From: Alban <albeu@free.fr>
To: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: Alban Bedel <albeu@free.fr>,
Boris Brezillon <boris.brezillon@bootlin.com>,
Bartosz Golaszewski <brgl@bgdev.pl>,
Jonathan Corbet <corbet@lwn.net>, Sekhar Nori <nsekhar@ti.com>,
Kevin Hilman <khilman@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
David Woodhouse <dwmw2@infradead.org>,
Brian Norris <computersforpeace@gmail.com>,
Marek Vasut <marek.vasut@gmail.com>,
Richard Weinberger <richard@nod.at>,
Grygorii Strashko <grygorii.strashko@ti.com>,
"David S . Miller" <davem@davemloft.net>,
Naren <naren.kernel@gmail.com>,
Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Lukas Wunner <lukas@wunner.de>,
Dan Carpenter <dan.carpenter@oracle.com>,
Florian Fainelli <f.fainelli@gmail.com>,
Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>,
Sven Van Asbroeck <svendev@arcx.com>,
Paolo Abeni <pabeni@redhat.com>, Rob Herring <robh@kernel.org>,
David Lechner <david@lechnology.com>,
Andrew Lunn <andrew@lunn.ch>,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org,
linux-mtd@lists.infradead.org, linux-omap@vger.kernel.org,
netdev@vger.kernel.org,
Bartosz Golaszewski <bgolaszewski@baylibre.com>
Subject: Re: [PATCH v2 06/29] mtd: Add support for reading MTD devices via the nvmem API
Date: Tue, 21 Aug 2018 13:39:16 +0200 [thread overview]
Message-ID: <20180821133916.3a1c51b1@eos> (raw)
In-Reply-To: <e0ec3194-fd3a-9b3d-fba8-f88447eb56e9@linaro.org>
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On Tue, 21 Aug 2018 10:50:07 +0100
Srinivas Kandagatla <srinivas.kandagatla@linaro.org> wrote:
> Just curious...Is there a reason why we can't do it like this?:
> Is this because of issue of #address-cells and #size-cells Or mtd
> bindings always prefer subnodes?
>
> mtdnode {
> reg = <0x0123000 0x40000>;
> #address-cells = <1>;
> #size-cells = <1>;
> cell@0 {
> compatible = "nvmem-cell";
> reg = <0x0 0x14>;
> };
>
> partitions {
> compatible = "fixed-partitions";
> #address-cells = <1>;
> #size-cells = <1>;
>
> partition@0 {
> reg = <0x0 0x20000>;
> cell@0 {
> compatible = "nvmem-cell";
> reg = <0x0 0x10>;
> };
> };
> };
> };
That would work, the MTD partitions parser ignore child nodes with a
compatible string when looking for "old style" partitions, see [1].
However we still have the a potential address space clash between the
nvmem cells and the main device binding.
Alban
[1]: https://elixir.bootlin.com/linux/latest/source/drivers/mtd/ofpart.c#L28
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next prev parent reply other threads:[~2018-08-21 11:40 UTC|newest]
Thread overview: 92+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-10 8:04 [PATCH v2 00/29] at24: remove at24_platform_data Bartosz Golaszewski
2018-08-10 8:04 ` [PATCH v2 01/29] nvmem: add support for cell lookups Bartosz Golaszewski
2018-08-24 15:08 ` Boris Brezillon
2018-08-24 15:27 ` Andrew Lunn
2018-08-25 6:27 ` Boris Brezillon
2018-08-27 8:56 ` Bartosz Golaszewski
2018-08-27 9:00 ` Boris Brezillon
2018-08-27 13:37 ` Bartosz Golaszewski
2018-08-27 14:01 ` Boris Brezillon
2018-08-28 10:15 ` Srinivas Kandagatla
2018-08-28 11:56 ` Bartosz Golaszewski
2018-08-28 13:45 ` Srinivas Kandagatla
2018-08-28 14:41 ` Bartosz Golaszewski
2018-08-28 14:48 ` Srinivas Kandagatla
2018-08-28 14:53 ` Boris Brezillon
2018-08-28 15:09 ` Srinivas Kandagatla
2018-08-10 8:04 ` [PATCH v2 02/29] Documentation: nvmem: document lookup entries Bartosz Golaszewski
2018-08-31 20:30 ` Brian Norris
2018-09-01 13:11 ` Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 03/29] nvmem: add a notifier chain Bartosz Golaszewski
2018-08-10 8:33 ` Srinivas Kandagatla
2018-08-10 8:05 ` [PATCH v2 04/29] nvmem: provide nvmem_dev_name() Bartosz Golaszewski
2018-08-10 8:10 ` Srinivas Kandagatla
2018-08-10 8:05 ` [PATCH v2 05/29] nvmem: remove the name field from struct nvmem_device Bartosz Golaszewski
2018-08-10 8:33 ` Srinivas Kandagatla
2018-08-10 8:05 ` [PATCH v2 06/29] mtd: Add support for reading MTD devices via the nvmem API Bartosz Golaszewski
2018-08-17 16:27 ` Boris Brezillon
2018-08-19 11:31 ` Alban
2018-08-19 16:46 ` Boris Brezillon
2018-08-20 10:43 ` Srinivas Kandagatla
2018-08-20 18:20 ` Boris Brezillon
2018-08-20 18:50 ` Bartosz Golaszewski
2018-08-20 19:06 ` Boris Brezillon
2018-08-20 21:27 ` Alban
2018-08-21 5:07 ` Boris Brezillon
2018-08-21 9:50 ` Srinivas Kandagatla
2018-08-21 9:56 ` Boris Brezillon
2018-08-21 10:11 ` Srinivas Kandagatla
2018-08-21 10:43 ` Boris Brezillon
2018-08-21 11:39 ` Alban [this message]
2018-08-21 12:00 ` Srinivas Kandagatla
2018-08-21 13:01 ` Boris Brezillon
2018-08-23 10:29 ` Alban
2018-08-24 14:39 ` Boris Brezillon
2018-08-28 10:20 ` Srinivas Kandagatla
2018-08-20 22:53 ` Alban
2018-08-21 5:44 ` Boris Brezillon
2018-08-21 9:38 ` Srinivas Kandagatla
2018-08-21 11:31 ` Boris Brezillon
2018-08-21 13:34 ` Srinivas Kandagatla
2018-08-21 13:37 ` Srinivas Kandagatla
2018-08-21 13:57 ` Boris Brezillon
2018-08-21 12:27 ` Alban
2018-08-21 12:57 ` Boris Brezillon
2018-08-21 13:57 ` Alban
2018-08-21 14:26 ` Boris Brezillon
2018-08-21 14:33 ` Srinivas Kandagatla
2018-08-10 8:05 ` [PATCH v2 07/29] ARM: davinci: dm365-evm: use nvmem lookup for mac address Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 08/29] ARM: davinci: dm644-evm: " Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 09/29] ARM: davinci: dm646x-evm: " Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 10/29] ARM: davinci: da830-evm: " Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 11/29] ARM: davinci: mityomapl138: add nvmem cells lookup entries Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 12/29] ARM: davinci: da850-evm: use nvmem lookup for mac address Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 13/29] ARM: davinci: da850-evm: remove unnecessary include Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 14/29] net: simplify eth_platform_get_mac_address() Bartosz Golaszewski
2018-08-10 14:39 ` Andy Shevchenko
2018-08-10 16:17 ` Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 15/29] net: split eth_platform_get_mac_address() into subroutines Bartosz Golaszewski
2018-08-31 19:54 ` Brian Norris
2018-08-10 8:05 ` [PATCH v2 16/29] net: add support for nvmem to eth_platform_get_mac_address() Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 17/29] net: davinci_emac: use eth_platform_get_mac_address() Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 18/29] ARM: davinci: da850-evm: remove dead MTD code Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 19/29] ARM: davinci: mityomapl138: don't read the MAC address from machine code Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 20/29] ARM: davinci: dm365-evm: use device properties for at24 eeprom Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 21/29] ARM: davinci: da830-evm: " Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 22/29] ARM: davinci: dm644x-evm: " Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 23/29] ARM: davinci: dm646x-evm: " Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 24/29] ARM: davinci: sffsdr: fix the at24 eeprom device name Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 25/29] ARM: davinci: sffsdr: use device properties for at24 eeprom Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 26/29] ARM: davinci: remove dead code related to MAC address reading Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 27/29] ARM: davinci: mityomapl138: use nvmem notifiers Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 28/29] ARM: davinci: mityomapl138: use device properties for at24 eeprom Bartosz Golaszewski
2018-08-10 8:05 ` [PATCH v2 29/29] eeprom: at24: kill at24_platform_data Bartosz Golaszewski
2018-08-10 8:41 ` [PATCH v2 00/29] at24: remove at24_platform_data Srinivas Kandagatla
2018-08-31 19:46 ` Brian Norris
2018-10-03 20:15 ` Bartosz Golaszewski
2018-10-03 20:30 ` Lukas Wunner
2018-10-03 21:04 ` Florian Fainelli
2018-10-04 11:06 ` Bartosz Golaszewski
2018-10-04 13:58 ` Arnd Bergmann
2018-10-04 14:35 ` Sowmini Varadhan
2018-10-04 14:38 ` Arnd Bergmann
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