kernel: update 4.1 to 4.1.4

Changelog:
 * https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.4

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
[jogo: fix brcm2708 patches, refresh target patches]
Signed-off-by: Jonas Gorski <jogo@openwrt.org>

SVN-Revision: 46560

17 files changed, 42 insertions, 318 deletions

diff --git a/include/kernel-version.mk b/include/kernel-version.mk
index e03590f03a..9f68716a11 100644
--- a/include/kernel-version.mk
+++ b/include/kernel-version.mk
@@ -4,11 +4,11 @@ LINUX_RELEASE?=1
 
 LINUX_VERSION-3.18 = .19
 LINUX_VERSION-4.0 = .9
-LINUX_VERSION-4.1 = .3
+LINUX_VERSION-4.1 = .4
 
 LINUX_KERNEL_MD5SUM-3.18.19 = a143f9421bd8413752609d0d771c2955
 LINUX_KERNEL_MD5SUM-4.0.9 = 40fc5f6e2d718e539b45e6601c71985b
-LINUX_KERNEL_MD5SUM-4.1.3 = 96c2c77b1c54ba01cfd8fc2d13fbf828
+LINUX_KERNEL_MD5SUM-4.1.4 = 32cb4dd9f14d37bf71bafa6ed368f769
 
 ifdef KERNEL_PATCHVER
   LINUX_VERSION:=$(KERNEL_PATCHVER)$(strip $(LINUX_VERSION-$(KERNEL_PATCHVER)))
diff --git a/target/linux/ar71xx/patches-4.1/739-MIPS-ath79-add-gpio-func-register-for-QCA955x-SoC.patch b/target/linux/ar71xx/patches-4.1/739-MIPS-ath79-add-gpio-func-register-for-QCA955x-SoC.patch
index 24ce7d83c5..23425dca65 100644
--- a/target/linux/ar71xx/patches-4.1/739-MIPS-ath79-add-gpio-func-register-for-QCA955x-SoC.patch
+++ b/target/linux/ar71xx/patches-4.1/739-MIPS-ath79-add-gpio-func-register-for-QCA955x-SoC.patch
@@ -1,6 +1,6 @@
 --- a/arch/mips/ath79/gpio.c
 +++ b/arch/mips/ath79/gpio.c
-@@ -185,15 +185,27 @@ void __init ath79_gpio_output_select(uns
+@@ -221,15 +221,27 @@ void __init ath79_gpio_output_select(uns
  {
  	void __iomem *base = ath79_gpio_base;
  	unsigned long flags;
diff --git a/target/linux/ar71xx/patches-4.1/813-MIPS-ath79-add-ap147-support.patch b/target/linux/ar71xx/patches-4.1/813-MIPS-ath79-add-ap147-support.patch
index 2ca9a1ecea..ed0d9847bd 100644
--- a/target/linux/ar71xx/patches-4.1/813-MIPS-ath79-add-ap147-support.patch
+++ b/target/linux/ar71xx/patches-4.1/813-MIPS-ath79-add-ap147-support.patch
@@ -1,6 +1,6 @@
 --- a/arch/mips/ath79/Kconfig
 +++ b/arch/mips/ath79/Kconfig
-@@ -118,6 +118,19 @@ config ATH79_MACH_AP143
+@@ -138,6 +138,19 @@ config ATH79_MACH_AP143
  	  Say 'Y' here if you want your kernel to support the
  	  Atheros AP143 reference board.
  
@@ -22,7 +22,7 @@
  	select SOC_AR913X
 --- a/arch/mips/ath79/Makefile
 +++ b/arch/mips/ath79/Makefile
-@@ -47,6 +47,7 @@ obj-$(CONFIG_ATH79_MACH_AP121)		+= mach-
+@@ -49,6 +49,7 @@ obj-$(CONFIG_ATH79_MACH_AP121)		+= mach-
  obj-$(CONFIG_ATH79_MACH_AP132)		+= mach-ap132.o
  obj-$(CONFIG_ATH79_MACH_AP136)		+= mach-ap136.o
  obj-$(CONFIG_ATH79_MACH_AP143)		+= mach-ap143.o
@@ -32,7 +32,7 @@
  obj-$(CONFIG_ATH79_MACH_AP96)		+= mach-ap96.o
 --- a/arch/mips/ath79/machtypes.h
 +++ b/arch/mips/ath79/machtypes.h
-@@ -29,6 +29,7 @@ enum ath79_mach_type {
+@@ -31,6 +31,7 @@ enum ath79_mach_type {
  	ATH79_MACH_AP136_010,		/* Atheros AP136-010 reference board */
  	ATH79_MACH_AP136_020,		/* Atheros AP136-020 reference board */
  	ATH79_MACH_AP143,		/* Atheros AP143 reference board */
diff --git a/target/linux/brcm2708/patches-4.1/0004-Add-dwc_otg-driver.patch b/target/linux/brcm2708/patches-4.1/0004-Add-dwc_otg-driver.patch
index 378d33b945..8af34f2239 100644
--- a/target/linux/brcm2708/patches-4.1/0004-Add-dwc_otg-driver.patch
+++ b/target/linux/brcm2708/patches-4.1/0004-Add-dwc_otg-driver.patch
@@ -894,7 +894,7 @@ dwc_otg: Fix crash when fiq_enable=0
  }
 --- a/drivers/usb/core/hub.c
 +++ b/drivers/usb/core/hub.c
-@@ -4922,7 +4922,7 @@ static void port_event(struct usb_hub *h
+@@ -4906,7 +4906,7 @@ static void port_event(struct usb_hub *h
  	if (portchange & USB_PORT_STAT_C_OVERCURRENT) {
  		u16 status = 0, unused;
  
diff --git a/target/linux/brcm2708/patches-4.1/0066-Add-blk_pos-parameter-to-mmc-multi_io_quirk-callback.patch b/target/linux/brcm2708/patches-4.1/0066-Add-blk_pos-parameter-to-mmc-multi_io_quirk-callback.patch
index 6d6aa92c55..8ac90ce4bb 100644
--- a/target/linux/brcm2708/patches-4.1/0066-Add-blk_pos-parameter-to-mmc-multi_io_quirk-callback.patch
+++ b/target/linux/brcm2708/patches-4.1/0066-Add-blk_pos-parameter-to-mmc-multi_io_quirk-callback.patch
@@ -13,7 +13,7 @@ Subject: [PATCH 066/121] Add blk_pos parameter to mmc multi_io_quirk callback
 
 --- a/drivers/mmc/card/block.c
 +++ b/drivers/mmc/card/block.c
-@@ -1413,6 +1413,7 @@ static void mmc_blk_rw_rq_prep(struct mm
+@@ -1415,6 +1415,7 @@ static void mmc_blk_rw_rq_prep(struct mm
  			brq->data.blocks = card->host->ops->multi_io_quirk(card,
  						(rq_data_dir(req) == READ) ?
  						MMC_DATA_READ : MMC_DATA_WRITE,
diff --git a/target/linux/brcm2708/patches-4.1/0119-Merge-pull-request-1059-from-pelwell-rpi-4.0.y.patch b/target/linux/brcm2708/patches-4.1/0119-Merge-pull-request-1059-from-pelwell-rpi-4.0.y.patch
index 6280f75a48..ddb70dfa0e 100644
--- a/target/linux/brcm2708/patches-4.1/0119-Merge-pull-request-1059-from-pelwell-rpi-4.0.y.patch
+++ b/target/linux/brcm2708/patches-4.1/0119-Merge-pull-request-1059-from-pelwell-rpi-4.0.y.patch
@@ -51,41 +51,7 @@ w1_therm: Back-port locking improvements from 4.2-rc1
 +representing the device index in the bus starting at 0.
 --- a/drivers/w1/slaves/w1_therm.c
 +++ b/drivers/w1/slaves/w1_therm.c
-@@ -59,16 +59,32 @@ MODULE_ALIAS("w1-family-" __stringify(W1
- static int w1_strong_pullup = 1;
- module_param_named(strong_pullup, w1_strong_pullup, int, 0);
- 
-+struct w1_therm_family_data {
-+	uint8_t rom[9];
-+	atomic_t refcnt;
-+};
-+
-+/* return the address of the refcnt in the family data */
-+#define THERM_REFCNT(family_data) \
-+	(&((struct w1_therm_family_data*)family_data)->refcnt)
-+
- static int w1_therm_add_slave(struct w1_slave *sl)
- {
--	sl->family_data = kzalloc(9, GFP_KERNEL);
-+	sl->family_data = kzalloc(sizeof(struct w1_therm_family_data),
-+		GFP_KERNEL);
- 	if (!sl->family_data)
- 		return -ENOMEM;
-+	atomic_set(THERM_REFCNT(sl->family_data), 1);
- 	return 0;
- }
- 
- static void w1_therm_remove_slave(struct w1_slave *sl)
- {
-+	int refcnt = atomic_sub_return(1, THERM_REFCNT(sl->family_data));
-+	while(refcnt) {
-+		msleep(1000);
-+		refcnt = atomic_read(THERM_REFCNT(sl->family_data));
-+	}
- 	kfree(sl->family_data);
- 	sl->family_data = NULL;
- }
-@@ -76,13 +92,24 @@ static void w1_therm_remove_slave(struct
+@@ -92,13 +92,24 @@ static void w1_therm_remove_slave(struct
  static ssize_t w1_slave_show(struct device *device,
  	struct device_attribute *attr, char *buf);
  
@@ -110,7 +76,7 @@ w1_therm: Back-port locking improvements from 4.2-rc1
  
  static struct w1_family_ops w1_therm_fops = {
  	.add_slave	= w1_therm_add_slave,
-@@ -90,6 +117,12 @@ static struct w1_family_ops w1_therm_fop
+@@ -106,6 +117,12 @@ static struct w1_family_ops w1_therm_fop
  	.groups		= w1_therm_groups,
  };
  
@@ -123,7 +89,7 @@ w1_therm: Back-port locking improvements from 4.2-rc1
  static struct w1_family w1_therm_family_DS18S20 = {
  	.fid = W1_THERM_DS18S20,
  	.fops = &w1_therm_fops,
-@@ -107,7 +140,7 @@ static struct w1_family w1_therm_family_
+@@ -123,7 +140,7 @@ static struct w1_family w1_therm_family_
  
  static struct w1_family w1_therm_family_DS28EA00 = {
  	.fid = W1_THERM_DS28EA00,
@@ -132,86 +98,10 @@ w1_therm: Back-port locking improvements from 4.2-rc1
  };
  
  static struct w1_family w1_therm_family_DS1825 = {
-@@ -194,13 +227,22 @@ static ssize_t w1_slave_show(struct devi
- 	struct w1_slave *sl = dev_to_w1_slave(device);
- 	struct w1_master *dev = sl->master;
- 	u8 rom[9], crc, verdict, external_power;
--	int i, max_trying = 10;
-+	int i, ret, max_trying = 10;
- 	ssize_t c = PAGE_SIZE;
-+	u8 *family_data = sl->family_data;
- 
--	i = mutex_lock_interruptible(&dev->bus_mutex);
--	if (i != 0)
--		return i;
-+	ret = mutex_lock_interruptible(&dev->bus_mutex);
-+	if (ret != 0)
-+		goto post_unlock;
-+
-+	if(!sl->family_data)
-+	{
-+		ret = -ENODEV;
-+		goto pre_unlock;
-+	}
- 
-+	/* prevent the slave from going away in sleep */
-+	atomic_inc(THERM_REFCNT(family_data));
- 	memset(rom, 0, sizeof(rom));
- 
- 	while (max_trying--) {
-@@ -230,17 +272,19 @@ static ssize_t w1_slave_show(struct devi
- 				mutex_unlock(&dev->bus_mutex);
- 
- 				sleep_rem = msleep_interruptible(tm);
--				if (sleep_rem != 0)
--					return -EINTR;
-+				if (sleep_rem != 0) {
-+					ret = -EINTR;
-+					goto post_unlock;
-+				}
- 
--				i = mutex_lock_interruptible(&dev->bus_mutex);
--				if (i != 0)
--					return i;
-+				ret = mutex_lock_interruptible(&dev->bus_mutex);
-+				if (ret != 0)
-+					goto post_unlock;
- 			} else if (!w1_strong_pullup) {
- 				sleep_rem = msleep_interruptible(tm);
- 				if (sleep_rem != 0) {
--					mutex_unlock(&dev->bus_mutex);
--					return -EINTR;
-+					ret = -EINTR;
-+					goto pre_unlock;
- 				}
- 			}
- 
-@@ -269,19 +313,107 @@ static ssize_t w1_slave_show(struct devi
- 	c -= snprintf(buf + PAGE_SIZE - c, c, ": crc=%02x %s\n",
- 			   crc, (verdict) ? "YES" : "NO");
- 	if (verdict)
--		memcpy(sl->family_data, rom, sizeof(rom));
-+		memcpy(family_data, rom, sizeof(rom));
- 	else
- 		dev_warn(device, "Read failed CRC check\n");
- 
- 	for (i = 0; i < 9; ++i)
- 		c -= snprintf(buf + PAGE_SIZE - c, c, "%02x ",
--			      ((u8 *)sl->family_data)[i]);
-+			      ((u8 *)family_data)[i]);
- 
- 	c -= snprintf(buf + PAGE_SIZE - c, c, "t=%d\n",
- 		w1_convert_temp(rom, sl->family->fid));
-+	ret = PAGE_SIZE - c;
-+
-+pre_unlock:
- 	mutex_unlock(&dev->bus_mutex);
+@@ -316,6 +333,89 @@ post_unlock:
+ 	return ret;
+ }
  
-+post_unlock:
-+	atomic_dec(THERM_REFCNT(family_data));
-+	return ret;
-+}
-+
 +#define W1_42_CHAIN	0x99
 +#define W1_42_CHAIN_OFF	0x3C
 +#define W1_42_CHAIN_OFF_INV	0xC3
@@ -289,10 +179,12 @@ w1_therm: Back-port locking improvements from 4.2-rc1
 +	mutex_unlock(&sl->master->bus_mutex);
 +
 +	c -= snprintf(buf + PAGE_SIZE - c, c, "%d\n", seq);
- 	return PAGE_SIZE - c;
++	return PAGE_SIZE - c;
 +error:
 +	mutex_unlock(&sl->master->bus_mutex);
 +	return -EIO;
- }
- 
++}
++
  static int __init w1_therm_init(void)
+ {
+ 	int err, i;
diff --git a/target/linux/generic/patches-4.1/140-overlayfs_readdir_locking_fix.patch b/target/linux/generic/patches-4.1/140-overlayfs_readdir_locking_fix.patch
deleted file mode 100644
index 67dff987d3..0000000000
--- a/target/linux/generic/patches-4.1/140-overlayfs_readdir_locking_fix.patch
+++ /dev/null
@@ -1,148 +0,0 @@
-Patch by: Miklos Szeredi <miklos@szeredi.hu>
-
-Some filesystems (e.g. jffs2) lock the same resources for both readdir
-and lookup, leading to a deadlock in ovl_cache_entry_new, which is called
-from the filldir, and calls lookup itself.
-
---- a/fs/overlayfs/readdir.c
-+++ b/fs/overlayfs/readdir.c
-@@ -23,6 +23,7 @@ struct ovl_cache_entry {
- 	u64 ino;
- 	struct list_head l_node;
- 	struct rb_node node;
-+	struct ovl_cache_entry *next_maybe_whiteout;
- 	bool is_whiteout;
- 	char name[];
- };
-@@ -39,7 +40,7 @@ struct ovl_readdir_data {
- 	struct rb_root root;
- 	struct list_head *list;
- 	struct list_head middle;
--	struct dentry *dir;
-+	struct ovl_cache_entry *first_maybe_whiteout;
- 	int count;
- 	int err;
- };
-@@ -79,7 +80,7 @@ static struct ovl_cache_entry *ovl_cache
- 	return NULL;
- }
- 
--static struct ovl_cache_entry *ovl_cache_entry_new(struct dentry *dir,
-+static struct ovl_cache_entry *ovl_cache_entry_new(struct ovl_readdir_data *rdd,
- 						   const char *name, int len,
- 						   u64 ino, unsigned int d_type)
- {
-@@ -98,29 +99,8 @@ static struct ovl_cache_entry *ovl_cache
- 	p->is_whiteout = false;
- 
- 	if (d_type == DT_CHR) {
--		struct dentry *dentry;
--		const struct cred *old_cred;
--		struct cred *override_cred;
--
--		override_cred = prepare_creds();
--		if (!override_cred) {
--			kfree(p);
--			return NULL;
--		}
--
--		/*
--		 * CAP_DAC_OVERRIDE for lookup
--		 */
--		cap_raise(override_cred->cap_effective, CAP_DAC_OVERRIDE);
--		old_cred = override_creds(override_cred);
--
--		dentry = lookup_one_len(name, dir, len);
--		if (!IS_ERR(dentry)) {
--			p->is_whiteout = ovl_is_whiteout(dentry);
--			dput(dentry);
--		}
--		revert_creds(old_cred);
--		put_cred(override_cred);
-+		p->next_maybe_whiteout = rdd->first_maybe_whiteout;
-+		rdd->first_maybe_whiteout = p;
- 	}
- 	return p;
- }
-@@ -148,7 +128,7 @@ static int ovl_cache_entry_add_rb(struct
- 			return 0;
- 	}
- 
--	p = ovl_cache_entry_new(rdd->dir, name, len, ino, d_type);
-+	p = ovl_cache_entry_new(rdd, name, len, ino, d_type);
- 	if (p == NULL)
- 		return -ENOMEM;
- 
-@@ -169,7 +149,7 @@ static int ovl_fill_lower(struct ovl_rea
- 	if (p) {
- 		list_move_tail(&p->l_node, &rdd->middle);
- 	} else {
--		p = ovl_cache_entry_new(rdd->dir, name, namelen, ino, d_type);
-+		p = ovl_cache_entry_new(rdd, name, namelen, ino, d_type);
- 		if (p == NULL)
- 			rdd->err = -ENOMEM;
- 		else
-@@ -219,6 +199,43 @@ static int ovl_fill_merge(struct dir_con
- 		return ovl_fill_lower(rdd, name, namelen, offset, ino, d_type);
- }
- 
-+static int ovl_check_whiteouts(struct dentry *dir, struct ovl_readdir_data *rdd)
-+{
-+	int err = 0;
-+
-+	mutex_lock(&dir->d_inode->i_mutex);
-+	while (rdd->first_maybe_whiteout) {
-+		struct dentry *dentry;
-+		const struct cred *old_cred;
-+		struct cred *override_cred;
-+		struct ovl_cache_entry *p = rdd->first_maybe_whiteout;
-+
-+		rdd->first_maybe_whiteout = p->next_maybe_whiteout;
-+
-+		override_cred = prepare_creds();
-+		if (!override_cred) {
-+			err = -ENOMEM;
-+			break;
-+		}
-+		/*
-+		 * CAP_DAC_OVERRIDE for lookup
-+		 */
-+		cap_raise(override_cred->cap_effective, CAP_DAC_OVERRIDE);
-+		old_cred = override_creds(override_cred);
-+
-+		dentry = lookup_one_len(p->name, dir, p->len);
-+		if (!IS_ERR(dentry)) {
-+			p->is_whiteout = ovl_is_whiteout(dentry);
-+			dput(dentry);
-+		}
-+		revert_creds(old_cred);
-+		put_cred(override_cred);
-+	}
-+	mutex_unlock(&dir->d_inode->i_mutex);
-+
-+	return err;
-+}
-+
- static inline int ovl_dir_read(struct path *realpath,
- 			       struct ovl_readdir_data *rdd)
- {
-@@ -229,7 +246,7 @@ static inline int ovl_dir_read(struct pa
- 	if (IS_ERR(realfile))
- 		return PTR_ERR(realfile);
- 
--	rdd->dir = realpath->dentry;
-+	rdd->first_maybe_whiteout = NULL;
- 	rdd->ctx.pos = 0;
- 	do {
- 		rdd->count = 0;
-@@ -238,6 +255,10 @@ static inline int ovl_dir_read(struct pa
- 		if (err >= 0)
- 			err = rdd->err;
- 	} while (!err && rdd->count);
-+
-+	if (!err && rdd->first_maybe_whiteout)
-+		err = ovl_check_whiteouts(realpath->dentry, rdd);
-+
- 	fput(realfile);
- 
- 	return err;
diff --git a/target/linux/generic/patches-4.1/834-ledtrig-libata.patch b/target/linux/generic/patches-4.1/834-ledtrig-libata.patch
index 2a0fb073f0..b794c46663 100644
--- a/target/linux/generic/patches-4.1/834-ledtrig-libata.patch
+++ b/target/linux/generic/patches-4.1/834-ledtrig-libata.patch
@@ -69,7 +69,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
  /**
   *	ata_build_rw_tf - Build ATA taskfile for given read/write request
   *	@tf: Target ATA taskfile
-@@ -4774,6 +4787,9 @@ struct ata_queued_cmd *ata_qc_new_init(s
+@@ -4789,6 +4802,9 @@ struct ata_queued_cmd *ata_qc_new_init(s
  		if (tag < 0)
  			return NULL;
  	}
@@ -79,7 +79,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
  
  	qc = __ata_qc_from_tag(ap, tag);
  	qc->tag = tag;
-@@ -5671,6 +5687,9 @@ struct ata_port *ata_port_alloc(struct a
+@@ -5686,6 +5702,9 @@ struct ata_port *ata_port_alloc(struct a
  	ap->stats.unhandled_irq = 1;
  	ap->stats.idle_irq = 1;
  #endif
@@ -89,7 +89,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
  	ata_sff_port_init(ap);
  
  	return ap;
-@@ -5692,6 +5711,12 @@ static void ata_host_release(struct devi
+@@ -5707,6 +5726,12 @@ static void ata_host_release(struct devi
  
  		kfree(ap->pmp_link);
  		kfree(ap->slave_link);
@@ -102,7 +102,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
  		kfree(ap);
  		host->ports[i] = NULL;
  	}
-@@ -6138,7 +6163,23 @@ int ata_host_register(struct ata_host *h
+@@ -6153,7 +6178,23 @@ int ata_host_register(struct ata_host *h
  		host->ports[i]->print_id = atomic_inc_return(&ata_print_id);
  		host->ports[i]->local_port_no = i + 1;
  	}
@@ -138,7 +138,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
  
  /*
   * Define if arch has non-standard setup.  This is a _PCI_ standard
-@@ -873,6 +876,12 @@ struct ata_port {
+@@ -876,6 +879,12 @@ struct ata_port {
  #ifdef CONFIG_ATA_ACPI
  	struct ata_acpi_gtm	__acpi_init_gtm; /* use ata_acpi_init_gtm() */
  #endif
diff --git a/target/linux/ipq806x/patches-4.1/135-clk-Avoid-sending-high-rates-to-downstream-clocks-during-set_rate.patch b/target/linux/ipq806x/patches-4.1/135-clk-Avoid-sending-high-rates-to-downstream-clocks-during-set_rate.patch
index 8063860985..143e0795f0 100644
--- a/target/linux/ipq806x/patches-4.1/135-clk-Avoid-sending-high-rates-to-downstream-clocks-during-set_rate.patch
+++ b/target/linux/ipq806x/patches-4.1/135-clk-Avoid-sending-high-rates-to-downstream-clocks-during-set_rate.patch
@@ -47,7 +47,7 @@ drivers/clk/clk.c | 34 ++++++++++++++++++++++------------
 
 --- a/drivers/clk/clk.c
 +++ b/drivers/clk/clk.c
-@@ -1743,21 +1743,24 @@ static struct clk_core *clk_propagate_ra
+@@ -1744,21 +1744,24 @@ static struct clk_core *clk_propagate_ra
   * walk down a subtree and set the new rates notifying the rate
   * change on the way
   */
@@ -79,7 +79,7 @@ drivers/clk/clk.c | 34 ++++++++++++++++++++++------------
  
  	if (clk->new_parent && clk->new_parent != clk->parent) {
  		old_parent = __clk_set_parent_before(clk, clk->new_parent);
-@@ -1783,7 +1786,7 @@ static void clk_change_rate(struct clk_c
+@@ -1784,7 +1787,7 @@ static void clk_change_rate(struct clk_c
  
  	trace_clk_set_rate_complete(clk, clk->new_rate);
  
@@ -88,7 +88,7 @@ drivers/clk/clk.c | 34 ++++++++++++++++++++++------------
  
  	if (clk->notifier_count && old_rate != clk->rate)
  		__clk_notify(clk, POST_RATE_CHANGE, old_rate, clk->rate);
-@@ -1796,12 +1799,13 @@ static void clk_change_rate(struct clk_c
+@@ -1797,12 +1800,13 @@ static void clk_change_rate(struct clk_c
  		/* Skip children who will be reparented to another clock */
  		if (child->new_parent && child->new_parent != clk)
  			continue;
@@ -105,7 +105,7 @@ drivers/clk/clk.c | 34 ++++++++++++++++++++++------------
  }
  
  static int clk_core_set_rate_nolock(struct clk_core *clk,
-@@ -1810,6 +1814,7 @@ static int clk_core_set_rate_nolock(stru
+@@ -1811,6 +1815,7 @@ static int clk_core_set_rate_nolock(stru
  	struct clk_core *top, *fail_clk;
  	unsigned long rate = req_rate;
  	int ret = 0;
@@ -113,7 +113,7 @@ drivers/clk/clk.c | 34 ++++++++++++++++++++++------------
  
  	if (!clk)
  		return 0;
-@@ -1835,8 +1840,13 @@ static int clk_core_set_rate_nolock(stru
+@@ -1836,8 +1841,13 @@ static int clk_core_set_rate_nolock(stru
  		return -EBUSY;
  	}
  
diff --git a/target/linux/ipq806x/patches-4.1/136-clk-Add-safe-switch-hook.patch b/target/linux/ipq806x/patches-4.1/136-clk-Add-safe-switch-hook.patch
index 0cf4eb331e..b0d89a9681 100644
--- a/target/linux/ipq806x/patches-4.1/136-clk-Add-safe-switch-hook.patch
+++ b/target/linux/ipq806x/patches-4.1/136-clk-Add-safe-switch-hook.patch
@@ -47,7 +47,7 @@ handles that problem on Krait, but on other platforms it won't work.
  	struct clk_core		*new_parent;
  	struct clk_core		*new_child;
  	unsigned long		flags;
-@@ -1595,7 +1598,8 @@ out:
+@@ -1596,7 +1599,8 @@ out:
  static void clk_calc_subtree(struct clk_core *clk, unsigned long new_rate,
  			     struct clk_core *new_parent, u8 p_index)
  {
@@ -57,7 +57,7 @@ handles that problem on Krait, but on other platforms it won't work.
  
  	clk->new_rate = new_rate;
  	clk->new_parent = new_parent;
-@@ -1605,6 +1609,18 @@ static void clk_calc_subtree(struct clk_
+@@ -1606,6 +1610,18 @@ static void clk_calc_subtree(struct clk_
  	if (new_parent && new_parent != clk->parent)
  		new_parent->new_child = clk;
  
@@ -76,7 +76,7 @@ handles that problem on Krait, but on other platforms it won't work.
  	hlist_for_each_entry(child, &clk->children, child_node) {
  		child->new_rate = clk_recalc(child, new_rate);
  		clk_calc_subtree(child, child->new_rate, NULL, 0);
-@@ -1709,14 +1725,43 @@ static struct clk_core *clk_propagate_ra
+@@ -1710,14 +1726,43 @@ static struct clk_core *clk_propagate_ra
  						  unsigned long event)
  {
  	struct clk_core *child, *tmp_clk, *fail_clk = NULL;
@@ -123,7 +123,7 @@ handles that problem on Krait, but on other platforms it won't work.
  			fail_clk = clk;
  	}
  
-@@ -1762,7 +1807,8 @@ clk_change_rate(struct clk_core *clk, un
+@@ -1763,7 +1808,8 @@ clk_change_rate(struct clk_core *clk, un
  
  	old_rate = clk->rate;
  
@@ -133,7 +133,7 @@ handles that problem on Krait, but on other platforms it won't work.
  		old_parent = __clk_set_parent_before(clk, clk->new_parent);
  		trace_clk_set_parent(clk, clk->new_parent);
  
-@@ -1788,9 +1834,6 @@ clk_change_rate(struct clk_core *clk, un
+@@ -1789,9 +1835,6 @@ clk_change_rate(struct clk_core *clk, un
  
  	clk->rate = clk->new_rate;
  
@@ -143,7 +143,7 @@ handles that problem on Krait, but on other platforms it won't work.
  	/*
  	 * Use safe iteration, as change_rate can actually swap parents
  	 * for certain clock types.
-@@ -1850,6 +1893,8 @@ static int clk_core_set_rate_nolock(stru
+@@ -1851,6 +1894,8 @@ static int clk_core_set_rate_nolock(stru
  
  	clk->req_rate = req_rate;
  
diff --git a/target/linux/lantiq/patches-4.1/0030-GPIO-add-named-gpio-exports.patch b/target/linux/lantiq/patches-4.1/0030-GPIO-add-named-gpio-exports.patch
index a72a6dad68..6badfe30fa 100644
--- a/target/linux/lantiq/patches-4.1/0030-GPIO-add-named-gpio-exports.patch
+++ b/target/linux/lantiq/patches-4.1/0030-GPIO-add-named-gpio-exports.patch
@@ -109,7 +109,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
  {
 --- a/include/linux/gpio/consumer.h
 +++ b/include/linux/gpio/consumer.h
-@@ -446,6 +446,7 @@ static inline int desc_to_gpio(const str
+@@ -461,6 +461,7 @@ static inline struct gpio_desc *devm_get
  
  #if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_GPIO_SYSFS)
  
@@ -117,7 +117,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
  int gpiod_export(struct gpio_desc *desc, bool direction_may_change);
  int gpiod_export_link(struct device *dev, const char *name,
  		      struct gpio_desc *desc);
-@@ -454,6 +455,13 @@ void gpiod_unexport(struct gpio_desc *de
+@@ -469,6 +470,13 @@ void gpiod_unexport(struct gpio_desc *de
  
  #else  /* CONFIG_GPIOLIB && CONFIG_GPIO_SYSFS */
  
diff --git a/target/linux/lantiq/patches-4.1/0032-USB-fix-roothub-for-IFXHCD.patch b/target/linux/lantiq/patches-4.1/0032-USB-fix-roothub-for-IFXHCD.patch
index c32e2bb597..79c811705e 100644
--- a/target/linux/lantiq/patches-4.1/0032-USB-fix-roothub-for-IFXHCD.patch
+++ b/target/linux/lantiq/patches-4.1/0032-USB-fix-roothub-for-IFXHCD.patch
@@ -20,7 +20,7 @@ Subject: [PATCH 32/36] USB: fix roothub for IFXHCD
  choice
 --- a/drivers/usb/core/hub.c
 +++ b/drivers/usb/core/hub.c
-@@ -4314,7 +4314,7 @@ hub_port_init (struct usb_hub *hub, stru
+@@ -4298,7 +4298,7 @@ hub_port_init (struct usb_hub *hub, stru
  		udev->ttport = hdev->ttport;
  	} else if (udev->speed != USB_SPEED_HIGH
  			&& hdev->speed == USB_SPEED_HIGH) {
diff --git a/target/linux/mxs/patches-4.1/100-mxs-select-syscon.patch b/target/linux/mxs/patches-4.1/100-mxs-select-syscon.patch
index 96173c12fb..81ebec4774 100644
--- a/target/linux/mxs/patches-4.1/100-mxs-select-syscon.patch
+++ b/target/linux/mxs/patches-4.1/100-mxs-select-syscon.patch
@@ -1,5 +1,3 @@
-diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
-index 8479413..bf04d38 100644
 --- a/arch/arm/mach-mxs/Kconfig
 +++ b/arch/arm/mach-mxs/Kconfig
 @@ -17,6 +17,7 @@ config ARCH_MXS
diff --git a/target/linux/mxs/patches-4.1/101-mxs-add-mxs_power.patch b/target/linux/mxs/patches-4.1/101-mxs-add-mxs_power.patch
index 8c087dcb98..104736c7c0 100644
--- a/target/linux/mxs/patches-4.1/101-mxs-add-mxs_power.patch
+++ b/target/linux/mxs/patches-4.1/101-mxs-add-mxs_power.patch
@@ -1,5 +1,3 @@
-diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
-index 4091fb0..0fcc158 100644
 --- a/drivers/power/Kconfig
 +++ b/drivers/power/Kconfig
 @@ -43,6 +43,14 @@ config MAX8925_POWER
@@ -17,11 +15,9 @@ index 4091fb0..0fcc158 100644
  config WM831X_BACKUP
  	tristate "WM831X backup battery charger support"
  	depends on MFD_WM831X
-diff --git a/drivers/power/Makefile b/drivers/power/Makefile
-index b7b0181..8edcad7 100644
 --- a/drivers/power/Makefile
 +++ b/drivers/power/Makefile
-@@ -10,6 +10,7 @@ obj-$(CONFIG_GENERIC_ADC_BATTERY)	+= generic-adc-battery.o
+@@ -10,6 +10,7 @@ obj-$(CONFIG_GENERIC_ADC_BATTERY)	+= gen
  obj-$(CONFIG_PDA_POWER)		+= pda_power.o
  obj-$(CONFIG_APM_POWER)		+= apm_power.o
  obj-$(CONFIG_MAX8925_POWER)	+= max8925_power.o
@@ -29,9 +25,6 @@ index b7b0181..8edcad7 100644
  obj-$(CONFIG_WM831X_BACKUP)	+= wm831x_backup.o
  obj-$(CONFIG_WM831X_POWER)	+= wm831x_power.o
  obj-$(CONFIG_WM8350_POWER)	+= wm8350_power.o
-diff --git a/drivers/power/mxs_power.c b/drivers/power/mxs_power.c
-new file mode 100644
-index 0000000..669bfb1
 --- /dev/null
 +++ b/drivers/power/mxs_power.c
 @@ -0,0 +1,136 @@
diff --git a/target/linux/mxs/patches-4.1/102-mxs-add-regulator-driver.patch b/target/linux/mxs/patches-4.1/102-mxs-add-regulator-driver.patch
index 7ca14f114c..4690b3c6d4 100644
--- a/target/linux/mxs/patches-4.1/102-mxs-add-regulator-driver.patch
+++ b/target/linux/mxs/patches-4.1/102-mxs-add-regulator-driver.patch
@@ -1,5 +1,3 @@
-diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
-index a6f116a..7b525f5 100644
 --- a/drivers/regulator/Kconfig
 +++ b/drivers/regulator/Kconfig
 @@ -450,6 +450,14 @@ config REGULATOR_MT6397
@@ -17,11 +15,9 @@ index a6f116a..7b525f5 100644
  config REGULATOR_PALMAS
  	tristate "TI Palmas PMIC Regulators"
  	depends on MFD_PALMAS
-diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
-index 2c4da15..a3ebf23 100644
 --- a/drivers/regulator/Makefile
 +++ b/drivers/regulator/Makefile
-@@ -60,6 +60,7 @@ obj-$(CONFIG_REGULATOR_MC13783) += mc13783-regulator.o
+@@ -60,6 +60,7 @@ obj-$(CONFIG_REGULATOR_MC13783) += mc137
  obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o
  obj-$(CONFIG_REGULATOR_MC13XXX_CORE) +=  mc13xxx-regulator-core.o
  obj-$(CONFIG_REGULATOR_MT6397)	+= mt6397-regulator.o
@@ -29,9 +25,6 @@ index 2c4da15..a3ebf23 100644
  obj-$(CONFIG_REGULATOR_QCOM_RPM) += qcom_rpm-regulator.o
  obj-$(CONFIG_REGULATOR_PALMAS) += palmas-regulator.o
  obj-$(CONFIG_REGULATOR_PFUZE100) += pfuze100-regulator.o
-diff --git a/drivers/regulator/mxs-regulator.c b/drivers/regulator/mxs-regulator.c
-new file mode 100644
-index 0000000..e53707b
 --- /dev/null
 +++ b/drivers/regulator/mxs-regulator.c
 @@ -0,0 +1,540 @@
diff --git a/target/linux/mxs/patches-4.1/103-dt-enable-regulator.patch b/target/linux/mxs/patches-4.1/103-dt-enable-regulator.patch
index 3fed18257d..bfcf247f85 100644
--- a/target/linux/mxs/patches-4.1/103-dt-enable-regulator.patch
+++ b/target/linux/mxs/patches-4.1/103-dt-enable-regulator.patch
@@ -1,5 +1,3 @@
-diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi
-index bbcfb5a..efdd702 100644
 --- a/arch/arm/boot/dts/imx23.dtsi
 +++ b/arch/arm/boot/dts/imx23.dtsi
 @@ -404,8 +404,46 @@
@@ -50,8 +48,6 @@ index bbcfb5a..efdd702 100644
  			};
  
  			saif1: saif@80046000 {
-diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi
-index 25e25f8..378b1f2 100644
 --- a/arch/arm/boot/dts/imx28.dtsi
 +++ b/arch/arm/boot/dts/imx28.dtsi
 @@ -1035,8 +1035,46 @@
diff --git a/target/linux/mxs/patches-4.1/120-dt-add-i2c.patch b/target/linux/mxs/patches-4.1/120-dt-add-i2c.patch
index 2aa7250584..79c162aece 100644
--- a/target/linux/mxs/patches-4.1/120-dt-add-i2c.patch
+++ b/target/linux/mxs/patches-4.1/120-dt-add-i2c.patch
@@ -1,6 +1,6 @@
 --- a/arch/arm/boot/dts/imx23.dtsi
 +++ b/arch/arm/boot/dts/imx23.dtsi
-@@ -146,6 +146,39 @@
+@@ -147,6 +147,39 @@
  					fsl,pull-up = <MXS_PULL_DISABLE>;
  				};
  
@@ -40,7 +40,7 @@
  				auart0_pins_a: auart0@0 {
  					reg = <0>;
  					fsl,pinmux-ids = <
-@@ -444,7 +477,12 @@
+@@ -484,7 +517,12 @@
  			};
  
  			i2c@80058000 {