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Wed, 08 Sep 2021 12:01:17 -0700 (PDT) MIME-Version: 1.0 References: <20210905135122.7038-1-a.fatoum@pengutronix.de> <20210905135122.7038-5-a.fatoum@pengutronix.de> In-Reply-To: From: Trent Piepho Date: Wed, 8 Sep 2021 12:01:07 -0700 Message-ID: To: Barebox List X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210908_120120_241278_1C0189DB X-CRM114-Status: GOOD ( 12.52 ) 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-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:7c80:54:e::133 (failed) X-Broken-Reverse-DNS: no host name for IP address 2607:7c80:54:e::133 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=-3.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,PTX_BROKEN_RDNS,RCVD_IN_DNSWL_MED,RDNS_NONE, SPF_HELO_NONE,SPF_NONE autolearn=no autolearn_force=no version=3.4.2 Subject: Re: [PATCH 4/9] ARM: i.MX: extend drivers for i.MX8MN (Nano) support 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) On Sun, Sep 5, 2021 at 6:52 AM Ahmad Fatoum wrote: > > Extend match tables and function definitions for i.MX USB, ATF, > MCI, NVMEM, pinctrl and serial drivers for the i.MX8M Nano. > > There is no special handling required for those, compared with > the mini. It shouldn't be necessary to add them when there is no special handling. The device tree should list the earlier type they are compatible with as well. For example, every fsl,imx8*-usdhc I see in a device tree then lists fsl,imx7d-usdhc additionally. Though the Barebox driver does NOT list fsl,imx7d-usdhc. It works on the fsl,imx7d-usdhc because that is compatible with the fsl,imx6sl-usdhc. Really, the error would seem to be the NXP devicetrees only listing imx7d as a compatible instead of going back to imx6sl. It is also interesting that in Barebox, the imx7d uses the imx6sl compat entry, and that entry includes ESDHC_FLAG_ERR004536. While the imx8* is supposedly imx7d compatible, it uses the imx6sx entry that lacks that flag. I think the error here is that imx7d does not have this erratum. _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox