CC: kernel: update 3.18 to 3.18.21

Changelog:
 * https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.21

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/branches/chaos_calmer@46847 3c298f89-4303-0410-b956-a3cf2f4a3e73

17 files changed, 38 insertions, 44 deletions

diff --git a/include/kernel-version.mk b/include/kernel-version.mk
index 243be330b5..184a614497 100644
--- a/include/kernel-version.mk
+++ b/include/kernel-version.mk
@@ -2,9 +2,9 @@
 
 LINUX_RELEASE?=1
 
-LINUX_VERSION-3.18 = .20
+LINUX_VERSION-3.18 = .21
 
-LINUX_KERNEL_MD5SUM-3.18.20 = 952c9159acdf4efbc96e08a27109d994
+LINUX_KERNEL_MD5SUM-3.18.21 = e4248caaa4cef318c04657e971b37298
 
 ifdef KERNEL_PATCHVER
   LINUX_VERSION:=$(KERNEL_PATCHVER)$(strip $(LINUX_VERSION-$(KERNEL_PATCHVER)))
diff --git a/target/linux/ar71xx/patches-3.18/902-unaligned_access_hacks.patch b/target/linux/ar71xx/patches-3.18/902-unaligned_access_hacks.patch
index 6b6c0f2d3f..21fdd67ae3 100644
--- a/target/linux/ar71xx/patches-3.18/902-unaligned_access_hacks.patch
+++ b/target/linux/ar71xx/patches-3.18/902-unaligned_access_hacks.patch
@@ -822,7 +822,7 @@
  				       | TCPOLEN_TIMESTAMP))
 --- a/net/xfrm/xfrm_input.c
 +++ b/net/xfrm/xfrm_input.c
-@@ -152,8 +152,8 @@ int xfrm_parse_spi(struct sk_buff *skb,
+@@ -154,8 +154,8 @@ int xfrm_parse_spi(struct sk_buff *skb,
  	if (!pskb_may_pull(skb, hlen))
  		return -EINVAL;
  
diff --git a/target/linux/ar71xx/patches-3.18/906-MIPS-ath79-add-blackswift.patch b/target/linux/ar71xx/patches-3.18/906-MIPS-ath79-add-blackswift.patch
index 15196bba98..3b5aa54f41 100644
--- a/target/linux/ar71xx/patches-3.18/906-MIPS-ath79-add-blackswift.patch
+++ b/target/linux/ar71xx/patches-3.18/906-MIPS-ath79-add-blackswift.patch
@@ -1,8 +1,6 @@
-Index: linux-3.18.19/arch/mips/ath79/Kconfig
-===================================================================
---- linux-3.18.19.orig/arch/mips/ath79/Kconfig	2015-08-10 17:08:03.191320098 +0100
-+++ linux-3.18.19/arch/mips/ath79/Kconfig	2015-08-10 17:08:03.195320098 +0100
-@@ -866,6 +866,16 @@
+--- a/arch/mips/ath79/Kconfig
++++ b/arch/mips/ath79/Kconfig
+@@ -866,6 +866,16 @@ config ATH79_MACH_EAP7660D
  	select ATH79_DEV_LEDS_GPIO
  	select ATH79_DEV_M25P80
  
@@ -19,11 +17,9 @@ Index: linux-3.18.19/arch/mips/ath79/Kconfig
  config ATH79_MACH_ARCHER_C7
  	bool "TP-LINK Archer C5/C7/TL-WDR4900 v2 board support"
  	select SOC_QCA955X
-Index: linux-3.18.19/arch/mips/ath79/Makefile
-===================================================================
---- linux-3.18.19.orig/arch/mips/ath79/Makefile	2015-08-10 17:08:03.191320098 +0100
-+++ linux-3.18.19/arch/mips/ath79/Makefile	2015-08-10 17:08:03.195320098 +0100
-@@ -54,6 +54,7 @@
+--- a/arch/mips/ath79/Makefile
++++ b/arch/mips/ath79/Makefile
+@@ -54,6 +54,7 @@ obj-$(CONFIG_ATH79_MACH_AP96)		+= mach-a
  obj-$(CONFIG_ATH79_MACH_ARCHER_C7)	+= mach-archer-c7.o
  obj-$(CONFIG_ATH79_MACH_AW_NR580)	+= mach-aw-nr580.o
  obj-$(CONFIG_ATH79_MACH_BHU_BXU2000N2_A)+= mach-bhu-bxu2000n2-a.o
@@ -31,11 +27,9 @@ Index: linux-3.18.19/arch/mips/ath79/Makefile
  obj-$(CONFIG_ATH79_MACH_CAP4200AG)	+= mach-cap4200ag.o
  obj-$(CONFIG_ATH79_MACH_CPE510)		+= mach-cpe510.o
  obj-$(CONFIG_ATH79_MACH_DB120)		+= mach-db120.o
-Index: linux-3.18.19/arch/mips/ath79/machtypes.h
-===================================================================
---- linux-3.18.19.orig/arch/mips/ath79/machtypes.h	2015-08-10 17:08:03.191320098 +0100
-+++ linux-3.18.19/arch/mips/ath79/machtypes.h	2015-08-10 17:10:41.455317386 +0100
-@@ -37,6 +37,7 @@
+--- a/arch/mips/ath79/machtypes.h
++++ b/arch/mips/ath79/machtypes.h
+@@ -37,6 +37,7 @@ enum ath79_mach_type {
  	ATH79_MACH_ARCHER_C7,		/* TP-LINK Archer C7 board */
  	ATH79_MACH_AW_NR580,		/* AzureWave AW-NR580 */
  	ATH79_MACH_BHU_BXU2000N2_A1,	/* BHU BXU2000n-2 A1 */
diff --git a/target/linux/bcm53xx/patches-3.18/332-ARM-BCM5301X-Add-power-button-for-Buffalo-WZR-1750DHP.patch b/target/linux/bcm53xx/patches-3.18/332-ARM-BCM5301X-Add-power-button-for-Buffalo-WZR-1750DHP.patch
index f9ca7eb7c1..d49af48afc 100644
--- a/target/linux/bcm53xx/patches-3.18/332-ARM-BCM5301X-Add-power-button-for-Buffalo-WZR-1750DHP.patch
+++ b/target/linux/bcm53xx/patches-3.18/332-ARM-BCM5301X-Add-power-button-for-Buffalo-WZR-1750DHP.patch
@@ -5,7 +5,7 @@ Signed-off-by: Felix Fietkau <nbd@openwrt.org>
 ---
 --- a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
 +++ b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
-@@ -123,6 +123,12 @@
+@@ -143,6 +143,12 @@
  		#address-cells = <1>;
  		#size-cells = <0>;
  
diff --git a/target/linux/brcm2708/patches-3.18/0019-Add-Chris-Boot-s-i2c-and-spi-drivers.patch b/target/linux/brcm2708/patches-3.18/0019-Add-Chris-Boot-s-i2c-and-spi-drivers.patch
index 95e4a6d244..7795597451 100644
--- a/target/linux/brcm2708/patches-3.18/0019-Add-Chris-Boot-s-i2c-and-spi-drivers.patch
+++ b/target/linux/brcm2708/patches-3.18/0019-Add-Chris-Boot-s-i2c-and-spi-drivers.patch
@@ -212,7 +212,7 @@ The correct baudrate is shown in the log after the cdiv > 0xffff correction.
  static void timer_set_mode(enum clock_event_mode mode,
 --- a/drivers/i2c/busses/Kconfig
 +++ b/drivers/i2c/busses/Kconfig
-@@ -371,6 +371,25 @@ config I2C_BCM2835
+@@ -372,6 +372,25 @@ config I2C_BCM2835
  	  This support is also available as a module.  If so, the module
  	  will be called i2c-bcm2835.
  
diff --git a/target/linux/brcm2708/patches-3.18/0053-i2c-bcm2708-add-device-tree-support.patch b/target/linux/brcm2708/patches-3.18/0053-i2c-bcm2708-add-device-tree-support.patch
index acf920359b..0269052ae3 100644
--- a/target/linux/brcm2708/patches-3.18/0053-i2c-bcm2708-add-device-tree-support.patch
+++ b/target/linux/brcm2708/patches-3.18/0053-i2c-bcm2708-add-device-tree-support.patch
@@ -147,7 +147,7 @@ Signed-off-by: Noralf Tronnes <notro@tronnes.org>
  	bcm_register_device(&bcm2835_thermal_device);
 --- a/drivers/i2c/busses/Kconfig
 +++ b/drivers/i2c/busses/Kconfig
-@@ -361,7 +361,7 @@ config I2C_AXXIA
+@@ -362,7 +362,7 @@ config I2C_AXXIA
  
  config I2C_BCM2835
  	tristate "Broadcom BCM2835 I2C controller"
diff --git a/target/linux/brcm2708/patches-3.18/0089-Add-2709-platform-for-Raspberry-Pi-2.patch b/target/linux/brcm2708/patches-3.18/0089-Add-2709-platform-for-Raspberry-Pi-2.patch
index 6878838590..c1e938bb33 100644
--- a/target/linux/brcm2708/patches-3.18/0089-Add-2709-platform-for-Raspberry-Pi-2.patch
+++ b/target/linux/brcm2708/patches-3.18/0089-Add-2709-platform-for-Raspberry-Pi-2.patch
@@ -9352,7 +9352,7 @@ Subject: [PATCH 089/114] Add 2709 platform for Raspberry Pi 2
  
 --- a/drivers/i2c/busses/Kconfig
 +++ b/drivers/i2c/busses/Kconfig
-@@ -361,7 +361,7 @@ config I2C_AXXIA
+@@ -362,7 +362,7 @@ config I2C_AXXIA
  
  config I2C_BCM2835
  	tristate "Broadcom BCM2835 I2C controller"
@@ -9361,7 +9361,7 @@ Subject: [PATCH 089/114] Add 2709 platform for Raspberry Pi 2
  	help
  	  If you say yes to this option, support will be included for the
  	  BCM2835 I2C controller.
-@@ -373,7 +373,7 @@ config I2C_BCM2835
+@@ -374,7 +374,7 @@ config I2C_BCM2835
  
  config I2C_BCM2708
  	tristate "BCM2708 BSC"
diff --git a/target/linux/brcm47xx/patches-3.18/159-cpu_fixes.patch b/target/linux/brcm47xx/patches-3.18/159-cpu_fixes.patch
index dd430f52dd..48cf095d0e 100644
--- a/target/linux/brcm47xx/patches-3.18/159-cpu_fixes.patch
+++ b/target/linux/brcm47xx/patches-3.18/159-cpu_fixes.patch
@@ -242,7 +242,7 @@
  #endif /* _ASM_R4KCACHE_H */
 --- a/arch/mips/include/asm/stackframe.h
 +++ b/arch/mips/include/asm/stackframe.h
-@@ -333,6 +333,10 @@
+@@ -358,6 +358,10 @@
  		.macro	RESTORE_SP_AND_RET
  		LONG_L	sp, PT_R29(sp)
  		.set	arch=r4000
diff --git a/target/linux/cns3xxx/patches-3.18/070-i2c_support.patch b/target/linux/cns3xxx/patches-3.18/070-i2c_support.patch
index 0114d7e781..ff6be6a1ba 100644
--- a/target/linux/cns3xxx/patches-3.18/070-i2c_support.patch
+++ b/target/linux/cns3xxx/patches-3.18/070-i2c_support.patch
@@ -1,6 +1,6 @@
 --- a/drivers/i2c/busses/Kconfig
 +++ b/drivers/i2c/busses/Kconfig
-@@ -416,6 +416,18 @@ config I2C_CBUS_GPIO
+@@ -417,6 +417,18 @@ config I2C_CBUS_GPIO
  	  This driver can also be built as a module.  If so, the module
  	  will be called i2c-cbus-gpio.
  
diff --git a/target/linux/generic/patches-3.18/834-ledtrig-libata.patch b/target/linux/generic/patches-3.18/834-ledtrig-libata.patch
index 1360ce9fb8..4c0ffcac91 100644
--- a/target/linux/generic/patches-3.18/834-ledtrig-libata.patch
+++ b/target/linux/generic/patches-3.18/834-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
-@@ -4761,6 +4774,9 @@ static struct ata_queued_cmd *ata_qc_new
+@@ -4798,6 +4811,9 @@ static struct ata_queued_cmd *ata_qc_new
  			break;
  		}
  	}
@@ -79,7 +79,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
  
  	return qc;
  }
-@@ -5671,6 +5687,9 @@ struct ata_port *ata_port_alloc(struct a
+@@ -5708,6 +5724,9 @@ 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
+@@ -5729,6 +5748,12 @@ 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
+@@ -6175,7 +6200,23 @@ 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
-@@ -872,6 +875,12 @@ struct ata_port {
+@@ -874,6 +877,12 @@ 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/generic/patches-3.18/921-use_preinit_as_init.patch b/target/linux/generic/patches-3.18/921-use_preinit_as_init.patch
index d297e3bc30..57c2fe27be 100644
--- a/target/linux/generic/patches-3.18/921-use_preinit_as_init.patch
+++ b/target/linux/generic/patches-3.18/921-use_preinit_as_init.patch
@@ -1,6 +1,6 @@
 --- a/init/main.c
 +++ b/init/main.c
-@@ -962,7 +962,8 @@ static int __ref kernel_init(void *unuse
+@@ -963,7 +963,8 @@ static int __ref kernel_init(void *unuse
  		pr_err("Failed to execute %s (error %d).  Attempting defaults...\n",
  			execute_command, ret);
  	}
diff --git a/target/linux/lantiq/patches-3.18/0031-I2C-MIPS-lantiq-add-FALC-ON-i2c-bus-master.patch b/target/linux/lantiq/patches-3.18/0031-I2C-MIPS-lantiq-add-FALC-ON-i2c-bus-master.patch
index 819eb322cb..4f655db499 100644
--- a/target/linux/lantiq/patches-3.18/0031-I2C-MIPS-lantiq-add-FALC-ON-i2c-bus-master.patch
+++ b/target/linux/lantiq/patches-3.18/0031-I2C-MIPS-lantiq-add-FALC-ON-i2c-bus-master.patch
@@ -18,7 +18,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
 
 --- a/drivers/i2c/busses/Kconfig
 +++ b/drivers/i2c/busses/Kconfig
-@@ -553,6 +553,16 @@ config I2C_KEMPLD
+@@ -554,6 +554,16 @@ config I2C_KEMPLD
  	  This driver can also be built as a module. If so, the module
  	  will be called i2c-kempld.
  
diff --git a/target/linux/oxnas/patches-3.18/999-libata-hacks.patch b/target/linux/oxnas/patches-3.18/999-libata-hacks.patch
index b3ff7fa241..4c29bb06cf 100644
--- a/target/linux/oxnas/patches-3.18/999-libata-hacks.patch
+++ b/target/linux/oxnas/patches-3.18/999-libata-hacks.patch
@@ -15,7 +15,7 @@
  	/* initialize internal qc */
  
  	/* XXX: Tag 0 is used for drivers with legacy EH as some
-@@ -4757,6 +4765,9 @@ static struct ata_queued_cmd *ata_qc_new
+@@ -4794,6 +4802,9 @@ static struct ata_queued_cmd *ata_qc_new
  	if (unlikely(ap->pflags & ATA_PFLAG_FROZEN))
  		return NULL;
  
@@ -25,7 +25,7 @@
  	for (i = 0, tag = ap->last_tag + 1; i < max_queue; i++, tag++) {
  		if (ap->flags & ATA_FLAG_LOWTAG)
  			tag = i;
-@@ -4829,6 +4840,8 @@ void ata_qc_free(struct ata_queued_cmd *
+@@ -4866,6 +4877,8 @@ void ata_qc_free(struct ata_queued_cmd *
  	if (likely(ata_tag_valid(tag))) {
  		qc->tag = ATA_TAG_POISON;
  		clear_bit(tag, &ap->qc_allocated);
@@ -36,7 +36,7 @@
  
 --- a/include/linux/libata.h
 +++ b/include/linux/libata.h
-@@ -901,6 +901,8 @@ struct ata_port_operations {
+@@ -903,6 +903,8 @@ struct ata_port_operations {
  	void (*qc_prep)(struct ata_queued_cmd *qc);
  	unsigned int (*qc_issue)(struct ata_queued_cmd *qc);
  	bool (*qc_fill_rtf)(struct ata_queued_cmd *qc);
@@ -45,7 +45,7 @@
  
  	/*
  	 * Configuration and exception handling
-@@ -991,6 +993,9 @@ struct ata_port_operations {
+@@ -993,6 +995,9 @@ struct ata_port_operations {
  	void (*phy_reset)(struct ata_port *ap);
  	void (*eng_timeout)(struct ata_port *ap);
  
diff --git a/target/linux/ramips/patches-3.18/0052-i2c-MIPS-adds-ralink-I2C-driver.patch b/target/linux/ramips/patches-3.18/0052-i2c-MIPS-adds-ralink-I2C-driver.patch
index 9b7fba8410..3064b17da5 100644
--- a/target/linux/ramips/patches-3.18/0052-i2c-MIPS-adds-ralink-I2C-driver.patch
+++ b/target/linux/ramips/patches-3.18/0052-i2c-MIPS-adds-ralink-I2C-driver.patch
@@ -45,7 +45,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
 +};
 --- a/drivers/i2c/busses/Kconfig
 +++ b/drivers/i2c/busses/Kconfig
-@@ -710,6 +710,10 @@ config I2C_RK3X
+@@ -711,6 +711,10 @@ config I2C_RK3X
  	  This driver can also be built as a module. If so, the module will
  	  be called i2c-rk3x.
  
diff --git a/target/linux/ramips/patches-3.18/0062-mt7621-add-ECHI-OCHI-XCHI-support.patch b/target/linux/ramips/patches-3.18/0062-mt7621-add-ECHI-OCHI-XCHI-support.patch
index 15f5ee8378..98e8ca5a49 100644
--- a/target/linux/ramips/patches-3.18/0062-mt7621-add-ECHI-OCHI-XCHI-support.patch
+++ b/target/linux/ramips/patches-3.18/0062-mt7621-add-ECHI-OCHI-XCHI-support.patch
@@ -5546,7 +5546,7 @@
  	ctrl_ctx->add_flags |= cpu_to_le32(added_ctxs);
  	new_add_flags = le32_to_cpu(ctrl_ctx->add_flags);
  
-@@ -4451,8 +4597,14 @@ static u16 xhci_call_host_update_timeout
+@@ -4454,8 +4600,14 @@ static u16 xhci_call_host_update_timeout
  		u16 *timeout)
  {
  	if (state == USB3_LPM_U1)
@@ -5561,7 +5561,7 @@
  		return xhci_calculate_u2_timeout(xhci, udev, desc);
  
  	return USB3_LPM_DISABLED;
-@@ -4837,7 +4989,9 @@ int xhci_gen_setup(struct usb_hcd *hcd,
+@@ -4840,7 +4992,9 @@ int xhci_gen_setup(struct usb_hcd *hcd,
  	hcd->self.no_sg_constraint = 1;
  
  	/* XHCI controllers don't stop the ep queue on short packets :| */
@@ -5571,7 +5571,7 @@
  
  	if (usb_hcd_is_primary_hcd(hcd)) {
  		xhci = kzalloc(sizeof(struct xhci_hcd), GFP_KERNEL);
-@@ -4900,6 +5054,10 @@ int xhci_gen_setup(struct usb_hcd *hcd,
+@@ -4903,6 +5057,10 @@ int xhci_gen_setup(struct usb_hcd *hcd,
  		goto error;
  	xhci_dbg(xhci, "Reset complete\n");
  
@@ -5582,7 +5582,7 @@
  	/* Set dma_mask and coherent_dma_mask to 64-bits,
  	 * if xHC supports 64-bit addressing */
  	if (HCC_64BIT_ADDR(xhci->hcc_params) &&
-@@ -4994,8 +5152,57 @@ MODULE_DESCRIPTION(DRIVER_DESC);
+@@ -4997,8 +5155,57 @@ MODULE_DESCRIPTION(DRIVER_DESC);
  MODULE_AUTHOR(DRIVER_AUTHOR);
  MODULE_LICENSE("GPL");
  
diff --git a/target/linux/ramips/patches-3.18/0065-fix_dts_cache_issues.patch b/target/linux/ramips/patches-3.18/0065-fix_dts_cache_issues.patch
index 42c04aef96..520c570ee2 100644
--- a/target/linux/ramips/patches-3.18/0065-fix_dts_cache_issues.patch
+++ b/target/linux/ramips/patches-3.18/0065-fix_dts_cache_issues.patch
@@ -1,6 +1,6 @@
 --- a/arch/mips/kernel/setup.c
 +++ b/arch/mips/kernel/setup.c
-@@ -675,7 +675,6 @@
+@@ -675,7 +675,6 @@ static void __init arch_mem_init(char **
  				crashk_res.end - crashk_res.start + 1,
  				BOOTMEM_DEFAULT);
  #endif
@@ -8,7 +8,7 @@
  	sparse_init();
  	plat_swiotlb_setup();
  	paging_init();
-@@ -784,6 +783,7 @@
+@@ -784,6 +783,7 @@ void __init setup_arch(char **cmdline_p)
  	prefill_possible_map();
  
  	cpu_cache_init();
diff --git a/target/linux/ramips/patches-3.18/0111-i2c-MIPS-add-mt7621-I2C-driver.patch b/target/linux/ramips/patches-3.18/0111-i2c-MIPS-add-mt7621-I2C-driver.patch
index b34581ed63..9b9a72bc7b 100644
--- a/target/linux/ramips/patches-3.18/0111-i2c-MIPS-add-mt7621-I2C-driver.patch
+++ b/target/linux/ramips/patches-3.18/0111-i2c-MIPS-add-mt7621-I2C-driver.patch
@@ -1,6 +1,6 @@
 --- a/drivers/i2c/busses/Kconfig
 +++ b/drivers/i2c/busses/Kconfig
-@@ -714,6 +714,10 @@ config I2C_RALINK
+@@ -715,6 +715,10 @@ config I2C_RALINK
  	tristate "Ralink I2C Controller"
  	select OF_I2C