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Sun, 15 Jan 2023 20:17:56 -0800 (PST) Date: Mon, 16 Jan 2023 13:17:53 +0900 From: AKASHI Takahiro To: Tom Rini Cc: u-boot@lists.denx.de, Simon Glass , Oliver Graute , Francesco Dolcini Subject: Re: [PATCH 2/2] event: Correct dependencies on the EVENT framework Message-ID: <20230116041753.GB14839@laputa> Mail-Followup-To: AKASHI Takahiro , Tom Rini , u-boot@lists.denx.de, Simon Glass , Oliver Graute , Francesco Dolcini References: <20230114204936.3832739-1-trini@konsulko.com> <20230114204936.3832739-2-trini@konsulko.com> <20230116031050.GA14839@laputa> <20230116031511.GN3880571@bill-the-cat> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="ibTvN161/egqYuK8" Content-Disposition: inline In-Reply-To: <20230116031511.GN3880571@bill-the-cat> X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.6 at phobos.denx.de X-Virus-Status: Clean --ibTvN161/egqYuK8 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Jan 15, 2023 at 10:15:11PM -0500, Tom Rini wrote: > On Mon, Jan 16, 2023 at 12:10:50PM +0900, AKASHI Takahiro wrote: > > Hi Tom, > >=20 > > On Sat, Jan 14, 2023 at 03:49:36PM -0500, Tom Rini wrote: > > > The event framework is just that, a framework. Enabling it by itself > > > does nothing, so we shouldn't ask the user about it. Reword (and corr= ect > > > typos) around this the option and help text. This also applies to > > > DM_EVENT, so reword as well. > > >=20 > > > With this, it's time to address the larger problems. When functionali= ty > > > uses events, typically via EVENT_SPY, the appropriate framework then > > > must be select'd and NOT imply'd. As the functionality will cease to > > > work (and so, platforms will fail to boot) this is non-optional and > > > where select is appropriate. Audit the current users of EVENT_SPY to > > > have a more fine-grained approach to select'ing the framework where > > > used. > > >=20 > > > Cc: Simon Glass > > > Reported-by: Oliver Graute > > > Reported-by: Francesco Dolcini > > > Fixes: 7fe32b3442f0 ("event: Convert arch_cpu_init_dm() to use events= ") > > > Fixes: 42fdcebf859f ("event: Convert misc_init_f() to use events") > > > Signed-off-by: Tom Rini > > > --- > > > arch/Kconfig | 6 +++--- > > > arch/arm/Kconfig | 9 ++++----- > > > arch/arm/mach-omap2/Kconfig | 3 +++ > > > arch/mips/Kconfig | 2 +- > > > arch/powerpc/cpu/mpc85xx/Kconfig | 1 + > > > arch/x86/Kconfig | 1 + > > > arch/x86/cpu/baytrail/Kconfig | 1 + > > > arch/x86/cpu/broadwell/Kconfig | 1 + > > > arch/x86/cpu/ivybridge/Kconfig | 1 + > > > arch/x86/cpu/quark/Kconfig | 1 + > > > board/google/Kconfig | 1 + > > > board/keymile/Kconfig | 1 + > > > boot/Kconfig | 1 + > > > cmd/Kconfig | 1 + > > > common/Kconfig | 17 ++++++++--------- > > > drivers/core/Kconfig | 9 +++++---- > > > drivers/cpu/Kconfig | 1 - > > > lib/efi_loader/Kconfig | 5 ++--- > > > 18 files changed, 36 insertions(+), 26 deletions(-) > > >=20 > > > diff --git a/arch/Kconfig b/arch/Kconfig > > > index 8fb87b7d857c..d30676ae817b 100644 > > > --- a/arch/Kconfig > > > +++ b/arch/Kconfig > > > @@ -93,7 +93,7 @@ config NIOS2 > > > bool "Nios II architecture" > > > select CPU > > > select DM > > > - imply DM_EVENT > > > + select DM_EVENT > > > select OF_CONTROL > > > select SUPPORT_OF_CONTROL > > > imply CMD_DM > > > @@ -111,9 +111,9 @@ config RISCV > > > select SUPPORT_OF_CONTROL > > > select OF_CONTROL > > > select DM > > > + select DM_EVENT > > > imply SPL_SEPARATE_BSS if SPL > > > imply DM_SERIAL > > > - imply DM_EVENT > > > imply DM_MMC > > > imply DM_SPI > > > imply DM_SPI_FLASH > > > @@ -136,6 +136,7 @@ config SANDBOX > > > select BZIP2 > > > select CMD_POWEROFF > > > select DM > > > + select DM_EVENT > > > select DM_FUZZING_ENGINE > > > select DM_GPIO > > > select DM_I2C > > > @@ -240,7 +241,6 @@ config X86 > > > imply CMD_SF > > > imply CMD_SF_TEST > > > imply CMD_ZBOOT > > > - imply DM_EVENT > > > imply DM_GPIO > > > imply DM_KEYBOARD > > > imply DM_MMC > > > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > > > index bbf1d5227b3f..c9a44ebc2213 100644 > > > --- a/arch/arm/Kconfig > > > +++ b/arch/arm/Kconfig > > > @@ -778,7 +778,6 @@ config ARCH_OMAP2PLUS > > > select SUPPORT_SPL > > > imply TI_SYSC if DM && OF_CONTROL > > > imply FIT > > > - imply DM_EVENT > > > imply SPL_SEPARATE_BSS > > > =20 > > > config ARCH_MESON > > > @@ -823,11 +822,11 @@ config ARCH_IMX8 > > > select SYS_FSL_SEC_COMPAT_4 > > > select SYS_FSL_SEC_LE > > > select DM > > > + select DM_EVENT > > > select GPIO_EXTRA_HEADER > > > select MACH_IMX > > > select OF_CONTROL > > > select ENABLE_ARM_SOC_BOOT0_HOOK > > > - imply DM_EVENT > > > =20 > > > config ARCH_IMX8M > > > bool "NXP i.MX8M platform" > > > @@ -839,14 +838,15 @@ config ARCH_IMX8M > > > select SYS_FSL_SEC_LE > > > select SYS_I2C_MXC > > > select DM > > > + select DM_EVENT if CLK > > > select SUPPORT_SPL > > > imply CMD_DM > > > - imply DM_EVENT > > > =20 > > > config ARCH_IMX8ULP > > > bool "NXP i.MX8ULP platform" > > > select ARM64 > > > select DM > > > + select DM_EVENT > > > select MACH_IMX > > > select OF_CONTROL > > > select SUPPORT_SPL > > > @@ -854,19 +854,18 @@ config ARCH_IMX8ULP > > > select MISC > > > select IMX_SENTINEL > > > imply CMD_DM > > > - imply DM_EVENT > > > =20 > > > config ARCH_IMX9 > > > bool "NXP i.MX9 platform" > > > select ARM64 > > > select DM > > > + select DM_EVENT > > > select MACH_IMX > > > select SUPPORT_SPL > > > select GPIO_EXTRA_HEADER > > > select MISC > > > select IMX_SENTINEL > > > imply CMD_DM > > > - imply DM_EVENT > > > =20 > > > config ARCH_IMXRT > > > bool "NXP i.MXRT platform" > > > diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig > > > index 1db71df27212..309b967b0dd5 100644 > > > --- a/arch/arm/mach-omap2/Kconfig > > > +++ b/arch/arm/mach-omap2/Kconfig > > > @@ -31,6 +31,7 @@ config OMAP34XX > > > =20 > > > config OMAP44XX > > > bool "OMAP44XX SoC" > > > + select DM_EVENT > > > select SPL_USE_TINY_PRINTF > > > select SPL_SYS_NO_VECTOR_TABLE if SPL > > > imply NAND_OMAP_ELM > > > @@ -55,6 +56,7 @@ config OMAP54XX > > > bool "OMAP54XX SoC" > > > select ARM_CORTEX_A15_CVE_2017_5715 > > > select ARM_ERRATA_798870 > > > + select DM_EVENT > > > select SYS_THUMB_BUILD > > > imply NAND_OMAP_ELM > > > imply NAND_OMAP_GPMC > > > @@ -111,6 +113,7 @@ config AM43XX > > > config AM33XX > > > bool "AM33XX SoC" > > > select ARM_CORTEX_A8_CVE_2017_5715 > > > + select DM_EVENT > > > select SPECIFY_CONSOLE_INDEX > > > imply NAND_OMAP_ELM > > > imply NAND_OMAP_GPMC > > > diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig > > > index 23142bd2700d..569f5f48bc6c 100644 > > > --- a/arch/mips/Kconfig > > > +++ b/arch/mips/Kconfig > > > @@ -121,6 +121,7 @@ config MACH_PIC32 > > > bool "Support Microchip PIC32" > > > select HAS_FIXED_TIMER_FREQUENCY > > > select DM > > > + select DM_EVENT > > > select OF_CONTROL > > > imply CMD_DM > > > =20 > > > @@ -128,7 +129,6 @@ config TARGET_BOSTON > > > bool "Support Boston" > > > select HAS_FIXED_TIMER_FREQUENCY > > > select DM > > > - imply DM_EVENT > > > select DM_SERIAL > > > select MIPS_CM > > > select SYS_CACHE_SHIFT_6 > > > diff --git a/arch/powerpc/cpu/mpc85xx/Kconfig b/arch/powerpc/cpu/mpc8= 5xx/Kconfig > > > index 1b180481a483..2c54a9e2120f 100644 > > > --- a/arch/powerpc/cpu/mpc85xx/Kconfig > > > +++ b/arch/powerpc/cpu/mpc85xx/Kconfig > > > @@ -248,6 +248,7 @@ config TARGET_KMP204X > > > config TARGET_KMCENT2 > > > bool "Support kmcent2" > > > select VENDOR_KM > > > + select EVENT > > > select FSL_CORENET > > > select SYS_DPAA_FMAN > > > select SYS_DPAA_PME > > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > > > index 93f1c77be3f3..07be5cd05ec0 100644 > > > --- a/arch/x86/Kconfig > > > +++ b/arch/x86/Kconfig > > > @@ -395,6 +395,7 @@ config FSP_VERSION1 > > > =20 > > > config FSP_VERSION2 > > > bool "FSP version 2.x" > > > + select DM_EVENT > > > help > > > This covers versions 2.0 and 2.1. See here for details: > > > https://github.com/IntelFsp/fsp/wiki > > > diff --git a/arch/x86/cpu/baytrail/Kconfig b/arch/x86/cpu/baytrail/Kc= onfig > > > index d2c3473d6abf..a8efea8a3413 100644 > > > --- a/arch/x86/cpu/baytrail/Kconfig > > > +++ b/arch/x86/cpu/baytrail/Kconfig > > > @@ -7,6 +7,7 @@ config INTEL_BAYTRAIL > > > select HAVE_FSP > > > select ARCH_MISC_INIT > > > select CPU_INTEL_TURBO_NOT_PACKAGE_SCOPED > > > + select DM_EVENT > > > imply HAVE_INTEL_ME > > > imply ENABLE_MRC_CACHE > > > imply AHCI_PCI > > > diff --git a/arch/x86/cpu/broadwell/Kconfig b/arch/x86/cpu/broadwell/= Kconfig > > > index 5b015c89d950..39deda364479 100644 > > > --- a/arch/x86/cpu/broadwell/Kconfig > > > +++ b/arch/x86/cpu/broadwell/Kconfig > > > @@ -6,6 +6,7 @@ > > > config INTEL_BROADWELL > > > bool > > > select CACHE_MRC_BIN > > > + select DM_EVENT > > > select ARCH_EARLY_INIT_R > > > imply HAVE_INTEL_ME > > > imply ENABLE_MRC_CACHE > > > diff --git a/arch/x86/cpu/ivybridge/Kconfig b/arch/x86/cpu/ivybridge/= Kconfig > > > index be3ef5e5d8f8..704f145adf88 100644 > > > --- a/arch/x86/cpu/ivybridge/Kconfig > > > +++ b/arch/x86/cpu/ivybridge/Kconfig > > > @@ -8,6 +8,7 @@ > > > config NORTHBRIDGE_INTEL_IVYBRIDGE > > > bool > > > select CACHE_MRC_BIN if HAVE_MRC > > > + select DM_EVENT > > > imply HAVE_INTEL_ME > > > imply ENABLE_MRC_CACHE > > > imply AHCI_PCI > > > diff --git a/arch/x86/cpu/quark/Kconfig b/arch/x86/cpu/quark/Kconfig > > > index 61bb5792c868..0d4008a31f4c 100644 > > > --- a/arch/x86/cpu/quark/Kconfig > > > +++ b/arch/x86/cpu/quark/Kconfig > > > @@ -7,6 +7,7 @@ config INTEL_QUARK > > > select HAVE_RMU > > > select ARCH_EARLY_INIT_R > > > select ARCH_MISC_INIT > > > + select DM_EVENT > > > imply ENABLE_MRC_CACHE > > > imply ETH_DESIGNWARE > > > imply ICH_SPI > > > diff --git a/board/google/Kconfig b/board/google/Kconfig > > > index 0474b4e69384..a0f1a6097641 100644 > > > --- a/board/google/Kconfig > > > +++ b/board/google/Kconfig > > > @@ -18,6 +18,7 @@ choice > > > config TARGET_CHROMEBOOK_CORAL > > > bool "Chromebook coral" > > > select BIOSEMU > > > + select EVENT > > > help > > > This is a range of Intel-based laptops released in 2018. They use= an > > > Intel Apollo Lake SoC. The design supports WiFi, 4GB to 16GB of > > > diff --git a/board/keymile/Kconfig b/board/keymile/Kconfig > > > index e5d7c80a869d..bf899d005c46 100644 > > > --- a/board/keymile/Kconfig > > > +++ b/board/keymile/Kconfig > > > @@ -124,6 +124,7 @@ config SYS_IVM_EEPROM_PAGE_LEN > > > =20 > > > config PG_WCOM_UBOOT_UPDATE_SUPPORTED > > > bool "Enable U-boot Field Fail-Safe Update Functionality" > > > + select EVENT > > > default n > > > help > > > Indicates that field fail-safe u-boot update is supported. > > > diff --git a/boot/Kconfig b/boot/Kconfig > > > index 30bc182fcd5c..725afd36a3b9 100644 > > > --- a/boot/Kconfig > > > +++ b/boot/Kconfig > > > @@ -474,6 +474,7 @@ config BOOTMETH_VBE > > > depends on FIT > > > default y > > > select BOOTMETH_GLOBAL > > > + select EVENT > > > help > > > Enables support for VBE boot. This is a standard boot method which > > > supports selection of various firmware components, seleciton of a= n OS to > > > diff --git a/cmd/Kconfig b/cmd/Kconfig > > > index b2aefae9cb70..4fe2c75de256 100644 > > > --- a/cmd/Kconfig > > > +++ b/cmd/Kconfig > > > @@ -2622,6 +2622,7 @@ config CMD_DIAG > > > =20 > > > config CMD_EVENT > > > bool "event - Show information about events" > > > + depends on EVENT > > > default y if EVENT_DEBUG > > > help > > > This enables the 'event' command which provides information about > > > diff --git a/common/Kconfig b/common/Kconfig > > > index 73e3fe36573d..6f5aa4e53aae 100644 > > > --- a/common/Kconfig > > > +++ b/common/Kconfig > > > @@ -604,24 +604,23 @@ config CYCLIC_MAX_CPU_TIME_US > > > endif # CYCLIC > > > =20 > > > config EVENT > > > - bool "General-purpose event-handling mechanism" > > > - default y if SANDBOX > > > + bool > > > help > > > - This enables sending and processing of events, to allow interested > > > - parties to be alerted when something happens. This is an attempt = to > > > - stem the flow of weak functions, hooks, functions in board_f.c > > > - and board_r.c and the Kconfig options below. > > > + This adds a framework for general purpose sending and processing = of > > > + events, to allow interested parties to be alerted when something > > > + happens. This is an attempt to stem the flow of weak functions, > > > + hooks, functions in board_f.c and board_r.c and the Kconfig optio= ns > > > + below. > > > =20 > > > See doc/develop/event.rst for more information. > > > =20 > > > if EVENT > > > =20 > > > config EVENT_DYNAMIC > > > - bool "Support event registration at runtime" > > > - default y if SANDBOX > > > + bool > > > help > > > Enable this to support adding an event spy at runtime, without ad= ding > > > - it to the EVENT_SPy() linker list. This increases code size sligh= tly > > > + it to the EVENT_SPY() linker list. This increases code size sligh= tly > > > but provides more flexibility for boards and subsystems that need= it. > > > =20 > > > config EVENT_DEBUG > > > diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig > > > index 8fde77c23ee0..6fc8854b574b 100644 > > > --- a/drivers/core/Kconfig > > > +++ b/drivers/core/Kconfig > > > @@ -109,13 +109,14 @@ config DM_DEVICE_REMOVE > > > causes USB host controllers to not be stopped when booting the OS. > > > =20 > > > config DM_EVENT > > > - bool "Support events with driver model" > > > - depends on DM && EVENT > > > - default y if SANDBOX > > > + bool > > > + depends on DM > > > + select EVENT > > > help > > > This enables support for generating events related to driver model > > > operations, such as prbing or removing a device. Subsystems can > > > - register a 'spy' function that is called when the event occurs. > > > + register a 'spy' function that is called when the event occurs. S= uch > > > + subsystems must select this option. > > > =20 > > > config SPL_DM_DEVICE_REMOVE > > > bool "Support device removal in SPL" > > > diff --git a/drivers/cpu/Kconfig b/drivers/cpu/Kconfig > > > index 21874335c873..3bf04105e5e9 100644 > > > --- a/drivers/cpu/Kconfig > > > +++ b/drivers/cpu/Kconfig > > > @@ -23,7 +23,6 @@ config CPU_RISCV > > > config CPU_MICROBLAZE > > > bool "Enable Microblaze CPU driver" > > > depends on CPU && MICROBLAZE > > > - select EVENT > > > select DM_EVENT > > > select XILINX_MICROBLAZE0_PVR > > > help > > > diff --git a/lib/efi_loader/Kconfig b/lib/efi_loader/Kconfig > > > index b498c72206fd..d04203cddab4 100644 > > > --- a/lib/efi_loader/Kconfig > > > +++ b/lib/efi_loader/Kconfig > > > @@ -14,9 +14,8 @@ config EFI_LOADER > > > depends on !EFI_APP > > > default y if !ARM || SYS_CPU =3D armv7 || SYS_CPU =3D armv8 > > > select CHARSET > > > - select DM_EVENT > > > - select EVENT > > > - select EVENT_DYNAMIC > > > + select DM_EVENT if PARTITIONS > > > + select EVENT_DYNAMIC if EVENT > >=20 > > Since UEFI subsystem, in particular efi_disk, uses event_register() or > > EVENT_DYNAMIC directly, adding 'if EVENT' looks strange. > > Instead, I suggest that 'select EVENT' be added to CONFIG_EVENT_DYNAMIC > > and then we can safely > > select EVENT_DYNAMIC if PARTITIONS > > here. >=20 > How about "if PARTITIONS" for both? Dynamic events can be for any of the > types, so the EFI_LOADER part should be select'ing DM_EVENT and > EVENT_DYNAMIC. And the dynamic event code is a subset of the regular > event code. Okay, that is what I meant. -Takahiro Akashi >=20 > --=20 > Tom --ibTvN161/egqYuK8 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEjc56F+RxEkavfJvIJ6vpGq1myG0FAmPEz9wACgkQJ6vpGq1m yG0vZggAim9ygo+xE5jYU+ISP92++iY667xnTrthNvToJqOF/N4PB1jqHvx9yobv yShDt1WCq/TJyhLNZ9PRqUyPqYrcNwEX9Ck5y8rf826MYt3g5ODWYHmBwD+5+Je6 DKA60nFBMNtRFH8NE+Bc+MRkrMFVWzwziBwLfx0U5qfOPt+3B7Vq1PGvj/NpI/kF z+6zgZSynvzD4vlkUxwb8VJFybqDnNvIV+ULgaev/8fzVvy91TVsxF+CeW9u+Aym +uIGvlUlUgtNqkd08fM4JNOKFoaA8EjDPT47VyoZmkNLCP8eZxnB4JVE3pf7/JeX QEfHwndAAlwD8BHdOqRWyDdrjGMzcw== =1uXF -----END PGP SIGNATURE----- --ibTvN161/egqYuK8--