From: Tudor Ambarus <tudor.ambarus@linaro.org>
To: "Marco Felsch" <m.felsch@pengutronix.de>,
"Miquel Raynal" <miquel.raynal@bootlin.com>,
"Richard Weinberger" <richard@nod.at>,
"Vignesh Raghavendra" <vigneshr@ti.com>,
"Arnd Bergmann" <arnd@arndb.de>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Bartosz Golaszewski" <brgl@bgdev.pl>,
"Russell King" <linux@armlinux.org.uk>,
"Joel Stanley" <joel@jms.id.au>,
"Andrew Jeffery" <andrew@codeconstruct.com.au>,
"Nicolas Ferre" <nicolas.ferre@microchip.com>,
"Alexandre Belloni" <alexandre.belloni@bootlin.com>,
"Claudiu Beznea" <claudiu.beznea@tuxon.dev>,
"Shawn Guo" <shawnguo@kernel.org>,
"Sascha Hauer" <s.hauer@pengutronix.de>,
"Pengutronix Kernel Team" <kernel@pengutronix.de>,
"Fabio Estevam" <festevam@gmail.com>,
"Vladimir Zapolskiy" <vz@mleia.com>,
"Andrew Lunn" <andrew@lunn.ch>,
"Gregory Clement" <gregory.clement@bootlin.com>,
"Sebastian Hesselbarth" <sebastian.hesselbarth@gmail.com>,
"Tony Lindgren" <tony@atomide.com>,
"Geert Uytterhoeven" <geert+renesas@glider.be>,
"Magnus Damm" <magnus.damm@gmail.com>,
"Dinh Nguyen" <dinguyen@kernel.org>,
"Thierry Reding" <thierry.reding@gmail.com>,
"Jonathan Hunter" <jonathanh@nvidia.com>,
"Jonathan Neuschäfer" <j.neuschaefer@gmx.net>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Nicholas Piggin" <npiggin@gmail.com>,
"Christophe Leroy" <christophe.leroy@csgroup.eu>,
"Naveen N. Rao" <naveen.n.rao@linux.ibm.com>,
"Thomas Bogendoerfer" <tsbogend@alpha.franken.de>,
"Huacai Chen" <chenhuacai@kernel.org>,
"WANG Xuerui" <kernel@xen0n.name>
Cc: imx@lists.linux.dev, linux-aspeed@lists.ozlabs.org,
openbmc@lists.ozlabs.org, linux-kernel@vger.kernel.org,
linux-mips@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
linux-mtd@lists.infradead.org, linux-i2c@vger.kernel.org,
loongarch@lists.linux.dev, linux-tegra@vger.kernel.org,
linux-omap@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 4/9] mtd: devices: add AT24 eeprom support
Date: Mon, 1 Jul 2024 17:14:14 +0100 [thread overview]
Message-ID: <07b701a9-7b52-45b7-8dba-1c25d77cbf15@linaro.org> (raw)
In-Reply-To: <20240701-b4-v6-10-topic-usbc-tcpci-v1-4-3fd5f4a193cc@pengutronix.de>
On 7/1/24 2:53 PM, Marco Felsch wrote:
> EEPROMs can become quite large nowadays (>=64K). Exposing such devices
> as single device isn't always sufficient. There may be partitions which
> require different access permissions. Also write access always need to
> to verify the offset.
>
> Port the current misc/eeprom/at24.c driver to the MTD framework since
> EEPROMs are memory-technology devices and the framework already supports
I was under the impression that MTD devices are tightly coupled by erase
blocks. But then we see MTD_NO_ERASE, so what are MTD devices after all?
> partitioning. This allow using of-paritions like we do for SPI-NOR
> devices already:
next prev parent reply other threads:[~2024-07-01 16:15 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-01 13:53 [PATCH 0/9] AT24 EEPROM MTD Support Marco Felsch
2024-07-01 13:53 ` [PATCH 1/9] mtd: core: add nvmem_write support Marco Felsch
2024-07-01 13:53 ` [PATCH 2/9] mtd: add mtd_is_master helper Marco Felsch
2024-07-01 16:14 ` Sergei Shtylyov
2024-07-02 8:22 ` Marco Felsch
2024-07-01 13:53 ` [PATCH 3/9] mtd: add support to handle EEPROM devices Marco Felsch
2024-07-01 13:53 ` [PATCH 4/9] mtd: devices: add AT24 eeprom support Marco Felsch
2024-07-01 16:14 ` Tudor Ambarus [this message]
2024-07-02 13:41 ` Pratyush Yadav
2024-07-02 13:56 ` Maxime Ripard
2024-07-02 14:15 ` Pratyush Yadav
2024-07-02 14:34 ` Maxime Ripard
2024-07-08 6:44 ` Miquel Raynal
2024-07-09 9:22 ` Marco Felsch
2024-07-09 9:43 ` Miquel Raynal
2024-07-09 10:38 ` Marco Felsch
2024-07-17 8:19 ` Miquel Raynal
2024-07-18 9:17 ` Marco Felsch
2024-08-23 15:37 ` Miquel Raynal
2024-07-01 13:53 ` [PATCH 5/9] ARM: defconfig: convert to MTD_EEPROM_AT24 Marco Felsch
2024-07-10 12:48 ` Arnd Bergmann
2024-07-10 12:59 ` Bartosz Golaszewski
2024-07-10 14:06 ` Arnd Bergmann
2024-07-01 13:53 ` [PATCH 6/9] powerpc: " Marco Felsch
2024-07-01 13:53 ` [PATCH 7/9] MIPS: configs: " Marco Felsch
2024-07-01 13:53 ` [PATCH 8/9] LoongArch: " Marco Felsch
2024-07-01 13:53 ` [PATCH 9/9] eeprom: at24: remove deprecated Kconfig symbol Marco Felsch
2024-07-02 8:57 ` Bartosz Golaszewski
2024-07-02 9:15 ` Marco Felsch
2024-08-23 16:24 ` [PATCH 0/9] AT24 EEPROM MTD Support Andy Shevchenko
2024-08-26 7:51 ` Marco Felsch
2024-08-26 10:32 ` Andy Shevchenko
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