Merge branch 'linus' into locking/core, to pick up fixes before applying new changes

Signed-off-by: Ingo Molnar <mingo@kernel.org>

62 files changed, 183 insertions, 130 deletions

diff --git a/drivers/block/zram/zcomp.c b/drivers/block/zram/zcomp.c
index 965d1afb0eaa..5cb13ca3a3ac 100644
--- a/drivers/block/zram/zcomp.c
+++ b/drivers/block/zram/zcomp.c
@@ -330,12 +330,14 @@ void zcomp_destroy(struct zcomp *comp)
  * allocate new zcomp and initialize it. return compressing
  * backend pointer or ERR_PTR if things went bad. ERR_PTR(-EINVAL)
  * if requested algorithm is not supported, ERR_PTR(-ENOMEM) in
- * case of allocation error.
+ * case of allocation error, or any other error potentially
+ * returned by functions zcomp_strm_{multi,single}_create.
  */
 struct zcomp *zcomp_create(const char *compress, int max_strm)
 {
 	struct zcomp *comp;
 	struct zcomp_backend *backend;
+	int error;
 
 	backend = find_backend(compress);
 	if (!backend)
@@ -347,12 +349,12 @@ struct zcomp *zcomp_create(const char *compress, int max_strm)
 
 	comp->backend = backend;
 	if (max_strm > 1)
-		zcomp_strm_multi_create(comp, max_strm);
+		error = zcomp_strm_multi_create(comp, max_strm);
 	else
-		zcomp_strm_single_create(comp);
-	if (!comp->stream) {
+		error = zcomp_strm_single_create(comp);
+	if (error) {
 		kfree(comp);
-		return ERR_PTR(-ENOMEM);
+		return ERR_PTR(error);
 	}
 	return comp;
 }
diff --git a/drivers/clk/h8300/clk-h8s2678.c b/drivers/clk/h8300/clk-h8s2678.c
index 2a38eb4a2552..6cf38dc1c929 100644
--- a/drivers/clk/h8300/clk-h8s2678.c
+++ b/drivers/clk/h8300/clk-h8s2678.c
@@ -8,6 +8,7 @@
 #include <linux/err.h>
 #include <linux/device.h>
 #include <linux/of_address.h>
+#include <linux/slab.h>
 
 static DEFINE_SPINLOCK(clklock);
 
diff --git a/drivers/clk/hisilicon/Kconfig b/drivers/clk/hisilicon/Kconfig
index 2c16807341dc..e43485448612 100644
--- a/drivers/clk/hisilicon/Kconfig
+++ b/drivers/clk/hisilicon/Kconfig
@@ -1,6 +1,12 @@
 config COMMON_CLK_HI6220
 	bool "Hi6220 Clock Driver"
-	depends on (ARCH_HISI || COMPILE_TEST) && MAILBOX
+	depends on ARCH_HISI || COMPILE_TEST
 	default ARCH_HISI
 	help
 	  Build the Hisilicon Hi6220 clock driver based on the common clock framework.
+
+config STUB_CLK_HI6220
+	bool "Hi6220 Stub Clock Driver"
+	depends on COMMON_CLK_HI6220 && MAILBOX
+	help
+	  Build the Hisilicon Hi6220 stub clock driver.
diff --git a/drivers/clk/hisilicon/Makefile b/drivers/clk/hisilicon/Makefile
index 4a1001a11f04..74dba31590f9 100644
--- a/drivers/clk/hisilicon/Makefile
+++ b/drivers/clk/hisilicon/Makefile
@@ -7,4 +7,5 @@ obj-y	+= clk.o clkgate-separated.o clkdivider-hi6220.o
 obj-$(CONFIG_ARCH_HI3xxx)	+= clk-hi3620.o
 obj-$(CONFIG_ARCH_HIP04)	+= clk-hip04.o
 obj-$(CONFIG_ARCH_HIX5HD2)	+= clk-hix5hd2.o
-obj-$(CONFIG_COMMON_CLK_HI6220)	+= clk-hi6220.o clk-hi6220-stub.o
+obj-$(CONFIG_COMMON_CLK_HI6220)	+= clk-hi6220.o
+obj-$(CONFIG_STUB_CLK_HI6220)	+= clk-hi6220-stub.o
diff --git a/drivers/clk/rockchip/clk-rk3188.c b/drivers/clk/rockchip/clk-rk3188.c
index ed02bbc7b11f..abb47608713b 100644
--- a/drivers/clk/rockchip/clk-rk3188.c
+++ b/drivers/clk/rockchip/clk-rk3188.c
@@ -716,6 +716,8 @@ static const char *const rk3188_critical_clocks[] __initconst = {
 	"aclk_cpu",
 	"aclk_peri",
 	"hclk_peri",
+	"pclk_cpu",
+	"pclk_peri",
 };
 
 static void __init rk3188_common_clk_init(struct device_node *np)
@@ -744,8 +746,6 @@ static void __init rk3188_common_clk_init(struct device_node *np)
 
 	rockchip_clk_register_branches(common_clk_branches,
 				  ARRAY_SIZE(common_clk_branches));
-	rockchip_clk_protect_critical(rk3188_critical_clocks,
-				      ARRAY_SIZE(rk3188_critical_clocks));
 
 	rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0),
 				  ROCKCHIP_SOFTRST_HIWORD_MASK);
@@ -765,6 +765,8 @@ static void __init rk3066a_clk_init(struct device_node *np)
 			mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
 			&rk3066_cpuclk_data, rk3066_cpuclk_rates,
 			ARRAY_SIZE(rk3066_cpuclk_rates));
+	rockchip_clk_protect_critical(rk3188_critical_clocks,
+				      ARRAY_SIZE(rk3188_critical_clocks));
 }
 CLK_OF_DECLARE(rk3066a_cru, "rockchip,rk3066a-cru", rk3066a_clk_init);
 
@@ -801,6 +803,9 @@ static void __init rk3188a_clk_init(struct device_node *np)
 		pr_warn("%s: missing clocks to reparent aclk_cpu_pre to gpll\n",
 			__func__);
 	}
+
+	rockchip_clk_protect_critical(rk3188_critical_clocks,
+				      ARRAY_SIZE(rk3188_critical_clocks));
 }
 CLK_OF_DECLARE(rk3188a_cru, "rockchip,rk3188a-cru", rk3188a_clk_init);
 
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 07bc7aa6b224..d234719065a5 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -461,7 +461,7 @@ config CRYPTO_DEV_QCE
 
 config CRYPTO_DEV_VMX
 	bool "Support for VMX cryptographic acceleration instructions"
-	depends on PPC64
+	depends on PPC64 && VSX
 	help
 	  Support for VMX cryptographic acceleration instructions.
 
diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c b/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c
index e070c316e8b7..a19ee127edca 100644
--- a/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c
+++ b/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c
@@ -104,7 +104,7 @@ static int sun4i_ss_opti_poll(struct ablkcipher_request *areq)
 			sg_miter_next(&mo);
 			oo = 0;
 		}
-	} while (mo.length > 0);
+	} while (oleft > 0);
 
 	if (areq->info) {
 		for (i = 0; i < 4 && i < ivsize / 4; i++) {
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index b4fc9e4d24c6..8949b3f6f74d 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -356,7 +356,7 @@ config GPIO_PXA
 
 config GPIO_RCAR
 	tristate "Renesas R-Car GPIO"
-	depends on ARM && (ARCH_SHMOBILE || COMPILE_TEST)
+	depends on ARCH_SHMOBILE || COMPILE_TEST
 	select GPIOLIB_IRQCHIP
 	help
 	  Say yes here to support GPIO on Renesas R-Car SoCs.
diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c
index b752b560126e..8813abab9736 100644
--- a/drivers/gpio/gpio-mxc.c
+++ b/drivers/gpio/gpio-mxc.c
@@ -339,13 +339,15 @@ static int gpio_set_wake_irq(struct irq_data *d, u32 enable)
 	return 0;
 }
 
-static void mxc_gpio_init_gc(struct mxc_gpio_port *port, int irq_base)
+static int mxc_gpio_init_gc(struct mxc_gpio_port *port, int irq_base)
 {
 	struct irq_chip_generic *gc;
 	struct irq_chip_type *ct;
 
 	gc = irq_alloc_generic_chip("gpio-mxc", 1, irq_base,
 				    port->base, handle_level_irq);
+	if (!gc)
+		return -ENOMEM;
 	gc->private = port;
 
 	ct = gc->chip_types;
@@ -360,6 +362,8 @@ static void mxc_gpio_init_gc(struct mxc_gpio_port *port, int irq_base)
 
 	irq_setup_generic_chip(gc, IRQ_MSK(32), IRQ_GC_INIT_NESTED_LOCK,
 			       IRQ_NOREQUEST, 0);
+
+	return 0;
 }
 
 static void mxc_gpio_get_hw(struct platform_device *pdev)
@@ -477,12 +481,16 @@ static int mxc_gpio_probe(struct platform_device *pdev)
 	}
 
 	/* gpio-mxc can be a generic irq chip */
-	mxc_gpio_init_gc(port, irq_base);
+	err = mxc_gpio_init_gc(port, irq_base);
+	if (err < 0)
+		goto out_irqdomain_remove;
 
 	list_add_tail(&port->node, &mxc_gpio_ports);
 
 	return 0;
 
+out_irqdomain_remove:
+	irq_domain_remove(port->domain);
 out_irqdesc_free:
 	irq_free_descs(irq_base, 32);
 out_gpiochip_remove:
diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c
index b7f383eb18d9..1387385e6697 100644
--- a/drivers/gpio/gpio-mxs.c
+++ b/drivers/gpio/gpio-mxs.c
@@ -196,13 +196,16 @@ static int mxs_gpio_set_wake_irq(struct irq_data *d, unsigned int enable)
 	return 0;
 }
 
-static void __init mxs_gpio_init_gc(struct mxs_gpio_port *port, int irq_base)
+static int __init mxs_gpio_init_gc(struct mxs_gpio_port *port, int irq_base)
 {
 	struct irq_chip_generic *gc;
 	struct irq_chip_type *ct;
 
 	gc = irq_alloc_generic_chip("gpio-mxs", 1, irq_base,
 				    port->base, handle_level_irq);
+	if (!gc)
+		return -ENOMEM;
+
 	gc->private = port;
 
 	ct = gc->chip_types;
@@ -216,6 +219,8 @@ static void __init mxs_gpio_init_gc(struct mxs_gpio_port *port, int irq_base)
 
 	irq_setup_generic_chip(gc, IRQ_MSK(32), IRQ_GC_INIT_NESTED_LOCK,
 			       IRQ_NOREQUEST, 0);
+
+	return 0;
 }
 
 static int mxs_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
@@ -317,7 +322,9 @@ static int mxs_gpio_probe(struct platform_device *pdev)
 	}
 
 	/* gpio-mxs can be a generic irq chip */
-	mxs_gpio_init_gc(port, irq_base);
+	err = mxs_gpio_init_gc(port, irq_base);
+	if (err < 0)
+		goto out_irqdomain_remove;
 
 	/* setup one handler for each entry */
 	irq_set_chained_handler_and_data(port->irq, mxs_gpio_irq_handler,
@@ -343,6 +350,8 @@ static int mxs_gpio_probe(struct platform_device *pdev)
 
 out_bgpio_remove:
 	bgpio_remove(&port->bgc);
+out_irqdomain_remove:
+	irq_domain_remove(port->domain);
 out_irqdesc_free:
 	irq_free_descs(irq_base, 32);
 	return err;
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 2ae0d47e9554..072af5239bc1 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -1098,7 +1098,6 @@ static int omap_gpio_chip_init(struct gpio_bank *bank, struct irq_chip *irqc)
 	} else {
 		bank->chip.label = "gpio";
 		bank->chip.base = gpio;
-		gpio += bank->width;
 	}
 	bank->chip.ngpio = bank->width;
 
@@ -1108,6 +1107,9 @@ static int omap_gpio_chip_init(struct gpio_bank *bank, struct irq_chip *irqc)
 		return ret;
 	}
 
+	if (!bank->is_mpuio)
+		gpio += bank->width;
+
 #ifdef CONFIG_ARCH_OMAP1
 	/*
 	 * REVISIT: Once we have OMAP1 supporting SPARSE_IRQ, we can drop
@@ -1253,8 +1255,11 @@ static int omap_gpio_probe(struct platform_device *pdev)
 	omap_gpio_mod_init(bank);
 
 	ret = omap_gpio_chip_init(bank, irqc);
-	if (ret)
+	if (ret) {
+		pm_runtime_put_sync(bank->dev);
+		pm_runtime_disable(bank->dev);
 		return ret;
+	}
 
 	omap_gpio_show_rev(bank);
 
diff --git a/drivers/gpio/gpio-sx150x.c b/drivers/gpio/gpio-sx150x.c
index 458d9d7952b8..9c6b96707c9f 100644
--- a/drivers/gpio/gpio-sx150x.c
+++ b/drivers/gpio/gpio-sx150x.c
@@ -706,4 +706,3 @@ module_exit(sx150x_exit);
 MODULE_AUTHOR("Gregory Bean <gbean@codeaurora.org>");
 MODULE_DESCRIPTION("Driver for Semtech SX150X I2C GPIO Expanders");
 MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("i2c:sx150x");
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 980c1f87866a..5db3445552b1 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1174,15 +1174,16 @@ EXPORT_SYMBOL_GPL(gpiod_is_active_low);
  * that the GPIO was actually requested.
  */
 
-static bool _gpiod_get_raw_value(const struct gpio_desc *desc)
+static int _gpiod_get_raw_value(const struct gpio_desc *desc)
 {
 	struct gpio_chip	*chip;
-	bool value;
 	int offset;
+	int value;
 
 	chip = desc->chip;
 	offset = gpio_chip_hwgpio(desc);
-	value = chip->get ? chip->get(chip, offset) : false;
+	value = chip->get ? chip->get(chip, offset) : -EIO;
+	value = value < 0 ? value : !!value;
 	trace_gpio_value(desc_to_gpio(desc), 1, value);
 	return value;
 }
@@ -1192,7 +1193,7 @@ static bool _gpiod_get_raw_value(const struct gpio_desc *desc)
  * @desc: gpio whose value will be returned
  *
  * Return the GPIO's raw value, i.e. the value of the physical line disregarding
- * its ACTIVE_LOW status.
+ * its ACTIVE_LOW status, or negative errno on failure.
  *
  * This function should be called from contexts where we cannot sleep, and will
  * complain if the GPIO chip functions potentially sleep.
@@ -1212,7 +1213,7 @@ EXPORT_SYMBOL_GPL(gpiod_get_raw_value);
  * @desc: gpio whose value will be returned
  *
  * Return the GPIO's logical value, i.e. taking the ACTIVE_LOW status into
- * account.
+ * account, or negative errno on failure.
  *
  * This function should be called from contexts where we cannot sleep, and will
  * complain if the GPIO chip functions potentially sleep.
@@ -1226,6 +1227,9 @@ int gpiod_get_value(const struct gpio_desc *desc)
 	WARN_ON(desc->chip->can_sleep);
 
 	value = _gpiod_get_raw_value(desc);
+	if (value < 0)
+		return value;
+
 	if (test_bit(FLAG_ACTIVE_LOW, &desc->flags))
 		value = !value;
 
@@ -1548,7 +1552,7 @@ EXPORT_SYMBOL_GPL(gpiochip_unlock_as_irq);
  * @desc: gpio whose value will be returned
  *
  * Return the GPIO's raw value, i.e. the value of the physical line disregarding
- * its ACTIVE_LOW status.
+ * its ACTIVE_LOW status, or negative errno on failure.
  *
  * This function is to be called from contexts that can sleep.
  */
@@ -1566,7 +1570,7 @@ EXPORT_SYMBOL_GPL(gpiod_get_raw_value_cansleep);
  * @desc: gpio whose value will be returned
  *
  * Return the GPIO's logical value, i.e. taking the ACTIVE_LOW status into
- * account.
+ * account, or negative errno on failure.
  *
  * This function is to be called from contexts that can sleep.
  */
@@ -1579,6 +1583,9 @@ int gpiod_get_value_cansleep(const struct gpio_desc *desc)
 		return 0;
 
 	value = _gpiod_get_raw_value(desc);
+	if (value < 0)
+		return value;
+
 	if (test_bit(FLAG_ACTIVE_LOW, &desc->flags))
 		value = !value;
 
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 500b262b89bb..e13c902e8966 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -1140,8 +1140,8 @@ config SENSORS_NCT6775
 	help
 	  If you say yes here you get support for the hardware monitoring
 	  functionality of the Nuvoton NCT6106D, NCT6775F, NCT6776F, NCT6779D,
-	  NCT6791D, NCT6792D and compatible Super-I/O chips. This driver
-	  replaces the w83627ehf driver for NCT6775F and NCT6776F.
+	  NCT6791D, NCT6792D, NCT6793D, and compatible Super-I/O chips. This
+	  driver replaces the w83627ehf driver for NCT6775F and NCT6776F.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called nct6775.
diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index bd1c99deac71..8b4fa55e46c6 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -39,6 +39,7 @@
  * nct6779d    15      5       5       2+6    0xc560 0xc1    0x5ca3
  * nct6791d    15      6       6       2+6    0xc800 0xc1    0x5ca3
  * nct6792d    15      6       6       2+6    0xc910 0xc1    0x5ca3
+ * nct6793d    15      6       6       2+6    0xd120 0xc1    0x5ca3
  *
  * #temp lists the number of monitored temperature sources (first value) plus
  * the number of directly connectable temperature sensors (second value).
@@ -63,7 +64,7 @@
 
 #define USE_ALTERNATE
 
-enum kinds { nct6106, nct6775, nct6776, nct6779, nct6791, nct6792 };
+enum kinds { nct6106, nct6775, nct6776, nct6779, nct6791, nct6792, nct6793 };
 
 /* used to set data->name = nct6775_device_names[data->sio_kind] */
 static const char * const nct6775_device_names[] = {
@@ -73,6 +74,17 @@ static const char * const nct6775_device_names[] = {
 	"nct6779",
 	"nct6791",
 	"nct6792",
+	"nct6793",
+};
+
+static const char * const nct6775_sio_names[] __initconst = {
+	"NCT6106D",
+	"NCT6775F",
+	"NCT6776D/F",
+	"NCT6779D",
+	"NCT6791D",
+	"NCT6792D",
+	"NCT6793D",
 };
 
 static unsigned short force_id;
@@ -104,6 +116,7 @@ MODULE_PARM_DESC(fan_debounce, "Enable debouncing for fan RPM signal");
 #define SIO_NCT6779_ID		0xc560
 #define SIO_NCT6791_ID		0xc800
 #define SIO_NCT6792_ID		0xc910
+#define SIO_NCT6793_ID		0xd120
 #define SIO_ID_MASK		0xFFF0
 
 enum pwm_enable { off, manual, thermal_cruise, speed_cruise, sf3, sf4 };
@@ -354,6 +367,10 @@ static const u16 NCT6775_REG_TEMP_CRIT[ARRAY_SIZE(nct6775_temp_label) - 1]
 
 /* NCT6776 specific data */
 
+/* STEP_UP_TIME and STEP_DOWN_TIME regs are swapped for all chips but NCT6775 */
+#define NCT6776_REG_FAN_STEP_UP_TIME NCT6775_REG_FAN_STEP_DOWN_TIME
+#define NCT6776_REG_FAN_STEP_DOWN_TIME NCT6775_REG_FAN_STEP_UP_TIME
+
 static const s8 NCT6776_ALARM_BITS[] = {
 	0, 1, 2, 3, 8, 21, 20, 16,	/* in0.. in7 */
 	17, -1, -1, -1, -1, -1, -1,	/* in8..in14 */
@@ -533,7 +550,7 @@ static const s8 NCT6791_ALARM_BITS[] = {
 	4, 5, 13, -1, -1, -1,		/* temp1..temp6 */
 	12, 9 };			/* intrusion0, intrusion1 */
 
-/* NCT6792 specific data */
+/* NCT6792/NCT6793 specific data */
 
 static const u16 NCT6792_REG_TEMP_MON[] = {
 	0x73, 0x75, 0x77, 0x79, 0x7b, 0x7d };
@@ -1056,6 +1073,7 @@ static bool is_word_sized(struct nct6775_data *data, u16 reg)
 	case nct6779:
 	case nct6791:
 	case nct6792:
+	case nct6793:
 		return reg == 0x150 || reg == 0x153 || reg == 0x155 ||
 		  ((reg & 0xfff0) == 0x4b0 && (reg & 0x000f) < 0x0b) ||
 		  reg == 0x402 ||
@@ -1407,6 +1425,7 @@ static void nct6775_update_pwm_limits(struct device *dev)
 		case nct6779:
 		case nct6791:
 		case nct6792:
+		case nct6793:
 			reg = nct6775_read_value(data,
 					data->REG_CRITICAL_PWM_ENABLE[i]);
 			if (reg & data->CRITICAL_PWM_ENABLE_MASK)
@@ -2822,6 +2841,7 @@ store_auto_pwm(struct device *dev, struct device_attribute *attr,
 		case nct6779:
 		case nct6791:
 		case nct6792:
+		case nct6793:
 			nct6775_write_value(data, data->REG_CRITICAL_PWM[nr],
 					    val);
 			reg = nct6775_read_value(data,
@@ -3256,7 +3276,7 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
 		pwm4pin = false;
 		pwm5pin = false;
 		pwm6pin = false;
-	} else {	/* NCT6779D, NCT6791D, or NCT6792D */
+	} else {	/* NCT6779D, NCT6791D, NCT6792D, or NCT6793D */
 		regval = superio_inb(sioreg, 0x1c);
 
 		fan3pin = !(regval & (1 << 5));
@@ -3269,7 +3289,8 @@ nct6775_check_fan_inputs(struct nct6775_data *data)
 
 		fan4min = fan4pin;
 
-		if (data->kind == nct6791 || data->kind == nct6792) {
+		if (data->kind == nct6791 || data->kind == nct6792 ||
+		    data->kind == nct6793) {
 			regval = superio_inb(sioreg, 0x2d);
 			fan6pin = (regval & (1 << 1));
 			pwm6pin = (regval & (1 << 0));
@@ -3528,8 +3549,8 @@ static int nct6775_probe(struct platform_device *pdev)
 		data->REG_FAN_PULSES = NCT6776_REG_FAN_PULSES;
 		data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT;
 		data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME;
-		data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME;
-		data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME;
+		data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME;
+		data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME;
 		data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H;
 		data->REG_PWM[0] = NCT6775_REG_PWM;
 		data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT;
@@ -3600,8 +3621,8 @@ static int nct6775_probe(struct platform_device *pdev)
 		data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES;
 		data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT;
 		data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME;
-		data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME;
-		data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME;
+		data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME;
+		data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME;
 		data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H;
 		data->REG_PWM[0] = NCT6775_REG_PWM;
 		data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT;
@@ -3643,6 +3664,7 @@ static int nct6775_probe(struct platform_device *pdev)
 		break;
 	case nct6791:
 	case nct6792:
+	case nct6793:
 		data->in_num = 15;
 		data->pwm_num = 6;
 		data->auto_pwm_num = 4;
@@ -3677,8 +3699,8 @@ static int nct6775_probe(struct platform_device *pdev)
 		data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES;
 		data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT;
 		data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME;
-		data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME;
-		data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME;
+		data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME;
+		data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME;
 		data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H;
 		data->REG_PWM[0] = NCT6775_REG_PWM;
 		data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT;
@@ -3918,6 +3940,7 @@ static int nct6775_probe(struct platform_device *pdev)
 	case nct6779:
 	case nct6791:
 	case nct6792:
+	case nct6793:
 		break;
 	}
 
@@ -3950,6 +3973,7 @@ static int nct6775_probe(struct platform_device *pdev)
 			break;
 		case nct6791:
 		case nct6792:
+		case nct6793:
 			tmp |= 0x7e;
 			break;
 		}
@@ -4047,7 +4071,8 @@ static int __maybe_unused nct6775_resume(struct device *dev)
 	if (reg != data->sio_reg_enable)
 		superio_outb(sioreg, SIO_REG_ENABLE, data->sio_reg_enable);
 
-	if (data->kind == nct6791 || data->kind == nct6792)
+	if (data->kind == nct6791 || data->kind == nct6792 ||
+	    data->kind == nct6793)
 		nct6791_enable_io_mapping(sioreg);
 
 	superio_exit(sioreg);
@@ -4106,15 +4131,6 @@ static struct platform_driver nct6775_driver = {
 	.probe		= nct6775_probe,
 };
 
-static const char * const nct6775_sio_names[] __initconst = {
-	"NCT6106D",
-	"NCT6775F",
-	"NCT6776D/F",
-	"NCT6779D",
-	"NCT6791D",
-	"NCT6792D",
-};
-
 /* nct6775_find() looks for a '627 in the Super-I/O config space */
 static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data)
 {
@@ -4150,6 +4166,9 @@ static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data)
 	case SIO_NCT6792_ID:
 		sio_data->kind = nct6792;
 		break;
+	case SIO_NCT6793_ID:
+		sio_data->kind = nct6793;
+		break;
 	default:
 		if (val != 0xffff)
 			pr_debug("unsupported chip ID: 0x%04x\n", val);
@@ -4175,7 +4194,8 @@ static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data)
 		superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01);
 	}
 
-	if (sio_data->kind == nct6791 || sio_data->kind == nct6792)
+	if (sio_data->kind == nct6791 || sio_data->kind == nct6792 ||
+	    sio_data->kind == nct6793)
 		nct6791_enable_io_mapping(sioaddr);
 
 	superio_exit(sioaddr);
@@ -4285,7 +4305,7 @@ static void __exit sensors_nct6775_exit(void)
 }
 
 MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>");
-MODULE_DESCRIPTION("NCT6106D/NCT6775F/NCT6776F/NCT6779D/NCT6791D/NCT6792D driver");
+MODULE_DESCRIPTION("Driver for NCT6775F and compatible chips");
 MODULE_LICENSE("GPL");
 
 module_init(sensors_nct6775_init);
diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig
index da4c6979fbb8..aa26f3c3416b 100644
--- a/drivers/infiniband/Kconfig
+++ b/drivers/infiniband/Kconfig
@@ -56,7 +56,6 @@ config INFINIBAND_ADDR_TRANS
 
 source "drivers/infiniband/hw/mthca/Kconfig"
 source "drivers/infiniband/hw/qib/Kconfig"
-source "drivers/infiniband/hw/ehca/Kconfig"
 source "drivers/infiniband/hw/cxgb3/Kconfig"
 source "drivers/infiniband/hw/cxgb4/Kconfig"
 source "drivers/infiniband/hw/mlx4/Kconfig"
diff --git a/drivers/infiniband/hw/Makefile b/drivers/infiniband/hw/Makefile
index 1bdb9996d371..aded2a5cc2d5 100644
--- a/drivers/infiniband/hw/Makefile
+++ b/drivers/infiniband/hw/Makefile
@@ -1,6 +1,5 @@
 obj-$(CONFIG_INFINIBAND_MTHCA)		+= mthca/
 obj-$(CONFIG_INFINIBAND_QIB)		+= qib/
-obj-$(CONFIG_INFINIBAND_EHCA)		+= ehca/
 obj-$(CONFIG_INFINIBAND_CXGB3)		+= cxgb3/
 obj-$(CONFIG_INFINIBAND_CXGB4)		+= cxgb4/
 obj-$(CONFIG_MLX4_INFINIBAND)		+= mlx4/
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 69723e07036b..9638a00c67c2 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -349,6 +349,9 @@ static bool pinctrl_ready_for_gpio_range(unsigned gpio)
 	struct pinctrl_gpio_range *range = NULL;
 	struct gpio_chip *chip = gpio_to_chip(gpio);
 
+	if (WARN(!chip, "no gpio_chip for gpio%i?", gpio))
+		return false;
+
 	mutex_lock(&pinctrldev_list_mutex);
 
 	/* Loop over the pin controllers */
diff --git a/drivers/pinctrl/pinctrl-digicolor.c b/drivers/pinctrl/pinctrl-digicolor.c
index 461fffc4c62a..11f8b835d3b6 100644
--- a/drivers/pinctrl/pinctrl-digicolor.c
+++ b/drivers/pinctrl/pinctrl-digicolor.c
@@ -337,9 +337,9 @@ static int dc_pinctrl_probe(struct platform_device *pdev)
 	pmap->dev = &pdev->dev;
 
 	pmap->pctl = pinctrl_register(pctl_desc, &pdev->dev, pmap);
-	if (!pmap->pctl) {
+	if (IS_ERR(pmap->pctl)) {
 		dev_err(&pdev->dev, "pinctrl driver registration failed\n");
-		return -EINVAL;
+		return PTR_ERR(pmap->pctl);
 	}
 
 	ret = dc_gpiochip_add(pmap, pdev->dev.of_node);
diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c
index 67e08cb315c4..29984b36926a 100644
--- a/drivers/pinctrl/pinmux.c
+++ b/drivers/pinctrl/pinmux.c
@@ -313,8 +313,7 @@ static int pinmux_func_name_to_selector(struct pinctrl_dev *pctldev,
 
 	/* See if this pctldev has this function */
 	while (selector < nfuncs) {
-		const char *fname = ops->get_function_name(pctldev,
-							   selector);
+		const char *fname = ops->get_function_name(pctldev, selector);
 
 		if (!strcmp(function, fname))
 			return selector;
diff --git a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
index c978b311031b..e1a3721bc8e5 100644
--- a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
+++ b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
@@ -723,9 +723,9 @@ static int pm8xxx_gpio_probe(struct platform_device *pdev)
 #endif
 
 	pctrl->pctrl = pinctrl_register(&pctrl->desc, &pdev->dev, pctrl);
-	if (!pctrl->pctrl) {
+	if (IS_ERR(pctrl->pctrl)) {
 		dev_err(&pdev->dev, "couldn't register pm8xxx gpio driver\n");
-		return -ENODEV;
+		return PTR_ERR(pctrl->pctrl);
 	}
 
 	pctrl->chip = pm8xxx_gpio_template;
diff --git a/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c b/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c
index 2d1b69f171be..6652b8d7f707 100644
--- a/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c
+++ b/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c
@@ -814,9 +814,9 @@ static int pm8xxx_mpp_probe(struct platform_device *pdev)
 #endif
 
 	pctrl->pctrl = pinctrl_register(&pctrl->desc, &pdev->dev, pctrl);
-	if (!pctrl->pctrl) {
+	if (IS_ERR(pctrl->pctrl)) {
 		dev_err(&pdev->dev, "couldn't register pm8xxx mpp driver\n");
-		return -ENODEV;
+		return PTR_ERR(pctrl->pctrl);
 	}
 
 	pctrl->chip = pm8xxx_mpp_template;
diff --git a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c
index 019844d479bb..d168b39dd7fd 100644
--- a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c
+++ b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c
@@ -361,7 +361,7 @@ static inline void s3c24xx_demux_eint(struct irq_desc *desc,
 				      u32 offset, u32 range)
 {
 	struct s3c24xx_eint_data *data = irq_desc_get_handler_data(desc);
-	struct irq_chip *chip = irq_desc_get_irq_chip(desc);
+	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct samsung_pinctrl_drv_data *d = data->drvdata;
 	unsigned int pend, mask;
 
diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
index abdaed34c728..131fee2b093e 100644
--- a/drivers/platform/x86/asus-nb-wmi.c
+++ b/drivers/platform/x86/asus-nb-wmi.c
@@ -128,6 +128,24 @@ static const struct dmi_system_id asus_quirks[] = {
 	},
 	{
 		.callback = dmi_matched,
+		.ident = "ASUSTeK COMPUTER INC. X456UA",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "X456UA"),
+		},
+		.driver_data = &quirk_asus_wapf4,
+	},
+	{
+		.callback = dmi_matched,
+		.ident = "ASUSTeK COMPUTER INC. X456UF",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "X456UF"),
+		},
+		.driver_data = &quirk_asus_wapf4,
+	},
+	{
+		.callback = dmi_matched,
 		.ident = "ASUSTeK COMPUTER INC. X501U",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 06697315a088..fb4dd7b3ee71 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -54,8 +54,9 @@ MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4");
 #define HPWMI_HARDWARE_QUERY 0x4
 #define HPWMI_WIRELESS_QUERY 0x5
 #define HPWMI_BIOS_QUERY 0x9
+#define HPWMI_FEATURE_QUERY 0xb
 #define HPWMI_HOTKEY_QUERY 0xc
-#define HPWMI_FEATURE_QUERY 0xd
+#define HPWMI_FEATURE2_QUERY 0xd
 #define HPWMI_WIRELESS2_QUERY 0x1b
 #define HPWMI_POSTCODEERROR_QUERY 0x2a
 
@@ -295,25 +296,33 @@ static int hp_wmi_tablet_state(void)
 	return (state & 0x4) ? 1 : 0;
 }
 
-static int __init hp_wmi_bios_2009_later(void)
+static int __init hp_wmi_bios_2008_later(void)
 {
 	int state = 0;
 	int ret = hp_wmi_perform_query(HPWMI_FEATURE_QUERY, 0, &state,
 				       sizeof(state), sizeof(state));
-	if (ret)
-		return ret;
+	if (!ret)
+		return 1;
 
-	return (state & 0x10) ? 1 : 0;
+	return (ret == HPWMI_RET_UNKNOWN_CMDTYPE) ? 0 : -ENXIO;
 }
 
-static int hp_wmi_enable_hotkeys(void)
+static int __init hp_wmi_bios_2009_later(void)
 {
-	int ret;
-	int query = 0x6e;
+	int state = 0;
+	int ret = hp_wmi_perform_query(HPWMI_FEATURE2_QUERY, 0, &state,
+				       sizeof(state), sizeof(state));
+	if (!ret)
+		return 1;
 
-	ret = hp_wmi_perform_query(HPWMI_BIOS_QUERY, 1, &query, sizeof(query),
-				   0);
+	return (ret == HPWMI_RET_UNKNOWN_CMDTYPE) ? 0 : -ENXIO;
+}
 
+static int __init hp_wmi_enable_hotkeys(void)
+{
+	int value = 0x6e;
+	int ret = hp_wmi_perform_query(HPWMI_BIOS_QUERY, 1, &value,
+				       sizeof(value), 0);
 	if (ret)
 		return -EINVAL;
 	return 0;
@@ -663,7 +672,7 @@ static int __init hp_wmi_input_setup(void)
 			    hp_wmi_tablet_state());
 	input_sync(hp_wmi_input_dev);
 
-	if (hp_wmi_bios_2009_later() == 4)
+	if (!hp_wmi_bios_2009_later() && hp_wmi_bios_2008_later())
 		hp_wmi_enable_hotkeys();
 
 	status = wmi_install_notify_handler(HPWMI_EVENT_GUID, hp_wmi_notify, NULL);
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 6740c513919c..f2372f400ddb 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -938,7 +938,7 @@ static int toshiba_usb_sleep_music_get(struct toshiba_acpi_dev *dev, u32 *state)
 	else if (result == TOS_NOT_SUPPORTED)
 		return -ENODEV;
 
-	return result = TOS_SUCCESS ? 0 : -EIO;
+	return result == TOS_SUCCESS ? 0 : -EIO;
 }
 
 static int toshiba_usb_sleep_music_set(struct toshiba_acpi_dev *dev, u32 state)
@@ -2398,11 +2398,9 @@ static int toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev)
 	if (error)
 		return error;
 
-	error = toshiba_hotkey_event_type_get(dev, &events_type);
-	if (error) {
-		pr_err("Unable to query Hotkey Event Type\n");
-		return error;
-	}
+	if (toshiba_hotkey_event_type_get(dev, &events_type))
+		pr_notice("Unable to query Hotkey Event Type\n");
+
 	dev->hotkey_event_type = events_type;
 
 	dev->hotkey_dev = input_allocate_device();
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index aac47573f9ed..eb391a281833 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -194,34 +194,6 @@ static bool wmi_parse_guid(const u8 *src, u8 *dest)
 	return true;
 }
 
-/*
- * Convert a raw GUID to the ACII string representation
- */
-static int wmi_gtoa(const char *in, char *out)
-{
-	int i;
-
-	for (i = 3; i >= 0; i--)
-		out += sprintf(out, "%02X", in[i] & 0xFF);
-
-	out += sprintf(out, "-");
-	out += sprintf(out, "%02X", in[5] & 0xFF);
-	out += sprintf(out, "%02X", in[4] & 0xFF);
-	out += sprintf(out, "-");
-	out += sprintf(out, "%02X", in[7] & 0xFF);
-	out += sprintf(out, "%02X", in[6] & 0xFF);
-	out += sprintf(out, "-");
-	out += sprintf(out, "%02X", in[8] & 0xFF);
-	out += sprintf(out, "%02X", in[9] & 0xFF);
-	out += sprintf(out, "-");
-
-	for (i = 10; i <= 15; i++)
-		out += sprintf(out, "%02X", in[i] & 0xFF);
-
-	*out = '\0';
-	return 0;
-}
-
 static bool find_guid(const char *guid_string, struct wmi_block **out)
 {
 	char tmp[16], guid_input[16];
@@ -457,11 +429,7 @@ EXPORT_SYMBOL_GPL(wmi_set_block);
 
 static void wmi_dump_wdg(const struct guid_block *g)
 {
-	char guid_string[37];
-
-	wmi_gtoa(g->guid, guid_string);
-
-	pr_info("%s:\n", guid_string);
+	pr_info("%pUL:\n", g->guid);
 	pr_info("\tobject_id: %c%c\n", g->object_id[0], g->object_id[1]);
 	pr_info("\tnotify_id: %02X\n", g->notify_id);
 	pr_info("\treserved: %02X\n", g->reserved);
@@ -661,7 +629,6 @@ EXPORT_SYMBOL_GPL(wmi_has_guid);
 static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
 			     char *buf)
 {
-	char guid_string[37];
 	struct wmi_block *wblock;
 
 	wblock = dev_get_drvdata(dev);
@@ -670,9 +637,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
 		return strlen(buf);
 	}
 
-	wmi_gtoa(wblock->gblock.guid, guid_string);
-
-	return sprintf(buf, "wmi:%s\n", guid_string);
+	return sprintf(buf, "wmi:%pUL\n", wblock->gblock.guid);
 }
 static DEVICE_ATTR_RO(modalias);
 
@@ -695,7 +660,7 @@ static int wmi_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
 	if (!wblock)
 		return -ENOMEM;
 
-	wmi_gtoa(wblock->gblock.guid, guid_string);
+	sprintf(guid_string, "%pUL", wblock->gblock.guid);
 
 	strcpy(&env->buf[env->buflen - 1], "wmi:");
 	memcpy(&env->buf[env->buflen - 1 + 4], guid_string, 36);
@@ -721,12 +686,9 @@ static struct class wmi_class = {
 static int wmi_create_device(const struct guid_block *gblock,
 			     struct wmi_block *wblock, acpi_handle handle)
 {
-	char guid_string[37];
-
 	wblock->dev.class = &wmi_class;
 
-	wmi_gtoa(gblock->guid, guid_string);
-	dev_set_name(&wblock->dev, "%s", guid_string);
+	dev_set_name(&wblock->dev, "%pUL", gblock->guid);
 
 	dev_set_drvdata(&wblock->dev, wblock);
 
@@ -877,7 +839,6 @@ static void acpi_wmi_notify(struct acpi_device *device, u32 event)
 	struct guid_block *block;
 	struct wmi_block *wblock;
 	struct list_head *p;
-	char guid_string[37];
 
 	list_for_each(p, &wmi_block_list) {
 		wblock = list_entry(p, struct wmi_block, list);
@@ -888,8 +849,8 @@ static void acpi_wmi_notify(struct acpi_device *device, u32 event)
 			if (wblock->handler)
 				wblock->handler(event, wblock->handler_data);
 			if (debug_event) {
-				wmi_gtoa(wblock->gblock.guid, guid_string);
-				pr_info("DEBUG Event GUID: %s\n", guid_string);
+				pr_info("DEBUG Event GUID: %pUL\n",
+					wblock->gblock.guid);
 			}
 
 			acpi_bus_generate_netlink_event(
diff --git a/drivers/power/twl4030_charger.c b/drivers/power/twl4030_charger.c
index f4f2c1f76c32..74f2d3ff1d7c 100644
--- a/drivers/power/twl4030_charger.c
+++ b/drivers/power/twl4030_charger.c
@@ -91,7 +91,7 @@
 #define TWL4030_MSTATEC_COMPLETE1	0x0b
 #define TWL4030_MSTATEC_COMPLETE4	0x0e
 
-#if IS_ENABLED(CONFIG_TWL4030_MADC)
+#if IS_REACHABLE(CONFIG_TWL4030_MADC)
 /*
  * If AC (Accessory Charger) voltage exceeds 4.5V (MADC 11)
  * then AC is available.
@@ -1057,13 +1057,9 @@ static int twl4030_bci_probe(struct platform_device *pdev)
 
 		phynode = of_find_compatible_node(bci->dev->of_node->parent,
 						  NULL, "ti,twl4030-usb");
-		if (phynode) {
+		if (phynode)
 			bci->transceiver = devm_usb_get_phy_by_node(
 				bci->dev, phynode, &bci->usb_nb);
-			if (IS_ERR(bci->transceiver) &&
-			    PTR_ERR(bci->transceiver) == -EPROBE_DEFER)
-				return -EPROBE_DEFER;
-		}
 	}
 
 	/* Enable interrupts now. */
diff --git a/drivers/staging/rdma/Kconfig b/drivers/staging/rdma/Kconfig
index cf5fe9bb87a1..d7f62359d743 100644
--- a/drivers/staging/rdma/Kconfig
+++ b/drivers/staging/rdma/Kconfig
@@ -24,6 +24,8 @@ if STAGING_RDMA
 
 source "drivers/staging/rdma/amso1100/Kconfig"
 
+source "drivers/staging/rdma/ehca/Kconfig"
+
 source "drivers/staging/rdma/hfi1/Kconfig"
 
 source "drivers/staging/rdma/ipath/Kconfig"
diff --git a/drivers/staging/rdma/Makefile b/drivers/staging/rdma/Makefile
index cbd915ac7f20..139d78ef2c24 100644
--- a/drivers/staging/rdma/Makefile
+++ b/drivers/staging/rdma/Makefile
@@ -1,4 +1,5 @@
 # Entries for RDMA_STAGING tree
 obj-$(CONFIG_INFINIBAND_AMSO1100)	+= amso1100/
+obj-$(CONFIG_INFINIBAND_EHCA)	+= ehca/
 obj-$(CONFIG_INFINIBAND_HFI1)	+= hfi1/
 obj-$(CONFIG_INFINIBAND_IPATH)	+= ipath/
diff --git a/drivers/infiniband/hw/ehca/Kconfig b/drivers/staging/rdma/ehca/Kconfig
index 59f807d8d58e..3fadd2ad6426 100644
--- a/drivers/infiniband/hw/ehca/Kconfig
+++ b/drivers/staging/rdma/ehca/Kconfig
@@ -2,7 +2,8 @@ config INFINIBAND_EHCA
 	tristate "eHCA support"
 	depends on IBMEBUS
 	---help---
-	This driver supports the IBM pSeries eHCA InfiniBand adapter.
+	This driver supports the deprecated IBM pSeries eHCA InfiniBand
+	adapter.
 
 	To compile the driver as a module, choose M here. The module
 	will be called ib_ehca.
diff --git a/drivers/infiniband/hw/ehca/Makefile b/drivers/staging/rdma/ehca/Makefile
index 74d284e46a40..74d284e46a40 100644
--- a/drivers/infiniband/hw/ehca/Makefile
+++ b/drivers/staging/rdma/ehca/Makefile
diff --git a/drivers/staging/rdma/ehca/TODO b/drivers/staging/rdma/ehca/TODO
new file mode 100644
index 000000000000..199a4a600142
--- /dev/null
+++ b/drivers/staging/rdma/ehca/TODO
@@ -0,0 +1,4 @@
+9/2015
+
+The ehca driver has been deprecated and moved to drivers/staging/rdma.
+It will be removed in the 4.6 merge window.
diff --git a/drivers/infiniband/hw/ehca/ehca_av.c b/drivers/staging/rdma/ehca/ehca_av.c
index 465926319f3d..465926319f3d 100644
--- a/drivers/infiniband/hw/ehca/ehca_av.c
+++ b/drivers/staging/rdma/ehca/ehca_av.c
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/staging/rdma/ehca/ehca_classes.h
index bd45e0f3923f..bd45e0f3923f 100644
--- a/drivers/infiniband/hw/ehca/ehca_classes.h
+++ b/drivers/staging/rdma/ehca/ehca_classes.h
diff --git a/drivers/infiniband/hw/ehca/ehca_classes_pSeries.h b/drivers/staging/rdma/ehca/ehca_classes_pSeries.h
index 689c35786dd2..689c35786dd2 100644
--- a/drivers/infiniband/hw/ehca/ehca_classes_pSeries.h
+++ b/drivers/staging/rdma/ehca/ehca_classes_pSeries.h
diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/staging/rdma/ehca/ehca_cq.c
index 9b68b175069b..9b68b175069b 100644
--- a/drivers/infiniband/hw/ehca/ehca_cq.c
+++ b/drivers/staging/rdma/ehca/ehca_cq.c
diff --git a/drivers/infiniband/hw/ehca/ehca_eq.c b/drivers/staging/rdma/ehca/ehca_eq.c
index 90da6747d395..90da6747d395 100644
--- a/drivers/infiniband/hw/ehca/ehca_eq.c
+++ b/drivers/staging/rdma/ehca/ehca_eq.c
diff --git a/drivers/infiniband/hw/ehca/ehca_hca.c b/drivers/staging/rdma/ehca/ehca_hca.c
index e8b1bb65797a..e8b1bb65797a 100644
--- a/drivers/infiniband/hw/ehca/ehca_hca.c
+++ b/drivers/staging/rdma/ehca/ehca_hca.c
diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/staging/rdma/ehca/ehca_irq.c
index 8615d7cf7e01..8615d7cf7e01 100644
--- a/drivers/infiniband/hw/ehca/ehca_irq.c
+++ b/drivers/staging/rdma/ehca/ehca_irq.c
diff --git a/drivers/infiniband/hw/ehca/ehca_irq.h b/drivers/staging/rdma/ehca/ehca_irq.h
index 5370199f08c7..5370199f08c7 100644
--- a/drivers/infiniband/hw/ehca/ehca_irq.h
+++ b/drivers/staging/rdma/ehca/ehca_irq.h
diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/staging/rdma/ehca/ehca_iverbs.h
index 80e6a3d5df3e..80e6a3d5df3e 100644
--- a/drivers/infiniband/hw/ehca/ehca_iverbs.h
+++ b/drivers/staging/rdma/ehca/ehca_iverbs.h
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/staging/rdma/ehca/ehca_main.c
index 8246418cd4e0..8246418cd4e0 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/staging/rdma/ehca/ehca_main.c
diff --git a/drivers/infiniband/hw/ehca/ehca_mcast.c b/drivers/staging/rdma/ehca/ehca_mcast.c
index cec181532924..cec181532924 100644
--- a/drivers/infiniband/hw/ehca/ehca_mcast.c
+++ b/drivers/staging/rdma/ehca/ehca_mcast.c
diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.c b/drivers/staging/rdma/ehca/ehca_mrmw.c
index f914b30999f8..f914b30999f8 100644
--- a/drivers/infiniband/hw/ehca/ehca_mrmw.c
+++ b/drivers/staging/rdma/ehca/ehca_mrmw.c
diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.h b/drivers/staging/rdma/ehca/ehca_mrmw.h
index 50d8b51306dd..50d8b51306dd 100644
--- a/drivers/infiniband/hw/ehca/ehca_mrmw.h
+++ b/drivers/staging/rdma/ehca/ehca_mrmw.h
diff --git a/drivers/infiniband/hw/ehca/ehca_pd.c b/drivers/staging/rdma/ehca/ehca_pd.c
index 351577a6670a..351577a6670a 100644
--- a/drivers/infiniband/hw/ehca/ehca_pd.c
+++ b/drivers/staging/rdma/ehca/ehca_pd.c
diff --git a/drivers/infiniband/hw/ehca/ehca_qes.h b/drivers/staging/rdma/ehca/ehca_qes.h
index 90c4efa67586..90c4efa67586 100644
--- a/drivers/infiniband/hw/ehca/ehca_qes.h
+++ b/drivers/staging/rdma/ehca/ehca_qes.h
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/staging/rdma/ehca/ehca_qp.c
index 2e89356c46fa..2e89356c46fa 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/staging/rdma/ehca/ehca_qp.c
diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/staging/rdma/ehca/ehca_reqs.c
index 47f94984353d..47f94984353d 100644
--- a/drivers/infiniband/hw/ehca/ehca_reqs.c
+++ b/drivers/staging/rdma/ehca/ehca_reqs.c
diff --git a/drivers/infiniband/hw/ehca/ehca_sqp.c b/drivers/staging/rdma/ehca/ehca_sqp.c
index 376b031c2c7f..376b031c2c7f 100644
--- a/drivers/infiniband/hw/ehca/ehca_sqp.c
+++ b/drivers/staging/rdma/ehca/ehca_sqp.c
diff --git a/drivers/infiniband/hw/ehca/ehca_tools.h b/drivers/staging/rdma/ehca/ehca_tools.h
index d280b12aae64..d280b12aae64 100644
--- a/drivers/infiniband/hw/ehca/ehca_tools.h
+++ b/drivers/staging/rdma/ehca/ehca_tools.h
diff --git a/drivers/infiniband/hw/ehca/ehca_uverbs.c b/drivers/staging/rdma/ehca/ehca_uverbs.c
index 1a1d5d99fcf9..1a1d5d99fcf9 100644
--- a/drivers/infiniband/hw/ehca/ehca_uverbs.c
+++ b/drivers/staging/rdma/ehca/ehca_uverbs.c
diff --git a/drivers/infiniband/hw/ehca/hcp_if.c b/drivers/staging/rdma/ehca/hcp_if.c
index 89517ffb4389..89517ffb4389 100644
--- a/drivers/infiniband/hw/ehca/hcp_if.c
+++ b/drivers/staging/rdma/ehca/hcp_if.c
diff --git a/drivers/infiniband/hw/ehca/hcp_if.h b/drivers/staging/rdma/ehca/hcp_if.h
index a46e514c367b..a46e514c367b 100644
--- a/drivers/infiniband/hw/ehca/hcp_if.h
+++ b/drivers/staging/rdma/ehca/hcp_if.h
diff --git a/drivers/infiniband/hw/ehca/hcp_phyp.c b/drivers/staging/rdma/ehca/hcp_phyp.c
index 077376ff3d28..077376ff3d28 100644
--- a/drivers/infiniband/hw/ehca/hcp_phyp.c
+++ b/drivers/staging/rdma/ehca/hcp_phyp.c
diff --git a/drivers/infiniband/hw/ehca/hcp_phyp.h b/drivers/staging/rdma/ehca/hcp_phyp.h
index d1b029910249..d1b029910249 100644
--- a/drivers/infiniband/hw/ehca/hcp_phyp.h
+++ b/drivers/staging/rdma/ehca/hcp_phyp.h
diff --git a/drivers/infiniband/hw/ehca/hipz_fns.h b/drivers/staging/rdma/ehca/hipz_fns.h
index 9dac93d02140..9dac93d02140 100644
--- a/drivers/infiniband/hw/ehca/hipz_fns.h
+++ b/drivers/staging/rdma/ehca/hipz_fns.h
diff --git a/drivers/infiniband/hw/ehca/hipz_fns_core.h b/drivers/staging/rdma/ehca/hipz_fns_core.h
index 868735fd3187..868735fd3187 100644
--- a/drivers/infiniband/hw/ehca/hipz_fns_core.h
+++ b/drivers/staging/rdma/ehca/hipz_fns_core.h
diff --git a/drivers/infiniband/hw/ehca/hipz_hw.h b/drivers/staging/rdma/ehca/hipz_hw.h
index bf996c7acc42..bf996c7acc42 100644
--- a/drivers/infiniband/hw/ehca/hipz_hw.h
+++ b/drivers/staging/rdma/ehca/hipz_hw.h
diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.c b/drivers/staging/rdma/ehca/ipz_pt_fn.c
index 7ffc748cb973..7ffc748cb973 100644
--- a/drivers/infiniband/hw/ehca/ipz_pt_fn.c
+++ b/drivers/staging/rdma/ehca/ipz_pt_fn.c
diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.h b/drivers/staging/rdma/ehca/ipz_pt_fn.h
index a801274ea337..a801274ea337 100644
--- a/drivers/infiniband/hw/ehca/ipz_pt_fn.h
+++ b/drivers/staging/rdma/ehca/ipz_pt_fn.h