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Message-Id: <20240701-b4-v6-10-topic-usbc-tcpci-v1-0-3fd5f4a193cc@pengutronix.de>
Date: Mon, 01 Jul 2024 15:53:39 +0200
From: Marco Felsch <m.felsch@...gutronix.de>
To: Miquel Raynal <miquel.raynal@...tlin.com>,
Richard Weinberger <richard@....at>, Vignesh Raghavendra <vigneshr@...com>,
Arnd Bergmann <arnd@...db.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Bartosz Golaszewski <brgl@...ev.pl>, Russell King <linux@...linux.org.uk>,
Joel Stanley <joel@....id.au>, Andrew Jeffery <andrew@...econstruct.com.au>,
Nicolas Ferre <nicolas.ferre@...rochip.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Claudiu Beznea <claudiu.beznea@...on.dev>, Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>, Vladimir Zapolskiy <vz@...ia.com>,
Andrew Lunn <andrew@...n.ch>, Gregory Clement <gregory.clement@...tlin.com>,
Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
Tony Lindgren <tony@...mide.com>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Magnus Damm <magnus.damm@...il.com>, Dinh Nguyen <dinguyen@...nel.org>,
Thierry Reding <thierry.reding@...il.com>,
Jonathan Hunter <jonathanh@...dia.com>,
Jonathan Neuschäfer <j.neuschaefer@....net>,
Michael Ellerman <mpe@...erman.id.au>, Nicholas Piggin <npiggin@...il.com>,
Christophe Leroy <christophe.leroy@...roup.eu>,
"Naveen N. Rao" <naveen.n.rao@...ux.ibm.com>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
Huacai Chen <chenhuacai@...nel.org>, WANG Xuerui <kernel@...0n.name>
Cc: linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-i2c@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-aspeed@...ts.ozlabs.org, imx@...ts.linux.dev,
linux-omap@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
linux-tegra@...r.kernel.org, openbmc@...ts.ozlabs.org,
linuxppc-dev@...ts.ozlabs.org, linux-mips@...r.kernel.org,
loongarch@...ts.linux.dev, Marco Felsch <m.felsch@...gutronix.de>
Subject: [PATCH 0/9] AT24 EEPROM MTD Support
This series adds the intial support to handle EEPROMs via the MTD layer
as well. This allow the user-space to have separate paritions since
EEPROMs can become quite large nowadays.
With this patchset applied EEPROMs can be accessed via:
- legacy 'eeprom' device
- nvmem device
- mtd device(s)
The patchset targets only the AT24 (I2C) EEPROMs since I have no access
to AT25 (SPI) EEPROMs nor to one of the other misc/eeprom/* devices.
Note: I'm not familiar with Kconfig symbol migration so I don't know if
the last patch is required at the moment. Please be notified that the
list of recipients is quite large due to the defconfig changes.
Regards,
Marco
Signed-off-by: Marco Felsch <m.felsch@...gutronix.de>
---
Marco Felsch (9):
mtd: core: add nvmem_write support
mtd: add mtd_is_master helper
mtd: add support to handle EEPROM devices
mtd: devices: add AT24 eeprom support
ARM: defconfig: convert to MTD_EEPROM_AT24
powerpc: convert to MTD_EEPROM_AT24
MIPS: configs: convert to MTD_EEPROM_AT24
LoongArch: convert to MTD_EEPROM_AT24
eeprom: at24: remove deprecated Kconfig symbol
MAINTAINERS | 2 +-
arch/arm/configs/aspeed_g4_defconfig | 2 +-
arch/arm/configs/aspeed_g5_defconfig | 2 +-
arch/arm/configs/at91_dt_defconfig | 2 +-
arch/arm/configs/axm55xx_defconfig | 2 +-
arch/arm/configs/davinci_all_defconfig | 2 +-
arch/arm/configs/imx_v4_v5_defconfig | 2 +-
arch/arm/configs/imx_v6_v7_defconfig | 2 +-
arch/arm/configs/ixp4xx_defconfig | 2 +-
arch/arm/configs/keystone_defconfig | 2 +-
arch/arm/configs/lpc18xx_defconfig | 2 +-
arch/arm/configs/lpc32xx_defconfig | 2 +-
arch/arm/configs/multi_v5_defconfig | 2 +-
arch/arm/configs/multi_v7_defconfig | 2 +-
arch/arm/configs/mvebu_v5_defconfig | 2 +-
arch/arm/configs/mvebu_v7_defconfig | 2 +-
arch/arm/configs/mxs_defconfig | 2 +-
arch/arm/configs/omap2plus_defconfig | 2 +-
arch/arm/configs/pxa_defconfig | 2 +-
arch/arm/configs/s3c6400_defconfig | 2 +-
arch/arm/configs/sama5_defconfig | 2 +-
arch/arm/configs/sama7_defconfig | 2 +-
arch/arm/configs/shmobile_defconfig | 2 +-
arch/arm/configs/socfpga_defconfig | 2 +-
arch/arm/configs/tegra_defconfig | 2 +-
arch/arm/configs/wpcm450_defconfig | 2 +-
arch/loongarch/configs/loongson3_defconfig | 2 +-
arch/mips/configs/cavium_octeon_defconfig | 2 +-
arch/mips/configs/db1xxx_defconfig | 2 +-
arch/powerpc/configs/44x/warp_defconfig | 2 +-
arch/powerpc/configs/mpc512x_defconfig | 2 +-
arch/powerpc/configs/mpc5200_defconfig | 2 +-
arch/powerpc/configs/ppc6xx_defconfig | 2 +-
arch/powerpc/configs/skiroot_defconfig | 2 +-
drivers/misc/eeprom/Kconfig | 31 -------
drivers/misc/eeprom/Makefile | 1 -
drivers/mtd/devices/Kconfig | 31 +++++++
drivers/mtd/devices/Makefile | 1 +
drivers/{misc/eeprom => mtd/devices}/at24.c | 122 +++++++++++++++-------------
drivers/mtd/mtdcore.c | 49 ++++++++++-
include/linux/mtd/mtd.h | 5 ++
include/uapi/mtd/mtd-abi.h | 2 +
42 files changed, 187 insertions(+), 123 deletions(-)
---
base-commit: 1613e604df0cd359cf2a7fbd9be7a0bcfacfabd0
change-id: 20240701-b4-v6-10-topic-usbc-tcpci-c4bc9bcce604
Best regards,
--
Marco Felsch <m.felsch@...gutronix.de>
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