oxnas: delete linux 4.1 support

Signed-off-by: Felix Fietkau <nbd@nbd.name>

15 files changed, 0 insertions, 831 deletions

diff --git a/target/linux/oxnas/config-4.1 b/target/linux/oxnas/config-4.1
deleted file mode 100644
index 29c194cfb4..0000000000
--- a/target/linux/oxnas/config-4.1
+++ /dev/null
@@ -1,374 +0,0 @@
-CONFIG_ALIGNMENT_TRAP=y
-# CONFIG_APM_EMULATION is not set
-CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
-CONFIG_ARCH_HAS_ELF_RANDOMIZE=y
-CONFIG_ARCH_HAS_GCOV_PROFILE_ALL=y
-CONFIG_ARCH_HAS_RESET_CONTROLLER=y
-CONFIG_ARCH_HAS_SG_CHAIN=y
-CONFIG_ARCH_HAS_TICK_BROADCAST=y
-CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y
-CONFIG_ARCH_HIBERNATION_POSSIBLE=y
-CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
-CONFIG_ARCH_NR_GPIO=0
-CONFIG_ARCH_OXNAS=y
-CONFIG_ARCH_REQUIRE_GPIOLIB=y
-# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
-# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
-CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y
-CONFIG_ARCH_SUPPORTS_UPROBES=y
-CONFIG_ARCH_SUSPEND_POSSIBLE=y
-CONFIG_ARCH_USE_BUILTIN_BSWAP=y
-CONFIG_ARCH_USE_CMPXCHG_LOCKREF=y
-CONFIG_ARCH_WANT_GENERAL_HUGETLB=y
-CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
-CONFIG_ARCH_WANT_LIBATA_LEDS=y
-CONFIG_ARM=y
-CONFIG_ARM_CPUIDLE=y
-# CONFIG_ARM_CPU_SUSPEND is not set
-CONFIG_ARM_DMA_IOMMU_ALIGNMENT=8
-CONFIG_ARM_DMA_USE_IOMMU=y
-CONFIG_ARM_GIC=y
-CONFIG_ARM_HAS_SG_CHAIN=y
-CONFIG_ARM_L1_CACHE_SHIFT=5
-CONFIG_ARM_PATCH_PHYS_VIRT=y
-# CONFIG_ARM_CCI400_PMU is not set
-CONFIG_ARM_SMMU=y
-CONFIG_ARM_THUMB=y
-CONFIG_ARM_UNWIND=y
-CONFIG_ATA_LEDS=y
-CONFIG_AUTO_ZRELADDR=y
-# CONFIG_BLK_DEV_INITRD is not set
-CONFIG_BLK_DEV_SD=y
-CONFIG_BOOTPARAM_HUNG_TASK_PANIC=y
-CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=1
-CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=y
-CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=1
-# CONFIG_CACHE_L2X0 is not set
-CONFIG_CLKDEV_LOOKUP=y
-CONFIG_CLKSRC_MMIO=y
-CONFIG_CLKSRC_OF=y
-CONFIG_CLKSRC_RPS_TIMER=y
-CONFIG_CLONE_BACKWARDS=y
-CONFIG_CMDLINE="console=ttyS0,115200n8 earlyprintk=serial"
-CONFIG_COMMON_CLK=y
-# CONFIG_COMMON_CLK_PWM is not set
-CONFIG_COMPACTION=y
-CONFIG_CONSOLE_POLL=y
-CONFIG_COREDUMP=y
-CONFIG_CPU_32v6=y
-CONFIG_CPU_32v6K=y
-CONFIG_CPU_ABRT_EV6=y
-# CONFIG_CPU_BPREDICT_DISABLE is not set
-CONFIG_CPU_CACHE_V6=y
-CONFIG_CPU_CACHE_VIPT=y
-CONFIG_CPU_COPY_V6=y
-CONFIG_CPU_CP15=y
-CONFIG_CPU_CP15_MMU=y
-CONFIG_CPU_HAS_ASID=y
-# CONFIG_CPU_ICACHE_DISABLE is not set
-CONFIG_CPU_IDLE=y
-CONFIG_CPU_IDLE_GOV_LADDER=y
-CONFIG_CPU_IDLE_GOV_MENU=y
-CONFIG_CPU_PABRT_V6=y
-CONFIG_CPU_PM=y
-CONFIG_CPU_RMAP=y
-CONFIG_CPU_TLB_V6=y
-CONFIG_CPU_V6K=y
-CONFIG_CRC16=y
-# CONFIG_CRC32_SARWATE is not set
-CONFIG_CRC32_SLICEBY8=y
-CONFIG_CRYPTO_DEFLATE=y
-CONFIG_CRYPTO_LZO=y
-CONFIG_CRYPTO_XZ=y
-CONFIG_DCACHE_WORD_ACCESS=y
-CONFIG_DEBUG_ICEDCC=y
-CONFIG_DEBUG_LL=y
-CONFIG_DEBUG_LL_INCLUDE="debug/icedcc.S"
-# CONFIG_DEBUG_UART_8250 is not set
-# CONFIG_DEBUG_USER is not set
-CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=8
-CONFIG_DETECT_HUNG_TASK=y
-CONFIG_DIRECT_IO=y
-CONFIG_DMADEVICES=y
-CONFIG_DMA_CACHE_FIQ_BROADCAST=y
-# CONFIG_DMA_CACHE_RWFO is not set
-CONFIG_DMA_ENGINE=y
-CONFIG_DMA_OF=y
-CONFIG_DNOTIFY=y
-CONFIG_DTC=y
-CONFIG_DT_IDLE_STATES=y
-# CONFIG_DW_DMAC_PCI is not set
-CONFIG_EARLY_PRINTK=y
-CONFIG_FIQ=y
-CONFIG_GENERIC_ALLOCATOR=y
-CONFIG_GENERIC_BUG=y
-CONFIG_GENERIC_CLOCKEVENTS=y
-CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
-CONFIG_GENERIC_IDLE_POLL_SETUP=y
-CONFIG_GENERIC_IO=y
-CONFIG_GENERIC_IRQ_SHOW=y
-CONFIG_GENERIC_IRQ_SHOW_LEVEL=y
-CONFIG_GENERIC_PCI_IOMAP=y
-CONFIG_GENERIC_PINCONF=y
-CONFIG_GENERIC_SCHED_CLOCK=y
-CONFIG_GENERIC_SMP_IDLE_THREAD=y
-CONFIG_GENERIC_STRNCPY_FROM_USER=y
-CONFIG_GENERIC_STRNLEN_USER=y
-CONFIG_GPIOLIB=y
-CONFIG_GPIO_DEVRES=y
-CONFIG_GPIO_GENERIC=y
-CONFIG_GPIO_GENERIC_PLATFORM=y
-CONFIG_GPIO_SYSFS=y
-CONFIG_HANDLE_DOMAIN_IRQ=y
-CONFIG_HARDIRQS_SW_RESEND=y
-CONFIG_HAS_DMA=y
-CONFIG_HAS_IOMEM=y
-CONFIG_HAS_IOPORT_MAP=y
-# CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set
-CONFIG_HAVE_ARCH_AUDITSYSCALL=y
-# CONFIG_HAVE_ARCH_BITREVERSE is not set
-CONFIG_HAVE_ARCH_JUMP_LABEL=y
-CONFIG_HAVE_ARCH_KGDB=y
-CONFIG_HAVE_ARCH_PFN_VALID=y
-CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
-CONFIG_HAVE_ARCH_TRACEHOOK=y
-CONFIG_HAVE_ARM_SCU=y
-CONFIG_HAVE_ARM_TWD=y
-# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set
-CONFIG_HAVE_BPF_JIT=y
-CONFIG_HAVE_CC_STACKPROTECTOR=y
-CONFIG_HAVE_CLK=y
-CONFIG_HAVE_CLK_PREPARE=y
-CONFIG_HAVE_CONTEXT_TRACKING=y
-CONFIG_HAVE_C_RECORDMCOUNT=y
-CONFIG_HAVE_DEBUG_KMEMLEAK=y
-CONFIG_HAVE_DMA_API_DEBUG=y
-CONFIG_HAVE_DMA_ATTRS=y
-CONFIG_HAVE_DMA_CONTIGUOUS=y
-CONFIG_HAVE_DYNAMIC_FTRACE=y
-CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
-CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
-CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
-CONFIG_HAVE_FUNCTION_TRACER=y
-CONFIG_HAVE_GENERIC_DMA_COHERENT=y
-CONFIG_HAVE_IDE=y
-CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y
-CONFIG_HAVE_KERNEL_GZIP=y
-CONFIG_HAVE_KERNEL_LZ4=y
-CONFIG_HAVE_KERNEL_LZMA=y
-CONFIG_HAVE_KERNEL_LZO=y
-CONFIG_HAVE_KERNEL_XZ=y
-CONFIG_HAVE_MEMBLOCK=y
-CONFIG_HAVE_MOD_ARCH_SPECIFIC=y
-CONFIG_HAVE_NET_DSA=y
-CONFIG_HAVE_OPROFILE=y
-CONFIG_HAVE_OPTPROBES=y
-CONFIG_HAVE_PERF_EVENTS=y
-CONFIG_HAVE_PERF_REGS=y
-CONFIG_HAVE_PERF_USER_STACK_DUMP=y
-CONFIG_HAVE_PROC_CPU=y
-CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
-CONFIG_HAVE_SMP=y
-CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
-CONFIG_HAVE_UID16=y
-CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y
-CONFIG_HOTPLUG_CPU=y
-# CONFIG_HSU_DMA_PCI is not set
-CONFIG_HZ_FIXED=0
-CONFIG_I2C=y
-CONFIG_I2C_ALGOBIT=y
-CONFIG_I2C_BOARDINFO=y
-CONFIG_ICPLUS_PHY=y
-CONFIG_INET_DIAG=y
-CONFIG_INET_TCP_DIAG=y
-CONFIG_INET_UDP_DIAG=y
-CONFIG_INPUT=y
-# CONFIG_INPUT_MISC is not set
-CONFIG_IOMMU_API=y
-CONFIG_IOMMU_HELPER=y
-CONFIG_IOMMU_IO_PGTABLE=y
-CONFIG_IOMMU_IO_PGTABLE_LPAE=y
-# CONFIG_IOMMU_IO_PGTABLE_LPAE_SELFTEST is not set
-CONFIG_IOMMU_SUPPORT=y
-# CONFIG_IP_ADVANCED_ROUTER is not set
-# CONFIG_IP_MULTICAST is not set
-CONFIG_IP_PNP=y
-# CONFIG_IP_PNP_BOOTP is not set
-CONFIG_IP_PNP_DHCP=y
-# CONFIG_IP_PNP_RARP is not set
-CONFIG_IRQCHIP=y
-CONFIG_IRQ_DOMAIN=y
-CONFIG_IRQ_DOMAIN_HIERARCHY=y
-CONFIG_IRQ_FORCED_THREADING=y
-CONFIG_IRQ_TIME_ACCOUNTING=y
-CONFIG_IRQ_WORK=y
-# CONFIG_ISDN is not set
-# CONFIG_JFFS2_FS is not set
-CONFIG_JUMP_LABEL=y
-CONFIG_KALLSYMS=y
-CONFIG_KALLSYMS_ALL=y
-CONFIG_KGDB=y
-# CONFIG_KGDB_KDB is not set
-CONFIG_KGDB_SERIAL_CONSOLE=y
-# CONFIG_KGDB_TESTS is not set
-# CONFIG_LDM_DEBUG is not set
-CONFIG_LDM_PARTITION=y
-# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set
-# CONFIG_LEDS_TRIGGER_NETDEV is not set
-# CONFIG_LEDS_TRIGGER_TIMER is not set
-CONFIG_LIBFDT=y
-CONFIG_LOCKUP_DETECTOR=y
-CONFIG_LOCK_SPIN_ON_OWNER=y
-CONFIG_LZ4_COMPRESS=y
-CONFIG_LZ4_DECOMPRESS=y
-CONFIG_LZO_COMPRESS=y
-CONFIG_LZO_DECOMPRESS=y
-CONFIG_MACH_OX820=y
-CONFIG_MAGIC_SYSRQ=y
-CONFIG_MAILBOX=y
-CONFIG_MDIO_BOARDINFO=y
-CONFIG_MFD_SYSCON=y
-CONFIG_MIGHT_HAVE_PCI=y
-CONFIG_MIGRATION=y
-CONFIG_MODULES_USE_ELF_REL=y
-# CONFIG_MODULE_STRIPPED is not set
-# CONFIG_MTD_CFI is not set
-# CONFIG_MTD_COMPLEX_MAPPINGS is not set
-CONFIG_MTD_NAND=y
-CONFIG_MTD_NAND_ECC=y
-CONFIG_MTD_NAND_OXNAS=y
-CONFIG_MTD_NAND_PLATFORM=y
-CONFIG_MTD_SPLIT_FIRMWARE=y
-CONFIG_MTD_UBI=y
-CONFIG_MTD_UBI_BEB_LIMIT=20
-CONFIG_MTD_UBI_BLOCK=y
-# CONFIG_MTD_UBI_FASTMAP is not set
-# CONFIG_MTD_UBI_GLUEBI is not set
-CONFIG_MTD_UBI_WL_THRESHOLD=4096
-CONFIG_MTD_UIMAGE_SPLIT=y
-CONFIG_MULTI_IRQ_HANDLER=y
-CONFIG_MUTEX_SPIN_ON_OWNER=y
-CONFIG_NEED_DMA_MAP_STATE=y
-CONFIG_NEED_SG_DMA_LENGTH=y
-CONFIG_NET_FLOW_LIMIT=y
-CONFIG_NET_PTP_CLASSIFY=y
-CONFIG_NLS=y
-CONFIG_NO_BOOTMEM=y
-CONFIG_NO_HZ_COMMON=y
-CONFIG_NO_HZ_IDLE=y
-CONFIG_NR_CPUS=2
-CONFIG_OF=y
-CONFIG_OF_ADDRESS=y
-CONFIG_OF_ADDRESS_PCI=y
-CONFIG_OF_EARLY_FLATTREE=y
-CONFIG_OF_FLATTREE=y
-CONFIG_OF_GPIO=y
-CONFIG_OF_IOMMU=y
-CONFIG_OF_IRQ=y
-CONFIG_OF_MDIO=y
-CONFIG_OF_MTD=y
-CONFIG_OF_NET=y
-CONFIG_OF_PCI=y
-CONFIG_OF_PCI_IRQ=y
-CONFIG_OF_RESERVED_MEM=y
-CONFIG_OLD_SIGACTION=y
-CONFIG_OLD_SIGSUSPEND3=y
-CONFIG_PACKET_DIAG=y
-CONFIG_PAGEFLAGS_EXTENDED=y
-CONFIG_PAGE_OFFSET=0xC0000000
-CONFIG_PCI=y
-CONFIG_PCIEAER=y
-CONFIG_PCIEASPM=y
-# CONFIG_PCIEASPM_DEBUG is not set
-CONFIG_PCIEASPM_DEFAULT=y
-# CONFIG_PCIEASPM_PERFORMANCE is not set
-# CONFIG_PCIEASPM_POWERSAVE is not set
-CONFIG_PCIEPORTBUS=y
-# CONFIG_PCIE_IPROC is not set
-CONFIG_PCIE_PME=y
-# CONFIG_PCI_DOMAINS_GENERIC is not set
-CONFIG_PCI_OXNAS=y
-CONFIG_PERF_USE_VMALLOC=y
-CONFIG_PGTABLE_LEVELS=2
-CONFIG_PHYLIB=y
-CONFIG_PINCTRL=y
-CONFIG_PINCTRL_OXNAS=y
-CONFIG_PLXTECH_RPS=y
-CONFIG_PM=y
-CONFIG_PM_CLK=y
-# CONFIG_PM_DEBUG is not set
-CONFIG_POWER_RESET=y
-# CONFIG_POWER_RESET_BRCMSTB is not set
-CONFIG_POWER_RESET_GPIO=y
-# CONFIG_POWER_RESET_GPIO_RESTART is not set
-# CONFIG_POWER_RESET_LTC2952 is not set
-# CONFIG_POWER_RESET_SYSCON is not set
-CONFIG_POWER_RESET_SYSCON_POWEROFF=y
-CONFIG_POWER_SUPPLY=y
-CONFIG_PPS=y
-CONFIG_PRINTK_TIME=y
-CONFIG_PTP_1588_CLOCK=y
-CONFIG_PWM=y
-# CONFIG_PWM_FSL_FTM is not set
-CONFIG_PWM_SYSFS=y
-CONFIG_RAS=y
-CONFIG_RATIONAL=y
-CONFIG_RCU_CPU_STALL_TIMEOUT=21
-CONFIG_RCU_STALL_COMMON=y
-CONFIG_REALTEK_PHY=y
-CONFIG_REGMAP=y
-CONFIG_REGMAP_MMIO=y
-CONFIG_RELAY=y
-CONFIG_RESET_CONTROLLER=y
-CONFIG_RESET_CONTROLLER_OXNAS=y
-CONFIG_RFS_ACCEL=y
-CONFIG_RPS=y
-CONFIG_RTC_CLASS=y
-# CONFIG_RTC_DRV_CMOS is not set
-CONFIG_RWSEM_SPIN_ON_OWNER=y
-CONFIG_RWSEM_XCHGADD_ALGORITHM=y
-CONFIG_SCHED_HRTICK=y
-CONFIG_SCSI=y
-CONFIG_SERIAL_8250_NR_UARTS=1
-CONFIG_SERIAL_8250_PCI=y
-CONFIG_SERIAL_8250_RUNTIME_UARTS=1
-# CONFIG_SERIAL_KGDB_NMI is not set
-CONFIG_SERIAL_OF_PLATFORM=y
-CONFIG_SMP=y
-CONFIG_SMP_ON_UP=y
-CONFIG_SOCK_DIAG=y
-CONFIG_SRCU=y
-CONFIG_STMMAC_ETH=y
-CONFIG_STMMAC_PLATFORM=y
-CONFIG_STOP_MACHINE=y
-# CONFIG_STRIP_ASM_SYMS is not set
-CONFIG_SWIOTLB=y
-CONFIG_SYS_SUPPORTS_APM_EMULATION=y
-CONFIG_TREE_RCU=y
-CONFIG_UBIFS_FS=y
-# CONFIG_UBIFS_FS_ADVANCED_COMPR is not set
-CONFIG_UBIFS_FS_LZO=y
-CONFIG_UBIFS_FS_XZ=y
-CONFIG_UBIFS_FS_ZLIB=y
-CONFIG_UID16=y
-CONFIG_UNCOMPRESS_INCLUDE="mach/uncompress.h"
-CONFIG_USB=y
-CONFIG_USB_COMMON=y
-# CONFIG_USB_EHCI_HCD is not set
-CONFIG_USB_SUPPORT=y
-# CONFIG_USB_UHCI_HCD is not set
-CONFIG_USE_OF=y
-CONFIG_VECTORS_BASE=0xffff0000
-# CONFIG_VFIO is not set
-# CONFIG_VFP is not set
-CONFIG_VM_EVENT_COUNTERS=y
-CONFIG_WATCHDOG_CORE=y
-CONFIG_WATCHDOG_NOWAYOUT=y
-CONFIG_XPS=y
-CONFIG_XZ_DEC_ARM=y
-CONFIG_XZ_DEC_BCJ=y
-CONFIG_ZBOOT_ROM_BSS=0
-CONFIG_ZBOOT_ROM_TEXT=0
-CONFIG_ZLIB_DEFLATE=y
-CONFIG_ZLIB_INFLATE=y
-CONFIG_ZONE_DMA_FLAG=0
diff --git a/target/linux/oxnas/patches-4.1/010-arm_introduce-dma-fiq-irq-broadcast.patch b/target/linux/oxnas/patches-4.1/010-arm_introduce-dma-fiq-irq-broadcast.patch
deleted file mode 100644
index 65ef6bc5e6..0000000000
--- a/target/linux/oxnas/patches-4.1/010-arm_introduce-dma-fiq-irq-broadcast.patch
+++ /dev/null
@@ -1,56 +0,0 @@
---- a/arch/arm/include/asm/glue-cache.h
-+++ b/arch/arm/include/asm/glue-cache.h
-@@ -156,11 +156,19 @@ static inline void nop_dma_unmap_area(co
- #define __cpuc_flush_user_range		__glue(_CACHE,_flush_user_cache_range)
- #define __cpuc_coherent_kern_range	__glue(_CACHE,_coherent_kern_range)
- #define __cpuc_coherent_user_range	__glue(_CACHE,_coherent_user_range)
-+#ifndef CONFIG_DMA_CACHE_FIQ_BROADCAST
- #define __cpuc_flush_dcache_area	__glue(_CACHE,_flush_kern_dcache_area)
- 
- #define dmac_map_area			__glue(_CACHE,_dma_map_area)
- #define dmac_unmap_area			__glue(_CACHE,_dma_unmap_area)
- #define dmac_flush_range		__glue(_CACHE,_dma_flush_range)
-+#else
-+#define __cpuc_flush_dcache_area	__glue(fiq,_flush_kern_dcache_area)
-+
-+#define dmac_map_area			__glue(fiq,_dma_map_area)
-+#define dmac_unmap_area			__glue(fiq,_dma_unmap_area)
-+#define dmac_flush_range		__glue(fiq,_dma_flush_range)
-+#endif /* CONFIG_DMA_CACHE_FIQ_BROADCAST */
- #endif
- 
- #endif
---- a/arch/arm/mm/Kconfig
-+++ b/arch/arm/mm/Kconfig
-@@ -858,6 +858,17 @@ config DMA_CACHE_RWFO
- 	  in hardware, other workarounds are needed (e.g. cache
- 	  maintenance broadcasting in software via FIQ).
- 
-+config DMA_CACHE_FIQ_BROADCAST
-+	bool "Enable fiq broadcast DMA cache maintenance"
-+	depends on CPU_V6K && SMP
-+	select FIQ
-+	help
-+	  The Snoop Control Unit on ARM11MPCore does not detect the
-+	  cache maintenance operations and the dma_{map,unmap}_area()
-+	  functions may leave stale cache entries on other CPUs. By
-+	  enabling this option, fiq broadcast in the ARMv6
-+	  DMA cache maintenance functions is performed.
-+
- config OUTER_CACHE
- 	bool
- 
---- a/arch/arm/mm/flush.c
-+++ b/arch/arm/mm/flush.c
-@@ -314,7 +314,11 @@ void flush_dcache_page(struct page *page
- 
- 	mapping = page_mapping(page);
- 
-+#ifndef CONFIG_DMA_CACHE_FIQ_BROADCAST
- 	if (!cache_ops_need_broadcast() &&
-+#else
-+	if (
-+#endif
- 	    mapping && !page_mapped(page))
- 		clear_bit(PG_dcache_clean, &page->flags);
- 	else {
diff --git a/target/linux/oxnas/patches-4.1/250-add-plxtech-vendor-prefix.patch b/target/linux/oxnas/patches-4.1/250-add-plxtech-vendor-prefix.patch
deleted file mode 100644
index c43d03ed79..0000000000
--- a/target/linux/oxnas/patches-4.1/250-add-plxtech-vendor-prefix.patch
+++ /dev/null
@@ -1,10 +0,0 @@
---- a/Documentation/devicetree/bindings/vendor-prefixes.txt
-+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
-@@ -149,6 +149,7 @@ pericom	Pericom Technology Inc.
- phytec	PHYTEC Messtechnik GmbH
- picochip	Picochip Ltd
- plathome	Plat'Home Co., Ltd.
-+plxtech	PLX Technology, Inc.
- pixcir  PIXCIR MICROELECTRONICS Co., Ltd
- powervr	PowerVR (deprecated, use img)
- qca	Qualcomm Atheros, Inc.
diff --git a/target/linux/oxnas/patches-4.1/300-introduce-oxnas-platform.patch b/target/linux/oxnas/patches-4.1/300-introduce-oxnas-platform.patch
deleted file mode 100644
index 9f78d3c56c..0000000000
--- a/target/linux/oxnas/patches-4.1/300-introduce-oxnas-platform.patch
+++ /dev/null
@@ -1,70 +0,0 @@
---- a/arch/arm/Kconfig
-+++ b/arch/arm/Kconfig
-@@ -600,6 +600,18 @@ config ARCH_LPC32XX
- 	help
- 	  Support for the NXP LPC32XX family of processors
- 
-+config ARCH_OXNAS
-+	bool "Oxford Semiconductor 815/820/825 NAS SoC"
-+	select ARCH_REQUIRE_GPIOLIB
-+	select CLKDEV_LOOKUP
-+	select GENERIC_CLOCKEVENTS
-+	select COMMON_CLK
-+	select MIGHT_HAVE_PCI
-+	select ARCH_HAS_RESET_CONTROLLER
-+	help
-+		This enables support for Oxford 815/820/825 NAS SoC
-+		later renamed to PLXTECH NAS782x.
-+
- config ARCH_PXA
- 	bool "PXA2xx/PXA3xx-based"
- 	depends on MMU
-@@ -898,6 +910,8 @@ source "arch/arm/mach-omap2/Kconfig"
- 
- source "arch/arm/mach-orion5x/Kconfig"
- 
-+source "arch/arm/mach-oxnas/Kconfig"
-+
- source "arch/arm/mach-picoxcell/Kconfig"
- 
- source "arch/arm/mach-pxa/Kconfig"
---- a/arch/arm/Makefile
-+++ b/arch/arm/Makefile
-@@ -195,6 +195,7 @@ machine-$(CONFIG_ARCH_NSPIRE)		+= nspire
- machine-$(CONFIG_ARCH_OMAP1)		+= omap1
- machine-$(CONFIG_ARCH_OMAP2PLUS)	+= omap2
- machine-$(CONFIG_ARCH_ORION5X)		+= orion5x
-+machine-$(CONFIG_ARCH_OXNAS)		+= oxnas
- machine-$(CONFIG_ARCH_PICOXCELL)	+= picoxcell
- machine-$(CONFIG_ARCH_PXA)		+= pxa
- machine-$(CONFIG_ARCH_QCOM)		+= qcom
---- a/arch/arm/boot/dts/Makefile
-+++ b/arch/arm/boot/dts/Makefile
-@@ -442,6 +442,7 @@ dtb-$(CONFIG_ARCH_ORION5X) += \
- 	orion5x-lacie-ethernet-disk-mini-v2.dtb \
- 	orion5x-maxtor-shared-storage-2.dtb \
- 	orion5x-rd88f5182-nas.dtb
-+dtb-$(CONFIG_ARCH_OXNAS) += ox820-pogoplug-pro.dtb
- dtb-$(CONFIG_ARCH_PRIMA2) += \
- 	prima2-evb.dtb
- dtb-$(CONFIG_ARCH_QCOM) += \
---- a/arch/arm/tools/mach-types
-+++ b/arch/arm/tools/mach-types
-@@ -228,6 +228,7 @@ edb9302a		MACH_EDB9302A		EDB9302A		1127
- edb9307a		MACH_EDB9307A		EDB9307A		1128
- omap_3430sdp		MACH_OMAP_3430SDP	OMAP_3430SDP		1138
- vstms			MACH_VSTMS		VSTMS			1140
-+ox820			MACH_OX820		OX820			1152
- micro9m			MACH_MICRO9M		MICRO9M			1169
- bug			MACH_BUG		BUG			1179
- at91sam9263ek		MACH_AT91SAM9263EK	AT91SAM9263EK		1202
---- a/drivers/clk/Makefile
-+++ b/drivers/clk/Makefile
-@@ -32,6 +32,7 @@ obj-$(CONFIG_ARCH_MB86S7X)		+= clk-mb86s
- obj-$(CONFIG_ARCH_MOXART)		+= clk-moxart.o
- obj-$(CONFIG_ARCH_NOMADIK)		+= clk-nomadik.o
- obj-$(CONFIG_ARCH_NSPIRE)		+= clk-nspire.o
-+obj-$(CONFIG_ARCH_OXNAS)		+= clk-oxnas.o
- obj-$(CONFIG_COMMON_CLK_PALMAS)		+= clk-palmas.o
- obj-$(CONFIG_CLK_QORIQ)			+= clk-qoriq.o
- obj-$(CONFIG_COMMON_CLK_RK808)		+= clk-rk808.o
diff --git a/target/linux/oxnas/patches-4.1/310-oxnas-clocksource.patch b/target/linux/oxnas/patches-4.1/310-oxnas-clocksource.patch
deleted file mode 100644
index 3699b7a5b8..0000000000
--- a/target/linux/oxnas/patches-4.1/310-oxnas-clocksource.patch
+++ /dev/null
@@ -1,25 +0,0 @@
---- a/drivers/clocksource/Kconfig
-+++ b/drivers/clocksource/Kconfig
-@@ -177,6 +177,12 @@ config VF_PIT_TIMER
- 	help
- 	  Support for Period Interrupt Timer on Freescale Vybrid Family SoCs.
- 
-+config CLKSRC_RPS_TIMER
-+	def_bool y if ARCH_OXNAS
-+	select CLKSRC_MMIO
-+	help
-+	  This option enables support for the oxnas rps timers.
-+
- config SYS_SUPPORTS_SH_CMT
-         bool
- 
---- a/drivers/clocksource/Makefile
-+++ b/drivers/clocksource/Makefile
-@@ -39,6 +39,7 @@ obj-$(CONFIG_CLKSRC_EFM32)	+= time-efm32
- obj-$(CONFIG_CLKSRC_EXYNOS_MCT)	+= exynos_mct.o
- obj-$(CONFIG_CLKSRC_SAMSUNG_PWM)	+= samsung_pwm_timer.o
- obj-$(CONFIG_FSL_FTM_TIMER)	+= fsl_ftm_timer.o
-+obj-$(CONFIG_CLKSRC_RPS_TIMER)	+= oxnas_rps_timer.o
- obj-$(CONFIG_VF_PIT_TIMER)	+= vf_pit_timer.o
- obj-$(CONFIG_CLKSRC_QCOM)	+= qcom-timer.o
- obj-$(CONFIG_MTK_TIMER)		+= mtk_timer.o
diff --git a/target/linux/oxnas/patches-4.1/320-oxnas-irqchip.patch b/target/linux/oxnas/patches-4.1/320-oxnas-irqchip.patch
deleted file mode 100644
index d0833eaaf0..0000000000
--- a/target/linux/oxnas/patches-4.1/320-oxnas-irqchip.patch
+++ /dev/null
@@ -1,34 +0,0 @@
---- a/drivers/irqchip/Kconfig
-+++ b/drivers/irqchip/Kconfig
-@@ -27,6 +27,11 @@ config ARM_GIC_V3_ITS
- 	bool
- 	select PCI_MSI_IRQ_DOMAIN
- 
-+config PLXTECH_RPS
-+	def_bool y if ARHC_OXNAS
-+	depends on ARCH_OXNAS
-+	select IRQ_DOMAIN
-+
- config ARM_NVIC
- 	bool
- 	select IRQ_DOMAIN
---- a/drivers/irqchip/Makefile
-+++ b/drivers/irqchip/Makefile
-@@ -31,6 +31,7 @@ obj-$(CONFIG_IMGPDC_IRQ)		+= irq-imgpdc.
- obj-$(CONFIG_SIRF_IRQ)			+= irq-sirfsoc.o
- obj-$(CONFIG_RENESAS_INTC_IRQPIN)	+= irq-renesas-intc-irqpin.o
- obj-$(CONFIG_RENESAS_IRQC)		+= irq-renesas-irqc.o
-+obj-$(CONFIG_PLXTECH_RPS)		+= irq-rps.o
- obj-$(CONFIG_VERSATILE_FPGA_IRQ)	+= irq-versatile-fpga.o
- obj-$(CONFIG_ARCH_NSPIRE)		+= irq-zevio.o
- obj-$(CONFIG_ARCH_VT8500)		+= irq-vt8500.o
---- a/drivers/irqchip/irq-gic.c
-+++ b/drivers/irqchip/irq-gic.c
-@@ -1036,6 +1036,7 @@ IRQCHIP_DECLARE(arm1176jzf_dc_gic, "arm,
- IRQCHIP_DECLARE(cortex_a15_gic, "arm,cortex-a15-gic", gic_of_init);
- IRQCHIP_DECLARE(cortex_a9_gic, "arm,cortex-a9-gic", gic_of_init);
- IRQCHIP_DECLARE(cortex_a7_gic, "arm,cortex-a7-gic", gic_of_init);
-+IRQCHIP_DECLARE(arm11_mpcore_gic, "arm,arm11mp-gic", gic_of_init);
- IRQCHIP_DECLARE(msm_8660_qgic, "qcom,msm-8660-qgic", gic_of_init);
- IRQCHIP_DECLARE(msm_qgic2, "qcom,msm-qgic2", gic_of_init);
- 
diff --git a/target/linux/oxnas/patches-4.1/330-oxnas-pinctrl.patch b/target/linux/oxnas/patches-4.1/330-oxnas-pinctrl.patch
deleted file mode 100644
index 5e7d081e03..0000000000
--- a/target/linux/oxnas/patches-4.1/330-oxnas-pinctrl.patch
+++ /dev/null
@@ -1,28 +0,0 @@
---- a/drivers/pinctrl/Kconfig
-+++ b/drivers/pinctrl/Kconfig
-@@ -191,6 +191,15 @@ config PINCTRL_COH901
- 	  COH 901 335 and COH 901 571/3. They contain 3, 5 or 7
- 	  ports of 8 GPIO pins each.
- 
-+config PINCTRL_OXNAS
-+	bool "OXNAS pinctrl driver"
-+	depends on OF
-+	depends on ARCH_OXNAS
-+	select PINMUX
-+	select PINCONF
-+	help
-+	  Say Y here to enable the oxnas pinctrl driver
-+
- config PINCTRL_PALMAS
- 	bool "Pinctrl driver for the PALMAS Series MFD devices"
- 	depends on OF && MFD_PALMAS
---- a/drivers/pinctrl/Makefile
-+++ b/drivers/pinctrl/Makefile
-@@ -17,6 +17,7 @@ obj-$(CONFIG_PINCTRL_AT91)	+= pinctrl-at
- obj-$(CONFIG_PINCTRL_AMD)	+= pinctrl-amd.o
- obj-$(CONFIG_PINCTRL_FALCON)	+= pinctrl-falcon.o
- obj-$(CONFIG_PINCTRL_MESON)	+= meson/
-+obj-$(CONFIG_PINCTRL_OXNAS)	+= pinctrl-oxnas.o
- obj-$(CONFIG_PINCTRL_PALMAS)	+= pinctrl-palmas.o
- obj-$(CONFIG_PINCTRL_ROCKCHIP)	+= pinctrl-rockchip.o
- obj-$(CONFIG_PINCTRL_SINGLE)	+= pinctrl-single.o
diff --git a/target/linux/oxnas/patches-4.1/340-oxnas-pcie.patch b/target/linux/oxnas/patches-4.1/340-oxnas-pcie.patch
deleted file mode 100644
index ec9dc941a3..0000000000
--- a/target/linux/oxnas/patches-4.1/340-oxnas-pcie.patch
+++ /dev/null
@@ -1,22 +0,0 @@
---- a/drivers/pci/host/Kconfig
-+++ b/drivers/pci/host/Kconfig
-@@ -125,4 +125,9 @@ config PCIE_IPROC_PLATFORM
- 	  Say Y here if you want to use the Broadcom iProc PCIe controller
- 	  through the generic platform bus interface
- 
-+config PCI_OXNAS
-+	bool "PLX Oxnas PCIe controller"
-+	depends on ARCH_OXNAS
-+	select PCIEPORTBUS
-+
- endmenu
---- a/drivers/pci/host/Makefile
-+++ b/drivers/pci/host/Makefile
-@@ -3,6 +3,7 @@ obj-$(CONFIG_PCI_DRA7XX) += pci-dra7xx.o
- obj-$(CONFIG_PCI_EXYNOS) += pci-exynos.o
- obj-$(CONFIG_PCI_IMX6) += pci-imx6.o
- obj-$(CONFIG_PCI_MVEBU) += pci-mvebu.o
-+obj-$(CONFIG_PCI_OXNAS) += pcie-oxnas.o
- obj-$(CONFIG_PCI_TEGRA) += pci-tegra.o
- obj-$(CONFIG_PCI_RCAR_GEN2) += pci-rcar-gen2.o
- obj-$(CONFIG_PCI_RCAR_GEN2_PCIE) += pcie-rcar.o
diff --git a/target/linux/oxnas/patches-4.1/350-oxnas-reset.patch b/target/linux/oxnas/patches-4.1/350-oxnas-reset.patch
deleted file mode 100644
index 1cecd28dc7..0000000000
--- a/target/linux/oxnas/patches-4.1/350-oxnas-reset.patch
+++ /dev/null
@@ -1,20 +0,0 @@
---- a/drivers/reset/Kconfig
-+++ b/drivers/reset/Kconfig
-@@ -12,4 +12,9 @@ menuconfig RESET_CONTROLLER
- 
- 	  If unsure, say no.
- 
-+config RESET_CONTROLLER_OXNAS
-+	bool
-+	select RESET_CONTROLLER
-+
- source "drivers/reset/sti/Kconfig"
-+
---- a/drivers/reset/Makefile
-+++ b/drivers/reset/Makefile
-@@ -1,4 +1,5 @@
- obj-$(CONFIG_RESET_CONTROLLER) += core.o
-+obj-$(CONFIG_RESET_CONTROLLER_OXNAS) += reset-ox820.o
- obj-$(CONFIG_ARCH_SOCFPGA) += reset-socfpga.o
- obj-$(CONFIG_ARCH_BERLIN) += reset-berlin.o
- obj-$(CONFIG_ARCH_SUNXI) += reset-sunxi.o
diff --git a/target/linux/oxnas/patches-4.1/400-oxnas-nand.patch b/target/linux/oxnas/patches-4.1/400-oxnas-nand.patch
deleted file mode 100644
index c59da359ba..0000000000
--- a/target/linux/oxnas/patches-4.1/400-oxnas-nand.patch
+++ /dev/null
@@ -1,25 +0,0 @@
---- a/drivers/mtd/nand/Kconfig
-+++ b/drivers/mtd/nand/Kconfig
-@@ -530,4 +530,12 @@ config MTD_NAND_HISI504
- 	help
- 	  Enables support for NAND controller on Hisilicon SoC Hip04.
- 
-+config MTD_NAND_OXNAS
-+	tristate "Support for NAND on Plxtech NAS782X SoC"
-+	depends on ARCH_OXNAS
-+	select MTD_NAND_PLATFORM
-+	help
-+	  Enables support for NAND Flash chips on Plxtech NAS782X SoCs. NAND is attached
-+	  to the STATIC Unit.
-+
- endif # MTD_NAND
---- a/drivers/mtd/nand/Makefile
-+++ b/drivers/mtd/nand/Makefile
-@@ -45,6 +45,7 @@ obj-$(CONFIG_MTD_NAND_SOCRATES)		+= socr
- obj-$(CONFIG_MTD_NAND_TXX9NDFMC)	+= txx9ndfmc.o
- obj-$(CONFIG_MTD_NAND_NUC900)		+= nuc900_nand.o
- obj-$(CONFIG_MTD_NAND_MPC5121_NFC)	+= mpc5121_nfc.o
-+obj-$(CONFIG_MTD_NAND_OXNAS)		+= oxnas_nand.o
- obj-$(CONFIG_MTD_NAND_RICOH)		+= r852.o
- obj-$(CONFIG_MTD_NAND_JZ4740)		+= jz4740_nand.o
- obj-$(CONFIG_MTD_NAND_GPMI_NAND)	+= gpmi-nand/
diff --git a/target/linux/oxnas/patches-4.1/500-oxnas-sata.patch b/target/linux/oxnas/patches-4.1/500-oxnas-sata.patch
deleted file mode 100644
index 8c59b219fd..0000000000
--- a/target/linux/oxnas/patches-4.1/500-oxnas-sata.patch
+++ /dev/null
@@ -1,26 +0,0 @@
---- a/drivers/ata/Kconfig
-+++ b/drivers/ata/Kconfig
-@@ -402,6 +402,13 @@ config SATA_VITESSE
- 
- 	  If unsure, say N.
- 
-+config SATA_OXNAS
-+	tristate "PLXTECH NAS782X SATA support"
-+	help
-+	  This option enables support for Nas782x Serial ATA controller.
-+
-+	  If unsure, say N.
-+
- comment "PATA SFF controllers with BMDMA"
- 
- config PATA_ALI
---- a/drivers/ata/Makefile
-+++ b/drivers/ata/Makefile
-@@ -37,6 +37,7 @@ obj-$(CONFIG_SATA_SVW)		+= sata_svw.o
- obj-$(CONFIG_SATA_ULI)		+= sata_uli.o
- obj-$(CONFIG_SATA_VIA)		+= sata_via.o
- obj-$(CONFIG_SATA_VITESSE)	+= sata_vsc.o
-+obj-$(CONFIG_SATA_OXNAS)	+= sata_oxnas.o
- 
- # SFF PATA w/ BMDMA
- obj-$(CONFIG_PATA_ALI)		+= pata_ali.o
diff --git a/target/linux/oxnas/patches-4.1/700-oxnas-dwmac.patch b/target/linux/oxnas/patches-4.1/700-oxnas-dwmac.patch
deleted file mode 100644
index 92d279e551..0000000000
--- a/target/linux/oxnas/patches-4.1/700-oxnas-dwmac.patch
+++ /dev/null
@@ -1,44 +0,0 @@
---- a/drivers/net/ethernet/stmicro/stmmac/Kconfig
-+++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig
-@@ -20,7 +20,7 @@ config STMMAC_PLATFORM
- 	---help---
- 	  This selects the platform specific bus support for the stmmac driver.
- 	  This is the driver used on several SoCs:
--	  STi, Allwinner, Amlogic Meson, Altera SOCFPGA.
-+	  STi, Allwinner, Amlogic Meson, Altera SOCFPGA and Oxnas.
- 
- 	  If you have a controller with this interface, say Y or M here.
- 
---- a/drivers/net/ethernet/stmicro/stmmac/Makefile
-+++ b/drivers/net/ethernet/stmicro/stmmac/Makefile
-@@ -5,8 +5,9 @@ stmmac-objs:= stmmac_main.o stmmac_ethto
- 	      mmc_core.o stmmac_hwtstamp.o stmmac_ptp.o $(stmmac-y)
- 
- obj-$(CONFIG_STMMAC_PLATFORM) += stmmac-platform.o
--stmmac-platform-objs:= stmmac_platform.o dwmac-meson.o dwmac-sunxi.o	\
--		       dwmac-sti.o dwmac-socfpga.o dwmac-rk.o
-+stmmac-platform-objs:= stmmac_platform.o dwmac-meson.o dwmac-oxnas.o	\
-+		       dwmac-sunxi.o dwmac-sti.o dwmac-socfpga.o	\
-+		       dwmac-rk.o
- 
- obj-$(CONFIG_STMMAC_PCI) += stmmac-pci.o
- stmmac-pci-objs:= stmmac_pci.o
---- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
-+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
-@@ -34,6 +34,7 @@
- 
- static const struct of_device_id stmmac_dt_ids[] = {
- 	/* SoC specific glue layers should come before generic bindings */
-+	{ .compatible = "plxtech,nas782x-gmac", .data = &oxnas_gmac_data},
- 	{ .compatible = "rockchip,rk3288-gmac", .data = &rk3288_gmac_data},
- 	{ .compatible = "amlogic,meson6-dwmac", .data = &meson6_dwmac_data},
- 	{ .compatible = "allwinner,sun7i-a20-gmac", .data = &sun7i_gmac_data},
---- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
-+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
-@@ -25,5 +25,6 @@ extern const struct stmmac_of_data stih4
- extern const struct stmmac_of_data stid127_dwmac_data;
- extern const struct stmmac_of_data socfpga_gmac_data;
- extern const struct stmmac_of_data rk3288_gmac_data;
-+extern const struct stmmac_of_data oxnas_gmac_data;
- 
- #endif /* __STMMAC_PLATFORM_H__ */
diff --git a/target/linux/oxnas/patches-4.1/800-oxnas-ehci.patch b/target/linux/oxnas/patches-4.1/800-oxnas-ehci.patch
deleted file mode 100644
index 87377e7cad..0000000000
--- a/target/linux/oxnas/patches-4.1/800-oxnas-ehci.patch
+++ /dev/null
@@ -1,26 +0,0 @@
---- a/drivers/usb/host/Kconfig
-+++ b/drivers/usb/host/Kconfig
-@@ -313,6 +313,13 @@ config USB_OCTEON_EHCI
- 	  USB 2.0 device support.  All CN6XXX based chips with USB are
- 	  supported.
- 
-+config USB_EHCI_OXNAS
-+	tristate "OXNAS EHCI Module"
-+	depends on USB_EHCI_HCD && ARCH_OXNAS
-+	select USB_EHCI_ROOT_HUB_TT
-+	---help---
-+	  Enable support for the OX820 SOC's on-chip EHCI controller.
-+
- endif # USB_EHCI_HCD
- 
- config USB_OXU210HP_HCD
---- a/drivers/usb/host/Makefile
-+++ b/drivers/usb/host/Makefile
-@@ -39,6 +39,7 @@ obj-$(CONFIG_USB_EHCI_HCD_AT91) += ehci-
- obj-$(CONFIG_USB_EHCI_MSM)	+= ehci-msm.o
- obj-$(CONFIG_USB_EHCI_TEGRA)	+= ehci-tegra.o
- obj-$(CONFIG_USB_W90X900_EHCI)	+= ehci-w90x900.o
-+obj-$(CONFIG_USB_EHCI_OXNAS)	+= ehci-oxnas.o
- 
- obj-$(CONFIG_USB_OXU210HP_HCD)	+= oxu210hp-hcd.o
- obj-$(CONFIG_USB_ISP116X_HCD)	+= isp116x-hcd.o
diff --git a/target/linux/oxnas/patches-4.1/900-more-boards.patch b/target/linux/oxnas/patches-4.1/900-more-boards.patch
deleted file mode 100644
index af4831eb01..0000000000
--- a/target/linux/oxnas/patches-4.1/900-more-boards.patch
+++ /dev/null
@@ -1,14 +0,0 @@
---- a/arch/arm/boot/dts/Makefile
-+++ b/arch/arm/boot/dts/Makefile
-@@ -442,7 +442,10 @@ dtb-$(CONFIG_ARCH_ORION5X) += \
- 	orion5x-lacie-ethernet-disk-mini-v2.dtb \
- 	orion5x-maxtor-shared-storage-2.dtb \
- 	orion5x-rd88f5182-nas.dtb
--dtb-$(CONFIG_ARCH_OXNAS) += ox820-pogoplug-pro.dtb
-+dtb-$(CONFIG_ARCH_OXNAS) += ox820-pogoplug-pro.dtb \
-+	ox820-pogoplug-v3.dtb \
-+	ox820-stg212.dtb \
-+	ox820-kd20.dtb
- dtb-$(CONFIG_ARCH_PRIMA2) += \
- 	prima2-evb.dtb
- dtb-$(CONFIG_ARCH_QCOM) += \
diff --git a/target/linux/oxnas/patches-4.1/999-libata-hacks.patch b/target/linux/oxnas/patches-4.1/999-libata-hacks.patch
deleted file mode 100644
index 7d6670be56..0000000000
--- a/target/linux/oxnas/patches-4.1/999-libata-hacks.patch
+++ /dev/null
@@ -1,57 +0,0 @@
---- a/drivers/ata/libata-core.c
-+++ b/drivers/ata/libata-core.c
-@@ -1589,6 +1589,14 @@ unsigned ata_exec_internal_sg(struct ata
- 		return AC_ERR_SYSTEM;
- 	}
- 
-+	if (ap->ops->acquire_hw && !ap->ops->acquire_hw(ap, 0, 0)) {
-+		spin_unlock_irqrestore(ap->lock, flags);
-+		if (!ap->ops->acquire_hw(ap, 1, (2*HZ))) {
-+			return AC_ERR_TIMEOUT;
-+		}
-+		spin_lock_irqsave(ap->lock, flags);
-+	}
-+
- 	/* initialize internal qc */
- 
- 	/* XXX: Tag 0 is used for drivers with legacy EH as some
-@@ -4780,6 +4788,9 @@ struct ata_queued_cmd *ata_qc_new_init(s
- 	if (unlikely(ap->pflags & ATA_PFLAG_FROZEN))
- 		return NULL;
- 
-+	if (ap->ops->qc_new && ap->ops->qc_new(ap))
-+		return NULL;
-+
- 	/* libsas case */
- 	if (ap->flags & ATA_FLAG_SAS_HOST) {
- 		tag = ata_sas_allocate_tag(ap);
-@@ -4825,6 +4836,8 @@ void ata_qc_free(struct ata_queued_cmd *
- 		qc->tag = ATA_TAG_POISON;
- 		if (ap->flags & ATA_FLAG_SAS_HOST)
- 			ata_sas_free_tag(tag, ap);
-+		if (ap->ops->qc_free)
-+			ap->ops->qc_free(qc);
- 	}
- }
- 
---- a/include/linux/libata.h
-+++ b/include/linux/libata.h
-@@ -905,6 +905,8 @@ 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);
-+	int (*qc_new)(struct ata_port *ap);
-+	void (*qc_free)(struct ata_queued_cmd *qc);
- 
- 	/*
- 	 * Configuration and exception handling
-@@ -995,6 +997,9 @@ struct ata_port_operations {
- 	void (*phy_reset)(struct ata_port *ap);
- 	void (*eng_timeout)(struct ata_port *ap);
- 
-+	int (*acquire_hw)(struct ata_port *ap, int may_sleep,
-+			  int timeout_jiffies);
-+
- 	/*
- 	 * ->inherits must be the last field and all the preceding
- 	 * fields must be pointers.