each_compatible_node(np, NULL, "fsl,cpm2-pario-bank")
-		cpm2_gpiochip_add32(np);
-	return 0;
-}
-arch_initcall(cpm_init_par_io);
-
diff --git a/arch/powerpc/sysdev/cpm_common.c b/arch/powerpc/sysdev/cpm_common.c
index 51bf749a4f3a..b74508175b67 100644
--- a/arch/powerpc/sysdev/cpm_common.c
+++ b/arch/powerpc/sysdev/cpm_common.c
@@ -190,8 +190,9 @@ static int cpm2_gpio32_dir_in(struct gpio_chip *gc, unsigned int gpio)
 	return 0;
 }
 
-int cpm2_gpiochip_add32(struct device_node *np)
+int cpm2_gpiochip_add32(struct device *dev)
 {
+	struct device_node *np = dev->of_node;
 	struct cpm2_gpio32_chip *cpm2_gc;
 	struct of_mm_gpio_chip *mm_gc;
 	struct gpio_chip *gc;
@@ -211,6 +212,8 @@ int cpm2_gpiochip_add32(struct device_node *np)
 	gc->direction_output = cpm2_gpio32_dir_out;
 	gc->get = cpm2_gpio32_get;
 	gc->set = cpm2_gpio32_set;
+	gc->parent = dev;
+	gc->owner = THIS_MODULE;
 
 	return of_mm_gpiochip_add_data(np, mm_gc, cpm2_gc);
 }
diff --git a/arch/powerpc/sysdev/cpm_gpio.c b/arch/powerpc/sysdev/cpm_gpio.c
new file mode 100644
index 000000000000..0badc90be666
--- /dev/null
+++ b/arch/powerpc/sysdev/cpm_gpio.c
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Common CPM GPIO wrapper for the CPM GPIO ports
+ *
+ * Author: Christophe Leroy <christophe.leroy@c-s.fr>
+ *
+ * Copyright 2017 CS Systemes d'Information.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/of_device.h>
+
+#include <asm/cpm.h>
+#ifdef CONFIG_8xx_GPIO
+#include <asm/cpm1.h>
+#endif
+
+static int cpm_gpio_probe(struct platform_device *ofdev)
+{
+	struct device *dev = &ofdev->dev;
+	int (*gp_add)(struct device *dev) = of_device_get_match_data(dev);
+
+	if (!gp_add)
+		return -ENODEV;
+
+	return gp_add(dev);
+}
+
+static const struct of_device_id cpm_gpio_match[] = {
+#ifdef CONFIG_8xx_GPIO
+	{
+		.compatible = "fsl,cpm1-pario-bank-a",
+		.data = cpm1_gpiochip_add16,
+	},
+	{
+		.compatible = "fsl,cpm1-pario-bank-b",
+		.data = cpm1_gpiochip_add32,
+	},
+	{
+		.compatible = "fsl,cpm1-pario-bank-c",
+		.data = cpm1_gpiochip_add16,
+	},
+	{
+		.compatible = "fsl,cpm1-pario-bank-d",
+		.data = cpm1_gpiochip_add16,
+	},
+	/* Port E uses CPM2 layout */
+	{
+		.compatible = "fsl,cpm1-pario-bank-e",
+		.data = cpm2_gpiochip_add32,
+	},
+#endif
+	{
+		.compatible = "fsl,cpm2-pario-bank",
+		.data = cpm2_gpiochip_add32,
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(of, cpm_gpio_match);
+
+static struct platform_driver cpm_gpio_driver = {
+	.probe		= cpm_gpio_probe,
+	.driver		= {
+		.name	= "cpm-gpio",
+		.owner	= THIS_MODULE,
+		.of_match_table	= cpm_gpio_match,
+	},
+};
+
+static int __init cpm_gpio_init(void)
+{
+	return platform_driver_register(&cpm_gpio_driver);
+}
+arch_initcall(cpm_gpio_init);
+
+MODULE_AUTHOR("Christophe Leroy <christophe.leroy@c-s.fr>");
+MODULE_DESCRIPTION("Driver for CPM GPIO");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:cpm-gpio");
diff --git a/arch/powerpc/sysdev/fsl_mpic_timer_wakeup.c b/arch/powerpc/sysdev/fsl_mpic_timer_wakeup.c
index 1707bf04dec6..94278e8af192 100644
--- a/arch/powerpc/sysdev/fsl_mpic_timer_wakeup.c
+++ b/arch/powerpc/sysdev/fsl_mpic_timer_wakeup.c
@@ -56,17 +56,16 @@ static ssize_t fsl_timer_wakeup_show(struct device *dev,
 				struct device_attribute *attr,
 				char *buf)
 {
-	struct timeval interval;
-	int val = 0;
+	time64_t interval = 0;
 
 	mutex_lock(&sysfs_lock);
 	if (fsl_wakeup->timer) {
 		mpic_get_remain_time(fsl_wakeup->timer, &interval);
-		val = interval.tv_sec + 1;
+		interval++;
 	}
 	mutex_unlock(&sysfs_lock);
 
-	return sprintf(buf, "%d\n", val);
+	return sprintf(buf, "%lld\n", interval);
 }
 
 static ssize_t fsl_timer_wakeup_store(struct device *dev,
@@ -74,11 +73,10 @@ static ssize_t fsl_timer_wakeup_store(struct device *dev,
 				const char *buf,
 				size_t count)
 {
-	struct timeval interval;
+	time64_t interval;
 	int ret;
 
-	interval.tv_usec = 0;
-	if (kstrtol(buf, 0, &interval.tv_sec))
+	if (kstrtoll(buf, 0, &interval))
 		return -EINVAL;
 
 	mutex_lock(&sysfs_lock);
@@ -89,13 +87,13 @@ static ssize_t fsl_timer_wakeup_store(struct device *dev,
 		fsl_wakeup->timer = NULL;
 	}
 
-	if (!interval.tv_sec) {
+	if (!interval) {
 		mutex_unlock(&sysfs_lock);
 		return count;
 	}
 
 	fsl_wakeup->timer = mpic_request_timer(fsl_mpic_timer_irq,
-						fsl_wakeup, &interval);
+						fsl_wakeup, interval);
 	if (!fsl_wakeup->timer) {
 		mutex_unlock(&sysfs_lock);
 		return -EINVAL;
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index 61e07c78d64f..918be816b097 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -448,7 +448,7 @@ static void setup_pci_atmu(struct pci_controller *hose)
 #endif
 		/* adjusting outbound windows could reclaim space in mem map */
 		if (paddr_hi < 0xffffffffull)
-			pr_warning("%pOF: WARNING: Outbound window cfg leaves "
+			pr_warn("%pOF: WARNING: Outbound window cfg leaves "
 				"gaps in memory map. Adjusting the memory map "
 				"could reduce unnecessary bounce buffering.\n",
 				hose->dn);
@@ -531,7 +531,7 @@ int fsl_add_bridge(struct platform_device *pdev, int is_primary)
 	dev = pdev->dev.of_node;
 
 	if (!of_device_is_available(dev)) {
-		pr_warning("%pOF: disabled\n", dev);
+		pr_warn("%pOF: disabled\n", dev);
 		return -ENODEV;
 	}
 
@@ -808,8 +808,8 @@ int __init mpc83xx_add_bridge(struct device_node *dev)
 	is_mpc83xx_pci = 1;
 
 	if (!of_device_is_available(dev)) {
-		pr_warning("%pOF: disabled by the firmware.\n",
-			   dev);
+		pr_warn("%pOF: disabled by the firmware.\n",
+			dev);
 		return -ENODEV;
 	}
 	pr_debug("Adding PCI host bridge %pOF\n", dev);
@@ -1070,7 +1070,7 @@ int fsl_pci_mcheck_exception(struct pt_regs *regs)
 	if (is_in_pci_mem_space(addr)) {
 		if (user_mode(regs)) {
 			pagefault_disable();
-			ret = get_user(regs->nip, &inst);
+			ret = get_user(inst, (__u32 __user *)regs->nip);
 			pagefault_enable();
 		} else {
 			ret = probe_kernel_address((void *)regs->nip, inst);
@@ -1304,10 +1304,8 @@ static int add_err_dev(struct platform_device *pdev)
 						   pdev->resource,
 						   pdev->num_resources,
 						   &pd, sizeof(pd));
-	if (IS_ERR(errdev))
-		return PTR_ERR(errdev);
 
-	return 0;
+	return PTR_ERR_OR_ZERO(errdev);
 }
 
 static int fsl_pci_probe(struct platform_device *pdev)
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index ead3e2549ebf..73067805300a 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1008,9 +1008,8 @@ static int mpic_host_map(struct irq_domain *h, unsigned int virq,
 	if (hw == mpic->spurious_vec)
 		return -EINVAL;
 	if (mpic->protected && test_bit(hw, mpic->protected)) {
-		pr_warning("mpic: Mapping of source 0x%x failed, "
-			   "source protected by firmware !\n",\
-			   (unsigned int)hw);
+		pr_warn("mpic: Mapping of source 0x%x failed, source protected by firmware !\n",
+			(unsigned int)hw);
 		return -EPERM;
 	}
 
@@ -1040,9 +1039,8 @@ static int mpic_host_map(struct irq_domain *h, unsigned int virq,
 		return 0;
 
 	if (hw >= mpic->num_sources) {
-		pr_warning("mpic: Mapping of source 0x%x failed, "
-			   "source out of range !\n",\
-			   (unsigned int)hw);
+		pr_warn("mpic: Mapping of source 0x%x failed, source out of range !\n",
+			(unsigned int)hw);
 		return -EINVAL;
 	}
 
diff --git a/arch/powerpc/sysdev/mpic_timer.c b/arch/powerpc/sysdev/mpic_timer.c
index a418579591be..87e7c42777a8 100644
--- a/arch/powerpc/sysdev/mpic_timer.c
+++ b/arch/powerpc/sysdev/mpic_timer.c
@@ -47,9 +47,6 @@
 #define MAX_TICKS_CASCADE		(~0U)
 #define TIMER_OFFSET(num)		(1 << (TIMERS_PER_GROUP - 1 - num))
 
-/* tv_usec should be less than ONE_SECOND, otherwise use tv_sec */
-#define ONE_SECOND			1000000
-
 struct timer_regs {
 	u32	gtccr;
 	u32	res0[3];
@@ -90,51 +87,23 @@ static struct cascade_priv cascade_timer[] = {
 static LIST_HEAD(timer_group_list);
 
 static void convert_ticks_to_time(struct timer_group_priv *priv,
-		const u64 ticks, struct timeval *time)
+		const u64 ticks, time64_t *time)
 {
-	u64 tmp_sec;
-
-	time->tv_sec = (__kernel_time_t)div_u64(ticks, priv->timerfreq);
-	tmp_sec = (u64)time->tv_sec * (u64)priv->timerfreq;
-
-	time->tv_usec = 0;
-
-	if (tmp_sec <= ticks)
-		time->tv_usec = (__kernel_suseconds_t)
-			div_u64((ticks - tmp_sec) * 1000000, priv->timerfreq);
-
-	return;
+	*time = (u64)div_u64(ticks, priv->timerfreq);
 }
 
 /* the time set by the user is converted to "ticks" */
 static int convert_time_to_ticks(struct timer_group_priv *priv,
-		const struct timeval *time, u64 *ticks)
+		time64_t time, u64 *ticks)
 {
 	u64 max_value;		/* prevent u64 overflow */
-	u64 tmp = 0;
-
-	u64 tmp_sec;
-	u64 tmp_ms;
-	u64 tmp_us;
 
 	max_value = div_u64(ULLONG_MAX, priv->timerfreq);
 
-	if (time->tv_sec > max_value ||
-			(time->tv_sec == max_value && time->tv_usec > 0))
+	if (time > max_value)
 		return -EINVAL;
 
-	tmp_sec = (u64)time->tv_sec * (u64)priv->timerfreq;
-	tmp += tmp_sec;
-
-	tmp_ms = time->tv_usec / 1000;
-	tmp_ms = div_u64((u64)tmp_ms * (u64)priv->timerfreq, 1000);
-	tmp += tmp_ms;
-
-	tmp_us = time->tv_usec % 1000;
-	tmp_us = div_u64((u64)tmp_us * (u64)priv->timerfreq, 1000000);
-	tmp += tmp_us;
-
-	*ticks = tmp;
+	*ticks = (u64)time * (u64)priv->timerfreq;
 
 	return 0;
 }
@@ -223,7 +192,7 @@ static struct mpic_timer *get_cascade_timer(struct timer_group_priv *priv,
 	return allocated_timer;
 }
 
-static struct mpic_timer *get_timer(const struct timeval *time)
+static struct mpic_timer *get_timer(time64_t time)
 {
 	struct timer_group_priv *priv;
 	struct mpic_timer *timer;
@@ -277,7 +246,7 @@ static struct mpic_timer *get_timer(const struct timeval *time)
  * @handle: the timer to be started.
  *
  * It will do ->fn(->dev) callback from the hardware interrupt at
- * the ->timeval point in the future.
+ * the 'time64_t' point in the future.
  */
 void mpic_start_timer(struct mpic_timer *handle)
 {
@@ -319,7 +288,7 @@ EXPORT_SYMBOL(mpic_stop_timer);
  *
  * Query timer remaining time.
  */
-void mpic_get_remain_time(struct mpic_timer *handle, struct timeval *time)
+void mpic_get_remain_time(struct mpic_timer *handle, time64_t *time)
 {
 	struct timer_group_priv *priv = container_of(handle,
 			struct timer_group_priv, timer[handle->num]);
@@ -391,7 +360,7 @@ EXPORT_SYMBOL(mpic_free_timer);
  * else "handle" on success.
  */
 struct mpic_timer *mpic_request_timer(irq_handler_t fn, void *dev,
-					const struct timeval *time)
+				      time64_t time)
 {
 	struct mpic_timer *allocated_timer;
 	int ret;
@@ -399,11 +368,7 @@ struct mpic_timer *mpic_request_timer(irq_handler_t fn, void *dev,
 	if (list_empty(&timer_group_list))
 		return NULL;
 
-	if (!(time->tv_sec + time->tv_usec) ||
-			time->tv_sec < 0 || time->tv_usec < 0)
-		return NULL;
-
-	if (time->tv_usec > ONE_SECOND)
+	if (time < 0)
 		return NULL;
 
 	allocated_timer = get_timer(time);
diff --git a/arch/powerpc/sysdev/mv64x60_pci.c b/arch/powerpc/sysdev/mv64x60_pci.c
index d52b3b81e05f..50c411b1761e 100644
--- a/arch/powerpc/sysdev/mv64x60_pci.c
+++ b/arch/powerpc/sysdev/mv64x60_pci.c
@@ -73,7 +73,7 @@ static ssize_t mv64x60_hs_reg_write(struct file *filp, struct kobject *kobj,
 static const struct bin_attribute mv64x60_hs_reg_attr = { /* Hotswap register */
 	.attr = {
 		.name = "hs_reg",
-		.mode = S_IRUGO | S_IWUSR,
+		.mode = 0644,
 	},
 	.size  = MV64X60_VAL_LEN_MAX,
 	.read  = mv64x60_hs_reg_read,
diff --git a/arch/powerpc/sysdev/xics/icp-native.c b/arch/powerpc/sysdev/xics/icp-native.c
index 2bfb9968d562..1459f4e8b698 100644
--- a/arch/powerpc/sysdev/xics/icp-native.c
+++ b/arch/powerpc/sysdev/xics/icp-native.c
@@ -241,18 +241,16 @@ static int __init icp_native_map_one_cpu(int hw_id, unsigned long addr,
 			  cpu, hw_id);
 
 	if (!request_mem_region(addr, size, rname)) {
-		pr_warning("icp_native: Could not reserve ICP MMIO"
-			   " for CPU %d, interrupt server #0x%x\n",
-			   cpu, hw_id);
+		pr_warn("icp_native: Could not reserve ICP MMIO for CPU %d, interrupt server #0x%x\n",
+			cpu, hw_id);
 		return -EBUSY;
 	}
 
 	icp_native_regs[cpu] = ioremap(addr, size);
 	kvmppc_set_xics_phys(cpu, addr);
 	if (!icp_native_regs[cpu]) {
-		pr_warning("icp_native: Failed ioremap for CPU %d, "
-			   "interrupt server #0x%x, addr %#lx\n",
-			   cpu, hw_id, addr);
+		pr_warn("icp_native: Failed ioremap for CPU %d, interrupt server #0x%x, addr %#lx\n",
+			cpu, hw_id, addr);
 		release_mem_region(addr, size);
 		return -ENOMEM;
 	}
diff --git a/arch/powerpc/sysdev/xics/ics-opal.c b/arch/powerpc/sysdev/xics/ics-opal.c
index 1c6bf4b66f56..f85f916ba432 100644
--- a/arch/powerpc/sysdev/xics/ics-opal.c
+++ b/arch/powerpc/sysdev/xics/ics-opal.c
@@ -131,8 +131,8 @@ static int ics_opal_set_affinity(struct irq_data *d,
 
 	wanted_server = xics_get_irq_server(d->irq, cpumask, 1);
 	if (wanted_server < 0) {
-		pr_warning("%s: No online cpus in the mask %*pb for irq %d\n",
-			   __func__, cpumask_pr_args(cpumask), d->irq);
+		pr_warn("%s: No online cpus in the mask %*pb for irq %d\n",
+			__func__, cpumask_pr_args(cpumask), d->irq);
 		return -1;
 	}
 	server = ics_opal_mangle_server(wanted_server);
diff --git a/arch/powerpc/sysdev/xics/ics-rtas.c b/arch/powerpc/sysdev/xics/ics-rtas.c
index 42e0c56ff81c..6aabc74688a6 100644
--- a/arch/powerpc/sysdev/xics/ics-rtas.c
+++ b/arch/powerpc/sysdev/xics/ics-rtas.c
@@ -141,8 +141,8 @@ static int ics_rtas_set_affinity(struct irq_data *d,
 
 	irq_server = xics_get_irq_server(d->irq, cpumask, 1);
 	if (irq_server == -1) {
-		pr_warning("%s: No online cpus in the mask %*pb for irq %d\n",
-			   __func__, cpumask_pr_args(cpumask), d->irq);
+		pr_warn("%s: No online cpus in the mask %*pb for irq %d\n",
+			__func__, cpumask_pr_args(cpumask), d->irq);
 		return -1;
 	}
 
diff --git a/arch/powerpc/sysdev/xics/xics-common.c b/arch/powerpc/sysdev/xics/xics-common.c
index ffe138b8b9dc..77e864d5506d 100644
--- a/arch/powerpc/sysdev/xics/xics-common.c
+++ b/arch/powerpc/sysdev/xics/xics-common.c
@@ -243,8 +243,8 @@ void xics_migrate_irqs_away(void)
 
 		/* This is expected during cpu offline. */
 		if (cpu_online(cpu))
-			pr_warning("IRQ %u affinity broken off cpu %u\n",
-			       virq, cpu);
+			pr_warn("IRQ %u affinity broken off cpu %u\n",
+				virq, cpu);
 
 		/* Reset affinity to all cpus */
 		raw_spin_unlock_irqrestore(&desc->lock, flags);
@@ -466,7 +466,7 @@ void __init xics_init(void)
 		    rc = icp_opal_init();
 	}
 	if (rc < 0) {
-		pr_warning("XICS: Cannot find a Presentation Controller !\n");
+		pr_warn("XICS: Cannot find a Presentation Controller !\n");
 		return;
 	}
 
@@ -481,7 +481,7 @@ void __init xics_init(void)
 	if (rc < 0)
 		rc = ics_opal_init();
 	if (rc < 0)
-		pr_warning("XICS: Cannot find a Source Controller !\n");
+		pr_warn("XICS: Cannot find a Source Controller !\n");
 
 	/* Initialize common bits */
 	xics_get_server_size();
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c
index a3b8d7d1316e..40c06110821c 100644
--- a/arch/powerpc/sysdev/xive/common.c
+++ b/arch/powerpc/sysdev/xive/common.c
@@ -367,7 +367,8 @@ static void xive_irq_eoi(struct irq_data *d)
 	 * EOI the source if it hasn't been disabled and hasn't
 	 * been passed-through to a KVM guest
 	 */
-	if (!irqd_irq_disabled(d) && !irqd_is_forwarded_to_vcpu(d))
+	if (!irqd_irq_disabled(d) && !irqd_is_forwarded_to_vcpu(d) &&
+	    !(xd->flags & XIVE_IRQ_NO_EOI))
 		xive_do_source_eoi(irqd_to_hwirq(d), xd);
 
 	/*
@@ -1269,11 +1270,6 @@ static void xive_setup_cpu(void)
 {
 	struct xive_cpu *xc = __this_cpu_read(xive_cpu);
 
-	/* Debug: Dump the TM state */
-	pr_devel("CPU %d [HW 0x%02x] VT=%02x\n",
-	    smp_processor_id(), hard_smp_processor_id(),
-	    in_8(xive_tima + xive_tima_offset + TM_WORD2));
-
 	/* The backend might have additional things to do */
 	if (xive_ops->setup_cpu)
 		xive_ops->setup_cpu(smp_processor_id(), xc);