add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/nios2/Kconfig
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@@ -1,10 +1,13 @@
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 # SPDX-License-Identifier: GPL-2.0
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 config NIOS2
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 	def_bool y
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+	select ARCH_32BIT_OFF_T
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+	select ARCH_HAS_DMA_PREP_COHERENT
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 	select ARCH_HAS_SYNC_DMA_FOR_CPU
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 	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
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+	select ARCH_HAS_DMA_SET_UNCACHED
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 	select ARCH_NO_SWAP
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-	select DMA_NONCOHERENT_OPS
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+	select COMMON_CLK
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 	select TIMER_OF
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 	select GENERIC_ATOMIC64
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 	select GENERIC_CLOCKEVENTS
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@@ -23,6 +26,8 @@
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 	select SPARSE_IRQ
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 	select USB_ARCH_HAS_HCD if USB_SUPPORT
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 	select CPU_NO_EFFICIENT_FFS
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+	select MMU_GATHER_NO_RANGE if MMU
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+	select SET_FS
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 config GENERIC_CSUM
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 	def_bool y
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@@ -36,14 +41,8 @@
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 config NO_IOPORT_MAP
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 	def_bool y
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-config HAS_DMA
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-	def_bool y
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-
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 config FPU
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 	def_bool n
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-
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-config RWSEM_GENERIC_SPINLOCK
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-	def_bool y
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 config TRACE_IRQFLAGS_SUPPORT
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 	def_bool n
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@@ -125,7 +124,6 @@
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 config NIOS2_PASS_CMDLINE
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 	bool "Passed kernel command line from u-boot"
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-	default n
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 	help
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 	  Use bootargs env variable from u-boot for kernel command line.
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 	  will override "Default kernel command string".