On Wed, 2024-02-21 at 01:11 +0000, Conor Dooley wrote: > On Wed, Feb 21, 2024 at 03:03:57AM +0800, Yangyu Chen wrote: > > The BUILTIN_DTB kernel feature on RISC-V only works on K210 SoC > > only. This > > patch moved this configuration to entire riscv. > > > > Signed-off-by: Yangyu Chen <cyy@xxxxxxxxxxxx> > > A passing remark here only: > The detail in the cover letter belongs in the commit message. There's > very little value in a cover letter for a one patch "series" - it > either will duplicate information from the commit message (and is > therefore useless) or, as in this case, splits information that > should > be in the commit message away from it. > > Thanks, > Conor. > Thanks. I will move these detailed reasons to commit message. I am waiting for other review comments before submitting patch v2. > > --- > > arch/riscv/Kconfig | 16 ++++++++++++++- > > arch/riscv/Kconfig.socs | 32 ------------------------- > > ---- > > arch/riscv/boot/dts/Makefile | 2 +- > > arch/riscv/boot/dts/canaan/Makefile | 2 -- > > 4 files changed, 16 insertions(+), 36 deletions(-) > > > > diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig > > index b49016bb5077..23d501561e64 100644 > > --- a/arch/riscv/Kconfig > > +++ b/arch/riscv/Kconfig > > @@ -996,7 +996,21 @@ config RISCV_ISA_FALLBACK > > config BUILTIN_DTB > > bool "Built-in device tree" > > depends on OF && NONPORTABLE > > - default y if XIP_KERNEL > > + default y if XIP_KERNEL || SOC_CANAAN > > + help > > + Build a device tree into the Linux image. > > + This option should be selected if no bootloader is being > > used. > > + If unsure, say Y. > > + > > + > > +config BUILTIN_DTB_SOURCE > > + string "Built-in device tree source" > > + depends on BUILTIN_DTB > > + default "canaan/k210_generic" if SOC_CANAAN > > + help > > + DTS file path (without suffix, relative to > > arch/riscv/boot/dts) > > + for the DTS file that will be used to produce the DTB > > linked into the > > + kernel. > > > > endmenu # "Boot options" > > > > diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs > > index e08e91c49abe..623de5f8a208 100644 > > --- a/arch/riscv/Kconfig.socs > > +++ b/arch/riscv/Kconfig.socs > > @@ -84,36 +84,4 @@ config SOC_CANAAN > > help > > This enables support for Canaan Kendryte K210 SoC > > platform hardware. > > > > -if ARCH_CANAAN > > - > > -config ARCH_CANAAN_K210_DTB_BUILTIN > > - def_bool SOC_CANAAN_K210_DTB_BUILTIN > > - > > -config SOC_CANAAN_K210_DTB_BUILTIN > > - bool "Builtin device tree for the Canaan Kendryte K210" > > - depends on ARCH_CANAAN > > - default y > > - select OF > > - select BUILTIN_DTB > > - help > > - Build a device tree for the Kendryte K210 into the Linux > > image. > > - This option should be selected if no bootloader is being > > used. > > - If unsure, say Y. > > - > > -config ARCH_CANAAN_K210_DTB_SOURCE > > - string > > - default SOC_CANAAN_K210_DTB_SOURCE > > - > > -config SOC_CANAAN_K210_DTB_SOURCE > > - string "Source file for the Canaan Kendryte K210 builtin > > DTB" > > - depends on ARCH_CANAAN > > - depends on ARCH_CANAAN_K210_DTB_BUILTIN > > - default "k210_generic" > > - help > > - Base name (without suffix, relative to > > arch/riscv/boot/dts/canaan) > > - for the DTS file that will be used to produce the DTB > > linked into the > > - kernel. > > - > > -endif # ARCH_CANAAN > > - > > endmenu # "SoC selection" > > diff --git a/arch/riscv/boot/dts/Makefile > > b/arch/riscv/boot/dts/Makefile > > index 72030fd727af..318239d9423b 100644 > > --- a/arch/riscv/boot/dts/Makefile > > +++ b/arch/riscv/boot/dts/Makefile > > @@ -8,4 +8,4 @@ subdir-y += sophgo > > subdir-y += starfive > > subdir-y += thead > > > > -obj-$(CONFIG_BUILTIN_DTB) := $(addsuffix /, $(subdir-y)) > > +obj-$(CONFIG_BUILTIN_DTB) := $(addsuffix .dtb.o, > > $(CONFIG_BUILTIN_DTB_SOURCE)) > > \ No newline at end of file I should keep the newline at EOF, I will fix this for patch v2. > > diff --git a/arch/riscv/boot/dts/canaan/Makefile > > b/arch/riscv/boot/dts/canaan/Makefile > > index 520623264c87..987d1f0c41f0 100644 > > --- a/arch/riscv/boot/dts/canaan/Makefile > > +++ b/arch/riscv/boot/dts/canaan/Makefile > > @@ -5,5 +5,3 @@ dtb-$(CONFIG_ARCH_CANAAN) += sipeed_maix_bit.dtb > > dtb-$(CONFIG_ARCH_CANAAN) += sipeed_maix_dock.dtb > > dtb-$(CONFIG_ARCH_CANAAN) += sipeed_maix_go.dtb > > dtb-$(CONFIG_ARCH_CANAAN) += sipeed_maixduino.dtb > > - > > -obj-$(CONFIG_ARCH_CANAAN_K210_DTB_BUILTIN) += $(addsuffix .dtb.o, > > $(CONFIG_ARCH_CANAAN_K210_DTB_SOURCE)) > > -- > > 2.43.0 > > > > > > _______________________________________________ > > linux-riscv mailing list > > linux-riscv@xxxxxxxxxxxxxxxxxxx > > http://lists.infradead.org/mailman/listinfo/linux-riscv