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[97.113.152.155]) by smtp.gmail.com with ESMTPSA id 63sm15070449pfz.26.2021.05.25.23.48.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 May 2021 23:48:09 -0700 (PDT) From: Trent Piepho X-Google-Original-From: Trent Piepho To: barebox@lists.infradead.org Cc: Trent Piepho Date: Tue, 25 May 2021 23:48:05 -0700 Message-Id: <20210526064805.367434-1-trent.piepho@igorinstitute.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210525_234816_150895_C99184D4 X-CRM114-Status: GOOD ( 12.21 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:e::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-3.9 required=4.0 tests=AWL,BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH] mtd: nand: Add help text for i.MX NAND controllers X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) From: Trent Piepho There are two different NAND drivers, used for different chips in the i.MX range. It's quite confusing as to which to use. Add some help text to clarify. Signed-off-by: Trent Piepho --- drivers/mtd/nand/Kconfig | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 7c9326089..9dd6851f3 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -32,14 +32,25 @@ config NAND_ALLOW_ERASE_BAD config NAND_IMX bool - prompt "i.MX NAND driver" + prompt "i.MX NAND driver aka 'mxc'" depends on ARCH_IMX + help + Support for NAND flash on Freescale/NXP i.MX devices. This is for the + "MXC" series: i.MX21/25/27/31/35/51/53. It is not for the "MXS" + series i.MX processors (23 & 28), or i.MX6 and later, which use the + NAND controller from the MSX processors. See the i.MX 'mxs' driver + for those chips. config NAND_MXS bool select STMP_DEVICE - prompt "i.MX23/28/6 NAND driver" + prompt "i.MX23/28 & 6+ NAND driver aka 'mxs'" depends on MXS_APBH_DMA + help + Support for NAND flash on Freescale/NXP i.MX devices. This is for the + "MXS" series: i.MX23/28 and all i.MX6 and later chips. It is not for + the "MXC" series of i.MX processors in the i.MX 21 to 53 range. See + the i.MX "msc" driver for those chips. config NAND_OMAP_GPMC tristate "NAND Flash Support for GPMC based OMAP platforms" -- 2.26.2 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox