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Sat, 14 Oct 2023 10:36:05 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id lhpQGhVvKmXWGwAAMHmgww (envelope-from ); Sat, 14 Oct 2023 10:36:05 +0000 Message-ID: <0a1ab53a-b63c-44c9-a63b-273ed70ba23c@suse.de> Date: Sat, 14 Oct 2023 12:36:04 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/9] Add support for Bayhub SD/MMC controller Content-Language: en-US To: =?UTF-8?B?5YiY55WF?= Cc: jejb@linux.ibm.com, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, mark.tao@bayhubtech.com, shaper.liu@bayhubtech.com, thomas.hu@bayhubtech.com, chevron.li@bayhubtech.com, charl.liu@bayhubtech.com References: <20231013083242.10227-1-liuchang_125125@163.com> <238c40.67f1.18b28fe0bfb.Coremail.liuchang_125125@163.com> From: Hannes Reinecke In-Reply-To: <238c40.67f1.18b28fe0bfb.Coremail.liuchang_125125@163.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Authentication-Results: smtp-out1.suse.de; 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Sat, 14 Oct 2023 03:36:42 -0700 (PDT) On 10/13/23 14:23, 刘畅 wrote: > Hi Hannes, > > We know that there is a SD/MMC card drivers under drivers/mmc, > but we have the following more features to support. > > 1.We need to support the special functions customized by Bayhub. > 2.We need to support SD UHSII cards and SD DDR200/225 cards. >    The drivers under drivers/mmc do not support SD UHSII cards and >    SD DDR200/225 cards at present. > But all of that is an extension to the existing drivers/mmc subsystem. None of the above is SCSI related, so a SCSI driver is the wrong approach. Please convert your driver to use drivers/mmc, not drivers/scsi. Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@suse.de +49 911 74053 688 SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg HRB 36809 (AG Nürnberg), Geschäftsführer: Ivo Totev, Andrew Myers, Andrew McDonald, Martje Boudien Moerman