Linux patch 4.9.494.9-50

2 files changed, 893 insertions, 0 deletions

diff --git a/0000_README b/0000_README
index da58adfe..e403e79a 100644
--- a/0000_README
+++ b/0000_README
@@ -235,6 +235,10 @@ Patch:  1047_linux-4.9.48.patch
 From:   http://www.kernel.org
 Desc:   Linux 4.9.48
 
+Patch:  1048_linux-4.9.49.patch
+From:   http://www.kernel.org
+Desc:   Linux 4.9.49
+
 Patch:  1500_XATTR_USER_PREFIX.patch
 From:   https://bugs.gentoo.org/show_bug.cgi?id=470644
 Desc:   Support for namespace user.pax.* on tmpfs.
diff --git a/1048_linux-4.9.49.patch b/1048_linux-4.9.49.patch
new file mode 100644
index 00000000..01d99cd8
--- /dev/null
+++ b/1048_linux-4.9.49.patch
@@ -0,0 +1,889 @@
+diff --git a/Makefile b/Makefile
+index cfa188b427b1..1ebc553f5464 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 9
+-SUBLEVEL = 48
++SUBLEVEL = 49
+ EXTRAVERSION =
+ NAME = Roaring Lionus
+ 
+diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
+index 0cea7026e4ff..d33f245af5e9 100644
+--- a/arch/s390/include/asm/pgtable.h
++++ b/arch/s390/include/asm/pgtable.h
+@@ -480,7 +480,7 @@ static inline int mm_alloc_pgste(struct mm_struct *mm)
+  * In the case that a guest uses storage keys
+  * faults should no longer be backed by zero pages
+  */
+-#define mm_forbids_zeropage mm_use_skey
++#define mm_forbids_zeropage mm_has_pgste
+ static inline int mm_use_skey(struct mm_struct *mm)
+ {
+ #ifdef CONFIG_PGSTE
+diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
+index 3ba622702ce4..cb2cd04e6698 100644
+--- a/arch/s390/mm/gmap.c
++++ b/arch/s390/mm/gmap.c
+@@ -2124,6 +2124,37 @@ static inline void thp_split_mm(struct mm_struct *mm)
+ #endif
+ }
+ 
++/*
++ * Remove all empty zero pages from the mapping for lazy refaulting
++ * - This must be called after mm->context.has_pgste is set, to avoid
++ *   future creation of zero pages
++ * - This must be called after THP was enabled
++ */
++static int __zap_zero_pages(pmd_t *pmd, unsigned long start,
++			   unsigned long end, struct mm_walk *walk)
++{
++	unsigned long addr;
++
++	for (addr = start; addr != end; addr += PAGE_SIZE) {
++		pte_t *ptep;
++		spinlock_t *ptl;
++
++		ptep = pte_offset_map_lock(walk->mm, pmd, addr, &ptl);
++		if (is_zero_pfn(pte_pfn(*ptep)))
++			ptep_xchg_direct(walk->mm, addr, ptep, __pte(_PAGE_INVALID));
++		pte_unmap_unlock(ptep, ptl);
++	}
++	return 0;
++}
++
++static inline void zap_zero_pages(struct mm_struct *mm)
++{
++	struct mm_walk walk = { .pmd_entry = __zap_zero_pages };
++
++	walk.mm = mm;
++	walk_page_range(0, TASK_SIZE, &walk);
++}
++
+ /*
+  * switch on pgstes for its userspace process (for kvm)
+  */
+@@ -2141,6 +2172,7 @@ int s390_enable_sie(void)
+ 	mm->context.has_pgste = 1;
+ 	/* split thp mappings and disable thp for future mappings */
+ 	thp_split_mm(mm);
++	zap_zero_pages(mm);
+ 	up_write(&mm->mmap_sem);
+ 	return 0;
+ }
+@@ -2153,13 +2185,6 @@ EXPORT_SYMBOL_GPL(s390_enable_sie);
+ static int __s390_enable_skey(pte_t *pte, unsigned long addr,
+ 			      unsigned long next, struct mm_walk *walk)
+ {
+-	/*
+-	 * Remove all zero page mappings,
+-	 * after establishing a policy to forbid zero page mappings
+-	 * following faults for that page will get fresh anonymous pages
+-	 */
+-	if (is_zero_pfn(pte_pfn(*pte)))
+-		ptep_xchg_direct(walk->mm, addr, pte, __pte(_PAGE_INVALID));
+ 	/* Clear storage key */
+ 	ptep_zap_key(walk->mm, addr, pte);
+ 	return 0;
+diff --git a/drivers/ata/pata_amd.c b/drivers/ata/pata_amd.c
+index 8d4d959a821c..8706533db57b 100644
+--- a/drivers/ata/pata_amd.c
++++ b/drivers/ata/pata_amd.c
+@@ -616,6 +616,7 @@ static const struct pci_device_id amd[] = {
+ 	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_IDE),	8 },
+ 	{ PCI_VDEVICE(NVIDIA,	PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE),	8 },
+ 	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_CS5536_IDE),		9 },
++	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_CS5536_DEV_IDE),	9 },
+ 
+ 	{ },
+ };
+diff --git a/drivers/ata/pata_cs5536.c b/drivers/ata/pata_cs5536.c
+index 6c15a554efbe..dc1255294628 100644
+--- a/drivers/ata/pata_cs5536.c
++++ b/drivers/ata/pata_cs5536.c
+@@ -289,6 +289,7 @@ static int cs5536_init_one(struct pci_dev *dev, const struct pci_device_id *id)
+ 
+ static const struct pci_device_id cs5536[] = {
+ 	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_CS5536_IDE), },
++	{ PCI_VDEVICE(AMD,	PCI_DEVICE_ID_AMD_CS5536_DEV_IDE), },
+ 	{ },
+ };
+ 
+diff --git a/drivers/base/bus.c b/drivers/base/bus.c
+index 6470eb8088f4..e32a74eb28a3 100644
+--- a/drivers/base/bus.c
++++ b/drivers/base/bus.c
+@@ -736,7 +736,7 @@ int bus_add_driver(struct device_driver *drv)
+ 
+ out_unregister:
+ 	kobject_put(&priv->kobj);
+-	kfree(drv->p);
++	/* drv->p is freed in driver_release()  */
+ 	drv->p = NULL;
+ out_put_bus:
+ 	bus_put(bus);
+diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
+index dd220fad366c..74e677ac8e37 100644
+--- a/drivers/bluetooth/btusb.c
++++ b/drivers/bluetooth/btusb.c
+@@ -342,6 +342,7 @@ static const struct usb_device_id blacklist_table[] = {
+ 	{ USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
+ 	{ USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
+ 	{ USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
++	{ USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK },
+ 
+ 	/* Additional Realtek 8821AE Bluetooth devices */
+ 	{ USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
+diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511.h b/drivers/gpu/drm/bridge/adv7511/adv7511.h
+index 161c923d6162..3e74e1a6584c 100644
+--- a/drivers/gpu/drm/bridge/adv7511/adv7511.h
++++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h
+@@ -315,6 +315,8 @@ struct adv7511 {
+ 	bool edid_read;
+ 
+ 	wait_queue_head_t wq;
++	struct work_struct hpd_work;
++
+ 	struct drm_bridge bridge;
+ 	struct drm_connector connector;
+ 
+diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
+index 8ed3906dd411..213d892b6fa3 100644
+--- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
++++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
+@@ -402,6 +402,27 @@ static bool adv7511_hpd(struct adv7511 *adv7511)
+ 	return false;
+ }
+ 
++static void adv7511_hpd_work(struct work_struct *work)
++{
++	struct adv7511 *adv7511 = container_of(work, struct adv7511, hpd_work);
++	enum drm_connector_status status;
++	unsigned int val;
++	int ret;
++
++	ret = regmap_read(adv7511->regmap, ADV7511_REG_STATUS, &val);
++	if (ret < 0)
++		status = connector_status_disconnected;
++	else if (val & ADV7511_STATUS_HPD)
++		status = connector_status_connected;
++	else
++		status = connector_status_disconnected;
++
++	if (adv7511->connector.status != status) {
++		adv7511->connector.status = status;
++		drm_kms_helper_hotplug_event(adv7511->connector.dev);
++	}
++}
++
+ static int adv7511_irq_process(struct adv7511 *adv7511, bool process_hpd)
+ {
+ 	unsigned int irq0, irq1;
+@@ -419,7 +440,7 @@ static int adv7511_irq_process(struct adv7511 *adv7511, bool process_hpd)
+ 	regmap_write(adv7511->regmap, ADV7511_REG_INT(1), irq1);
+ 
+ 	if (process_hpd && irq0 & ADV7511_INT0_HPD && adv7511->bridge.encoder)
+-		drm_helper_hpd_irq_event(adv7511->connector.dev);
++		schedule_work(&adv7511->hpd_work);
+ 
+ 	if (irq0 & ADV7511_INT0_EDID_READY || irq1 & ADV7511_INT1_DDC_ERROR) {
+ 		adv7511->edid_read = true;
+@@ -1006,6 +1027,8 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
+ 			goto err_i2c_unregister_edid;
+ 	}
+ 
++	INIT_WORK(&adv7511->hpd_work, adv7511_hpd_work);
++
+ 	if (i2c->irq) {
+ 		init_waitqueue_head(&adv7511->wq);
+ 
+diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/base.c
+index eb9b278198b2..a4cb82495cee 100644
+--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/base.c
++++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/base.c
+@@ -192,6 +192,10 @@ nvkm_pci_new_(const struct nvkm_pci_func *func, struct nvkm_device *device,
+ 		}
+ 	}
+ 
++#ifdef __BIG_ENDIAN
++	pci->msi = false;
++#endif
++
+ 	pci->msi = nvkm_boolopt(device->cfgopt, "NvMSI", pci->msi);
+ 	if (pci->msi && func->msi_rearm) {
+ 		pci->msi = pci_enable_msi(pci->pdev) == 0;
+diff --git a/drivers/hwtracing/intel_th/pci.c b/drivers/hwtracing/intel_th/pci.c
+index 0bba3842336e..63b5db4e4070 100644
+--- a/drivers/hwtracing/intel_th/pci.c
++++ b/drivers/hwtracing/intel_th/pci.c
+@@ -85,6 +85,16 @@ static const struct pci_device_id intel_th_pci_id_table[] = {
+ 		PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xa2a6),
+ 		.driver_data = (kernel_ulong_t)0,
+ 	},
++	{
++		/* Cannon Lake H */
++		PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xa326),
++		.driver_data = (kernel_ulong_t)0,
++	},
++	{
++		/* Cannon Lake LP */
++		PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x9da6),
++		.driver_data = (kernel_ulong_t)0,
++	},
+ 	{ 0 },
+ };
+ 
+diff --git a/drivers/iio/adc/ti-ads1015.c b/drivers/iio/adc/ti-ads1015.c
+index cde6f130a99a..472641fc890c 100644
+--- a/drivers/iio/adc/ti-ads1015.c
++++ b/drivers/iio/adc/ti-ads1015.c
+@@ -80,18 +80,12 @@ static const unsigned int ads1115_data_rate[] = {
+ 	8, 16, 32, 64, 128, 250, 475, 860
+ };
+ 
+-static const struct {
+-	int scale;
+-	int uscale;
+-} ads1015_scale[] = {
+-	{3, 0},
+-	{2, 0},
+-	{1, 0},
+-	{0, 500000},
+-	{0, 250000},
+-	{0, 125000},
+-	{0, 125000},
+-	{0, 125000},
++/*
++ * Translation from PGA bits to full-scale positive and negative input voltage
++ * range in mV
++ */
++static int ads1015_fullscale_range[] = {
++	6144, 4096, 2048, 1024, 512, 256, 256, 256
+ };
+ 
+ #define ADS1015_V_CHAN(_chan, _addr) {				\
+@@ -182,6 +176,12 @@ struct ads1015_data {
+ 	struct ads1015_channel_data channel_data[ADS1015_CHANNELS];
+ 
+ 	unsigned int *data_rate;
++	/*
++	 * Set to true when the ADC is switched to the continuous-conversion
++	 * mode and exits from a power-down state.  This flag is used to avoid
++	 * getting the stale result from the conversion register.
++	 */
++	bool conv_invalid;
+ };
+ 
+ static bool ads1015_is_writeable_reg(struct device *dev, unsigned int reg)
+@@ -234,33 +234,43 @@ static int ads1015_set_power_state(struct ads1015_data *data, bool on)
+ 		ret = pm_runtime_put_autosuspend(dev);
+ 	}
+ 
+-	return ret;
++	return ret < 0 ? ret : 0;
+ }
+ 
+ static
+ int ads1015_get_adc_result(struct ads1015_data *data, int chan, int *val)
+ {
+ 	int ret, pga, dr, conv_time;
+-	bool change;
++	unsigned int old, mask, cfg;
+ 
+ 	if (chan < 0 || chan >= ADS1015_CHANNELS)
+ 		return -EINVAL;
+ 
++	ret = regmap_read(data->regmap, ADS1015_CFG_REG, &old);
++	if (ret)
++		return ret;
++
+ 	pga = data->channel_data[chan].pga;
+ 	dr = data->channel_data[chan].data_rate;
++	mask = ADS1015_CFG_MUX_MASK | ADS1015_CFG_PGA_MASK |
++		ADS1015_CFG_DR_MASK;
++	cfg = chan << ADS1015_CFG_MUX_SHIFT | pga << ADS1015_CFG_PGA_SHIFT |
++		dr << ADS1015_CFG_DR_SHIFT;
+ 
+-	ret = regmap_update_bits_check(data->regmap, ADS1015_CFG_REG,
+-				       ADS1015_CFG_MUX_MASK |
+-				       ADS1015_CFG_PGA_MASK,
+-				       chan << ADS1015_CFG_MUX_SHIFT |
+-				       pga << ADS1015_CFG_PGA_SHIFT,
+-				       &change);
+-	if (ret < 0)
++	cfg = (old & ~mask) | (cfg & mask);
++
++	ret = regmap_write(data->regmap, ADS1015_CFG_REG, cfg);
++	if (ret)
+ 		return ret;
+ 
+-	if (change) {
+-		conv_time = DIV_ROUND_UP(USEC_PER_SEC, data->data_rate[dr]);
++	if (old != cfg || data->conv_invalid) {
++		int dr_old = (old & ADS1015_CFG_DR_MASK) >>
++				ADS1015_CFG_DR_SHIFT;
++
++		conv_time = DIV_ROUND_UP(USEC_PER_SEC, data->data_rate[dr_old]);
++		conv_time += DIV_ROUND_UP(USEC_PER_SEC, data->data_rate[dr]);
+ 		usleep_range(conv_time, conv_time + 1);
++		data->conv_invalid = false;
+ 	}
+ 
+ 	return regmap_read(data->regmap, ADS1015_CONV_REG, val);
+@@ -297,17 +307,20 @@ static irqreturn_t ads1015_trigger_handler(int irq, void *p)
+ 	return IRQ_HANDLED;
+ }
+ 
+-static int ads1015_set_scale(struct ads1015_data *data, int chan,
++static int ads1015_set_scale(struct ads1015_data *data,
++			     struct iio_chan_spec const *chan,
+ 			     int scale, int uscale)
+ {
+ 	int i, ret, rindex = -1;
++	int fullscale = div_s64((scale * 1000000LL + uscale) <<
++				(chan->scan_type.realbits - 1), 1000000);
+ 
+-	for (i = 0; i < ARRAY_SIZE(ads1015_scale); i++)
+-		if (ads1015_scale[i].scale == scale &&
+-		    ads1015_scale[i].uscale == uscale) {
++	for (i = 0; i < ARRAY_SIZE(ads1015_fullscale_range); i++) {
++		if (ads1015_fullscale_range[i] == fullscale) {
+ 			rindex = i;
+ 			break;
+ 		}
++	}
+ 	if (rindex < 0)
+ 		return -EINVAL;
+ 
+@@ -317,32 +330,23 @@ static int ads1015_set_scale(struct ads1015_data *data, int chan,
+ 	if (ret < 0)
+ 		return ret;
+ 
+-	data->channel_data[chan].pga = rindex;
++	data->channel_data[chan->address].pga = rindex;
+ 
+ 	return 0;
+ }
+ 
+ static int ads1015_set_data_rate(struct ads1015_data *data, int chan, int rate)
+ {
+-	int i, ret, rindex = -1;
++	int i;
+ 
+-	for (i = 0; i < ARRAY_SIZE(ads1015_data_rate); i++)
++	for (i = 0; i < ARRAY_SIZE(ads1015_data_rate); i++) {
+ 		if (data->data_rate[i] == rate) {
+-			rindex = i;
+-			break;
++			data->channel_data[chan].data_rate = i;
++			return 0;
+ 		}
+-	if (rindex < 0)
+-		return -EINVAL;
+-
+-	ret = regmap_update_bits(data->regmap, ADS1015_CFG_REG,
+-				 ADS1015_CFG_DR_MASK,
+-				 rindex << ADS1015_CFG_DR_SHIFT);
+-	if (ret < 0)
+-		return ret;
+-
+-	data->channel_data[chan].data_rate = rindex;
++	}
+ 
+-	return 0;
++	return -EINVAL;
+ }
+ 
+ static int ads1015_read_raw(struct iio_dev *indio_dev,
+@@ -384,9 +388,9 @@ static int ads1015_read_raw(struct iio_dev *indio_dev,
+ 	}
+ 	case IIO_CHAN_INFO_SCALE:
+ 		idx = data->channel_data[chan->address].pga;
+-		*val = ads1015_scale[idx].scale;
+-		*val2 = ads1015_scale[idx].uscale;
+-		ret = IIO_VAL_INT_PLUS_MICRO;
++		*val = ads1015_fullscale_range[idx];
++		*val2 = chan->scan_type.realbits - 1;
++		ret = IIO_VAL_FRACTIONAL_LOG2;
+ 		break;
+ 	case IIO_CHAN_INFO_SAMP_FREQ:
+ 		idx = data->channel_data[chan->address].data_rate;
+@@ -413,7 +417,7 @@ static int ads1015_write_raw(struct iio_dev *indio_dev,
+ 	mutex_lock(&data->lock);
+ 	switch (mask) {
+ 	case IIO_CHAN_INFO_SCALE:
+-		ret = ads1015_set_scale(data, chan->address, val, val2);
++		ret = ads1015_set_scale(data, chan, val, val2);
+ 		break;
+ 	case IIO_CHAN_INFO_SAMP_FREQ:
+ 		ret = ads1015_set_data_rate(data, chan->address, val);
+@@ -445,7 +449,10 @@ static const struct iio_buffer_setup_ops ads1015_buffer_setup_ops = {
+ 	.validate_scan_mask = &iio_validate_scan_mask_onehot,
+ };
+ 
+-static IIO_CONST_ATTR(scale_available, "3 2 1 0.5 0.25 0.125");
++static IIO_CONST_ATTR_NAMED(ads1015_scale_available, scale_available,
++	"3 2 1 0.5 0.25 0.125");
++static IIO_CONST_ATTR_NAMED(ads1115_scale_available, scale_available,
++	"0.1875 0.125 0.0625 0.03125 0.015625 0.007813");
+ 
+ static IIO_CONST_ATTR_NAMED(ads1015_sampling_frequency_available,
+ 	sampling_frequency_available, "128 250 490 920 1600 2400 3300");
+@@ -453,7 +460,7 @@ static IIO_CONST_ATTR_NAMED(ads1115_sampling_frequency_available,
+ 	sampling_frequency_available, "8 16 32 64 128 250 475 860");
+ 
+ static struct attribute *ads1015_attributes[] = {
+-	&iio_const_attr_scale_available.dev_attr.attr,
++	&iio_const_attr_ads1015_scale_available.dev_attr.attr,
+ 	&iio_const_attr_ads1015_sampling_frequency_available.dev_attr.attr,
+ 	NULL,
+ };
+@@ -463,7 +470,7 @@ static const struct attribute_group ads1015_attribute_group = {
+ };
+ 
+ static struct attribute *ads1115_attributes[] = {
+-	&iio_const_attr_scale_available.dev_attr.attr,
++	&iio_const_attr_ads1115_scale_available.dev_attr.attr,
+ 	&iio_const_attr_ads1115_sampling_frequency_available.dev_attr.attr,
+ 	NULL,
+ };
+@@ -624,6 +631,15 @@ static int ads1015_probe(struct i2c_client *client,
+ 		dev_err(&client->dev, "iio triggered buffer setup failed\n");
+ 		return ret;
+ 	}
++
++	ret = regmap_update_bits(data->regmap, ADS1015_CFG_REG,
++				ADS1015_CFG_MOD_MASK,
++				ADS1015_CONTINUOUS << ADS1015_CFG_MOD_SHIFT);
++	if (ret)
++		return ret;
++
++	data->conv_invalid = true;
++
+ 	ret = pm_runtime_set_active(&client->dev);
+ 	if (ret)
+ 		goto err_buffer_cleanup;
+@@ -679,10 +695,15 @@ static int ads1015_runtime_resume(struct device *dev)
+ {
+ 	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
+ 	struct ads1015_data *data = iio_priv(indio_dev);
++	int ret;
+ 
+-	return regmap_update_bits(data->regmap, ADS1015_CFG_REG,
++	ret = regmap_update_bits(data->regmap, ADS1015_CFG_REG,
+ 				  ADS1015_CFG_MOD_MASK,
+ 				  ADS1015_CONTINUOUS << ADS1015_CFG_MOD_SHIFT);
++	if (!ret)
++		data->conv_invalid = true;
++
++	return ret;
+ }
+ #endif
+ 
+diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c
+index ce6ff9b301bb..7e2dc5e56632 100644
+--- a/drivers/input/mouse/trackpoint.c
++++ b/drivers/input/mouse/trackpoint.c
+@@ -381,8 +381,8 @@ int trackpoint_detect(struct psmouse *psmouse, bool set_properties)
+ 		return 0;
+ 
+ 	if (trackpoint_read(&psmouse->ps2dev, TP_EXT_BTN, &button_info)) {
+-		psmouse_warn(psmouse, "failed to get extended button data\n");
+-		button_info = 0;
++		psmouse_warn(psmouse, "failed to get extended button data, assuming 3 buttons\n");
++		button_info = 0x33;
+ 	}
+ 
+ 	psmouse->private = kzalloc(sizeof(struct trackpoint_data), GFP_KERNEL);
+diff --git a/drivers/mcb/mcb-lpc.c b/drivers/mcb/mcb-lpc.c
+index d072c088ce73..945091a88354 100644
+--- a/drivers/mcb/mcb-lpc.c
++++ b/drivers/mcb/mcb-lpc.c
+@@ -114,6 +114,12 @@ static struct resource sc24_fpga_resource = {
+ 	.flags = IORESOURCE_MEM,
+ };
+ 
++static struct resource sc31_fpga_resource = {
++	.start = 0xf000e000,
++	.end = 0xf000e000 + CHAM_HEADER_SIZE,
++	.flags = IORESOURCE_MEM,
++};
++
+ static struct platform_driver mcb_lpc_driver = {
+ 	.driver		= {
+ 		.name = "mcb-lpc",
+@@ -132,6 +138,15 @@ static const struct dmi_system_id mcb_lpc_dmi_table[] = {
+ 		.driver_data = (void *)&sc24_fpga_resource,
+ 		.callback = mcb_lpc_create_platform_device,
+ 	},
++	{
++		.ident = "SC31",
++		.matches = {
++			DMI_MATCH(DMI_SYS_VENDOR, "MEN"),
++			DMI_MATCH(DMI_PRODUCT_VERSION, "14SC31"),
++		},
++		.driver_data = (void *)&sc31_fpga_resource,
++		.callback = mcb_lpc_create_platform_device,
++	},
+ 	{}
+ };
+ MODULE_DEVICE_TABLE(dmi, mcb_lpc_dmi_table);
+diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
+index 972b5e224d5d..366d3dcb8e9d 100644
+--- a/drivers/net/wireless/ath/ath10k/core.c
++++ b/drivers/net/wireless/ath/ath10k/core.c
+@@ -1852,6 +1852,12 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
+ 		goto err_wmi_detach;
+ 	}
+ 
++	/* If firmware indicates Full Rx Reorder support it must be used in a
++	 * slightly different manner. Let HTT code know.
++	 */
++	ar->htt.rx_ring.in_ord_rx = !!(test_bit(WMI_SERVICE_RX_FULL_REORDER,
++						ar->wmi.svc_map));
++
+ 	status = ath10k_htt_rx_alloc(&ar->htt);
+ 	if (status) {
+ 		ath10k_err(ar, "failed to alloc htt rx: %d\n", status);
+@@ -1964,12 +1970,6 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
+ 		}
+ 	}
+ 
+-	/* If firmware indicates Full Rx Reorder support it must be used in a
+-	 * slightly different manner. Let HTT code know.
+-	 */
+-	ar->htt.rx_ring.in_ord_rx = !!(test_bit(WMI_SERVICE_RX_FULL_REORDER,
+-						ar->wmi.svc_map));
+-
+ 	status = ath10k_htt_rx_ring_refill(ar);
+ 	if (status) {
+ 		ath10k_err(ar, "failed to refill htt rx ring: %d\n", status);
+diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
+index 2f8134b2a504..177fd5be2811 100644
+--- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
++++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
+@@ -429,6 +429,7 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
+ 	{IWL_PCI_DEVICE(0x095B, 0x520A, iwl7265_2ac_cfg)},
+ 	{IWL_PCI_DEVICE(0x095A, 0x9000, iwl7265_2ac_cfg)},
+ 	{IWL_PCI_DEVICE(0x095A, 0x9400, iwl7265_2ac_cfg)},
++	{IWL_PCI_DEVICE(0x095A, 0x9E10, iwl7265_2ac_cfg)},
+ 
+ /* 8000 Series */
+ 	{IWL_PCI_DEVICE(0x24F3, 0x0010, iwl8260_2ac_cfg)},
+diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
+index afdbbf59a278..8677a53ef725 100644
+--- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c
++++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
+@@ -4188,7 +4188,7 @@ int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter)
+ 	if (adapter->config_bands & BAND_A)
+ 		n_channels_a = mwifiex_band_5ghz.n_channels;
+ 
+-	adapter->num_in_chan_stats = max_t(u32, n_channels_bg, n_channels_a);
++	adapter->num_in_chan_stats = n_channels_bg + n_channels_a;
+ 	adapter->chan_stats = vmalloc(sizeof(*adapter->chan_stats) *
+ 				      adapter->num_in_chan_stats);
+ 
+diff --git a/drivers/net/wireless/marvell/mwifiex/scan.c b/drivers/net/wireless/marvell/mwifiex/scan.c
+index 97c9765b5bc6..78d59a67f7e1 100644
+--- a/drivers/net/wireless/marvell/mwifiex/scan.c
++++ b/drivers/net/wireless/marvell/mwifiex/scan.c
+@@ -2479,6 +2479,12 @@ mwifiex_update_chan_statistics(struct mwifiex_private *priv,
+ 					      sizeof(struct mwifiex_chan_stats);
+ 
+ 	for (i = 0 ; i < num_chan; i++) {
++		if (adapter->survey_idx >= adapter->num_in_chan_stats) {
++			mwifiex_dbg(adapter, WARN,
++				    "FW reported too many channel results (max %d)\n",
++				    adapter->num_in_chan_stats);
++			return;
++		}
+ 		chan_stats.chan_num = fw_chan_stats->chan_num;
+ 		chan_stats.bandcfg = fw_chan_stats->bandcfg;
+ 		chan_stats.flags = fw_chan_stats->flags;
+diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c
+index 5be4fc96002d..75ffeaa54ed8 100644
+--- a/drivers/net/wireless/realtek/rtlwifi/pci.c
++++ b/drivers/net/wireless/realtek/rtlwifi/pci.c
+@@ -2269,7 +2269,7 @@ int rtl_pci_probe(struct pci_dev *pdev,
+ 	/* find adapter */
+ 	if (!_rtl_pci_find_adapter(pdev, hw)) {
+ 		err = -ENODEV;
+-		goto fail3;
++		goto fail2;
+ 	}
+ 
+ 	/* Init IO handler */
+@@ -2339,10 +2339,10 @@ int rtl_pci_probe(struct pci_dev *pdev,
+ 	pci_set_drvdata(pdev, NULL);
+ 	rtl_deinit_core(hw);
+ 
++fail2:
+ 	if (rtlpriv->io.pci_mem_start != 0)
+ 		pci_iounmap(pdev, (void __iomem *)rtlpriv->io.pci_mem_start);
+ 
+-fail2:
+ 	pci_release_regions(pdev);
+ 	complete(&rtlpriv->firmware_loading_complete);
+ 
+diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
+index fed37aabf828..9236a13d5d2a 100644
+--- a/drivers/scsi/sg.c
++++ b/drivers/scsi/sg.c
+@@ -1244,6 +1244,7 @@ sg_mmap(struct file *filp, struct vm_area_struct *vma)
+ 	unsigned long req_sz, len, sa;
+ 	Sg_scatter_hold *rsv_schp;
+ 	int k, length;
++	int ret = 0;
+ 
+ 	if ((!filp) || (!vma) || (!(sfp = (Sg_fd *) filp->private_data)))
+ 		return -ENXIO;
+@@ -1254,8 +1255,11 @@ sg_mmap(struct file *filp, struct vm_area_struct *vma)
+ 	if (vma->vm_pgoff)
+ 		return -EINVAL;	/* want no offset */
+ 	rsv_schp = &sfp->reserve;
+-	if (req_sz > rsv_schp->bufflen)
+-		return -ENOMEM;	/* cannot map more than reserved buffer */
++	mutex_lock(&sfp->f_mutex);
++	if (req_sz > rsv_schp->bufflen) {
++		ret = -ENOMEM;	/* cannot map more than reserved buffer */
++		goto out;
++	}
+ 
+ 	sa = vma->vm_start;
+ 	length = 1 << (PAGE_SHIFT + rsv_schp->page_order);
+@@ -1269,7 +1273,9 @@ sg_mmap(struct file *filp, struct vm_area_struct *vma)
+ 	vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
+ 	vma->vm_private_data = sfp;
+ 	vma->vm_ops = &sg_mmap_vm_ops;
+-	return 0;
++out:
++	mutex_unlock(&sfp->f_mutex);
++	return ret;
+ }
+ 
+ static void
+@@ -1741,9 +1747,12 @@ sg_start_req(Sg_request *srp, unsigned char *cmd)
+ 		    !sfp->res_in_use) {
+ 			sfp->res_in_use = 1;
+ 			sg_link_reserve(sfp, srp, dxfer_len);
+-		} else if ((hp->flags & SG_FLAG_MMAP_IO) && sfp->res_in_use) {
++		} else if (hp->flags & SG_FLAG_MMAP_IO) {
++			res = -EBUSY; /* sfp->res_in_use == 1 */
++			if (dxfer_len > rsv_schp->bufflen)
++				res = -ENOMEM;
+ 			mutex_unlock(&sfp->f_mutex);
+-			return -EBUSY;
++			return res;
+ 		} else {
+ 			res = sg_build_indirect(req_schp, sfp, dxfer_len);
+ 			if (res) {
+diff --git a/drivers/staging/rts5208/rtsx_scsi.c b/drivers/staging/rts5208/rtsx_scsi.c
+index becb4bba166c..b3790334fd3f 100644
+--- a/drivers/staging/rts5208/rtsx_scsi.c
++++ b/drivers/staging/rts5208/rtsx_scsi.c
+@@ -414,7 +414,7 @@ void set_sense_data(struct rtsx_chip *chip, unsigned int lun, u8 err_code,
+ 	sense->ascq = ascq;
+ 	if (sns_key_info0 != 0) {
+ 		sense->sns_key_info[0] = SKSV | sns_key_info0;
+-		sense->sns_key_info[1] = (sns_key_info1 & 0xf0) >> 8;
++		sense->sns_key_info[1] = (sns_key_info1 & 0xf0) >> 4;
+ 		sense->sns_key_info[2] = sns_key_info1 & 0x0f;
+ 	}
+ }
+diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
+index 840930b014f6..c8075eb3db26 100644
+--- a/drivers/usb/core/devio.c
++++ b/drivers/usb/core/devio.c
+@@ -629,6 +629,8 @@ static void async_completed(struct urb *urb)
+ 	if (as->status < 0 && as->bulk_addr && as->status != -ECONNRESET &&
+ 			as->status != -ENOENT)
+ 		cancel_bulk_urbs(ps, as->bulk_addr);
++
++	wake_up(&ps->wait);
+ 	spin_unlock(&ps->lock);
+ 
+ 	if (signr) {
+@@ -636,8 +638,6 @@ static void async_completed(struct urb *urb)
+ 		put_pid(pid);
+ 		put_cred(cred);
+ 	}
+-
+-	wake_up(&ps->wait);
+ }
+ 
+ static void destroy_async(struct usb_dev_state *ps, struct list_head *list)
+diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
+index 574da2b4529c..82806e311202 100644
+--- a/drivers/usb/core/quirks.c
++++ b/drivers/usb/core/quirks.c
+@@ -57,8 +57,9 @@ static const struct usb_device_id usb_quirk_list[] = {
+ 	/* Microsoft LifeCam-VX700 v2.0 */
+ 	{ USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME },
+ 
+-	/* Logitech HD Pro Webcams C920 and C930e */
++	/* Logitech HD Pro Webcams C920, C920-C and C930e */
+ 	{ USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT },
++	{ USB_DEVICE(0x046d, 0x0841), .driver_info = USB_QUIRK_DELAY_INIT },
+ 	{ USB_DEVICE(0x046d, 0x0843), .driver_info = USB_QUIRK_DELAY_INIT },
+ 
+ 	/* Logitech ConferenceCam CC3000e */
+@@ -217,6 +218,9 @@ static const struct usb_device_id usb_quirk_list[] = {
+ 	{ USB_DEVICE(0x1a0a, 0x0200), .driver_info =
+ 			USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
+ 
++	/* Corsair Strafe RGB */
++	{ USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT },
++
+ 	/* Acer C120 LED Projector */
+ 	{ USB_DEVICE(0x1de1, 0xc102), .driver_info = USB_QUIRK_NO_LPM },
+ 
+diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
+index 5f4ca7890435..58b9685eb21f 100644
+--- a/drivers/usb/host/pci-quirks.c
++++ b/drivers/usb/host/pci-quirks.c
+@@ -142,29 +142,30 @@ static int amd_chipset_sb_type_init(struct amd_chipset_info *pinfo)
+ 			pinfo->sb_type.gen = AMD_CHIPSET_SB700;
+ 		else if (rev >= 0x40 && rev <= 0x4f)
+ 			pinfo->sb_type.gen = AMD_CHIPSET_SB800;
+-	}
+-	pinfo->smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD,
+-					  0x145c, NULL);
+-	if (pinfo->smbus_dev) {
+-		pinfo->sb_type.gen = AMD_CHIPSET_TAISHAN;
+ 	} else {
+ 		pinfo->smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD,
+ 				PCI_DEVICE_ID_AMD_HUDSON2_SMBUS, NULL);
+ 
+-		if (!pinfo->smbus_dev) {
+-			pinfo->sb_type.gen = NOT_AMD_CHIPSET;
+-			return 0;
++		if (pinfo->smbus_dev) {
++			rev = pinfo->smbus_dev->revision;
++			if (rev >= 0x11 && rev <= 0x14)
++				pinfo->sb_type.gen = AMD_CHIPSET_HUDSON2;
++			else if (rev >= 0x15 && rev <= 0x18)
++				pinfo->sb_type.gen = AMD_CHIPSET_BOLTON;
++			else if (rev >= 0x39 && rev <= 0x3a)
++				pinfo->sb_type.gen = AMD_CHIPSET_YANGTZE;
++		} else {
++			pinfo->smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD,
++							  0x145c, NULL);
++			if (pinfo->smbus_dev) {
++				rev = pinfo->smbus_dev->revision;
++				pinfo->sb_type.gen = AMD_CHIPSET_TAISHAN;
++			} else {
++				pinfo->sb_type.gen = NOT_AMD_CHIPSET;
++				return 0;
++			}
+ 		}
+-
+-		rev = pinfo->smbus_dev->revision;
+-		if (rev >= 0x11 && rev <= 0x14)
+-			pinfo->sb_type.gen = AMD_CHIPSET_HUDSON2;
+-		else if (rev >= 0x15 && rev <= 0x18)
+-			pinfo->sb_type.gen = AMD_CHIPSET_BOLTON;
+-		else if (rev >= 0x39 && rev <= 0x3a)
+-			pinfo->sb_type.gen = AMD_CHIPSET_YANGTZE;
+ 	}
+-
+ 	pinfo->sb_type.rev = rev;
+ 	return 1;
+ }
+diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
+index 261ed2ca28f9..a6b6b1cf1317 100644
+--- a/drivers/usb/musb/musb_core.c
++++ b/drivers/usb/musb/musb_core.c
+@@ -2655,6 +2655,13 @@ static int musb_suspend(struct device *dev)
+ {
+ 	struct musb	*musb = dev_to_musb(dev);
+ 	unsigned long	flags;
++	int ret;
++
++	ret = pm_runtime_get_sync(dev);
++	if (ret < 0) {
++		pm_runtime_put_noidle(dev);
++		return ret;
++	}
+ 
+ 	musb_platform_disable(musb);
+ 	musb_generic_disable(musb);
+@@ -2703,14 +2710,6 @@ static int musb_resume(struct device *dev)
+ 	if ((devctl & mask) != (musb->context.devctl & mask))
+ 		musb->port1_status = 0;
+ 
+-	/*
+-	 * The USB HUB code expects the device to be in RPM_ACTIVE once it came
+-	 * out of suspend
+-	 */
+-	pm_runtime_disable(dev);
+-	pm_runtime_set_active(dev);
+-	pm_runtime_enable(dev);
+-
+ 	musb_start(musb);
+ 
+ 	spin_lock_irqsave(&musb->lock, flags);
+@@ -2720,6 +2719,9 @@ static int musb_resume(struct device *dev)
+ 			error);
+ 	spin_unlock_irqrestore(&musb->lock, flags);
+ 
++	pm_runtime_mark_last_busy(dev);
++	pm_runtime_put_autosuspend(dev);
++
+ 	return 0;
+ }
+ 
+diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
+index fe123153b1a5..2a9944326210 100644
+--- a/drivers/usb/serial/option.c
++++ b/drivers/usb/serial/option.c
+@@ -2023,6 +2023,7 @@ static const struct usb_device_id option_ids[] = {
+ 	{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x02, 0x01) },
+ 	{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x00, 0x00) },
+ 	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7d04, 0xff) },			/* D-Link DWM-158 */
++	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7d0e, 0xff) },			/* D-Link DWM-157 C1 */
+ 	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e19, 0xff),			/* D-Link DWM-221 B1 */
+ 	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+ 	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e35, 0xff),			/* D-Link DWM-222 */
+diff --git a/fs/dlm/user.c b/fs/dlm/user.c
+index 58c2f4a21b7f..9ac65914ab5b 100644
+--- a/fs/dlm/user.c
++++ b/fs/dlm/user.c
+@@ -355,6 +355,10 @@ static int dlm_device_register(struct dlm_ls *ls, char *name)
+ 	error = misc_register(&ls->ls_device);
+ 	if (error) {
+ 		kfree(ls->ls_device.name);
++		/* this has to be set to NULL
++		 * to avoid a double-free in dlm_device_deregister
++		 */
++		ls->ls_device.name = NULL;
+ 	}
+ fail:
+ 	return error;
+diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
+index 3e5dbbe75f70..43082049baf2 100644
+--- a/include/linux/pci_ids.h
++++ b/include/linux/pci_ids.h
+@@ -574,6 +574,7 @@
+ #define PCI_DEVICE_ID_AMD_CS5536_EHC    0x2095
+ #define PCI_DEVICE_ID_AMD_CS5536_UDC    0x2096
+ #define PCI_DEVICE_ID_AMD_CS5536_UOC    0x2097
++#define PCI_DEVICE_ID_AMD_CS5536_DEV_IDE    0x2092
+ #define PCI_DEVICE_ID_AMD_CS5536_IDE    0x209A
+ #define PCI_DEVICE_ID_AMD_LX_VIDEO  0x2081
+ #define PCI_DEVICE_ID_AMD_LX_AES    0x2082
+diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
+index 733a21ef8da4..1061add575d2 100644
+--- a/include/linux/workqueue.h
++++ b/include/linux/workqueue.h
+@@ -311,8 +311,8 @@ enum {
+ 
+ 	__WQ_DRAINING		= 1 << 16, /* internal: workqueue is draining */
+ 	__WQ_ORDERED		= 1 << 17, /* internal: workqueue is ordered */
+-	__WQ_ORDERED_EXPLICIT	= 1 << 18, /* internal: alloc_ordered_workqueue() */
+ 	__WQ_LEGACY		= 1 << 18, /* internal: create*_workqueue() */
++	__WQ_ORDERED_EXPLICIT	= 1 << 19, /* internal: alloc_ordered_workqueue() */
+ 
+ 	WQ_MAX_ACTIVE		= 512,	  /* I like 512, better ideas? */
+ 	WQ_MAX_UNBOUND_PER_CPU	= 4,	  /* 4 * #cpus for unbound wq */