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[86.26.103.58]) by smtp.googlemail.com with ESMTPSA id l3-20020a05600002a300b00207902922cesm9662617wry.15.2022.04.11.03.18.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 11 Apr 2022 03:18:08 -0700 (PDT) Message-ID: <5c423482-03ee-ab05-b7fa-abac9b37ebb2@linaro.org> Date: Mon, 11 Apr 2022 11:18:07 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [PATCH 2/2] nvmem: add driver handling U-Boot environment variables Content-Language: en-US To: =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra Cc: Tom Rini , linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, u-boot@lists.denx.de, devicetree@vger.kernel.org, =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= References: <20220406143225.28107-1-zajec5@gmail.com> <20220406143225.28107-2-zajec5@gmail.com> From: Srinivas Kandagatla In-Reply-To: <20220406143225.28107-2-zajec5@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 06/04/2022 15:32, Rafał Miłecki wrote: > diff --git a/drivers/nvmem/Kconfig b/drivers/nvmem/Kconfig > index 555aa77a574d..17a78b1ba077 100644 > --- a/drivers/nvmem/Kconfig > +++ b/drivers/nvmem/Kconfig > @@ -324,4 +324,16 @@ config NVMEM_SUNPLUS_OCOTP > This driver can also be built as a module. If so, the module > will be called nvmem-sunplus-ocotp. > > +config NVMEM_U_BOOT_ENV > + tristate "U-Boot environment variables support" > + depends on ARCH_BCM4908 || COMPILE_TEST This nvmem provider seems more generic, so why ARCH_BCM4908 dependency here? --srini > + depends on OF && MTD > + select CRC32 > + help > + U-Boot stores its setup as environment variables. This driver adds > + support for verifying & exporting such data. It also exposes variables > + as NVMEM cells so they can be referenced by other drivers. > + > + If compiled as module it will be called nvmem_u-boot-env. > + > endif