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q4lf6mYnkZrT32+C8W1DJQL3AFoYcsvjEsYAboorMuyf4F2zxpepF4ulOo6pO3C90qeqsYNrj9fkNrU15T3u82YsaLA8wniz8VJXTcXe0R4= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR11MB1804 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220721_023958_661845_11EF684C X-CRM114-Status: GOOD ( 17.77 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On 7/21/22 12:23, Biju Das wrote: > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe > > Hi Tudor Ambarus, > > I have done quick test with these generic patches. Please find my observation > below. Thanks! > >> Subject: Re: [PATCH v2 2/2] mtd: spi-nor: Add Renesas AT25QL128A serial nor >> flash >> >> On 7/15/22 13:57, Biju Das wrote: >> >> Hi, Biju! >> >>> EXTERNAL EMAIL: Do not click links or open attachments unless you know >>> the content is safe >>> >>> Add support for Renesas AT25QL128A serial nor flash. >>> Details of flash chip can be found here [1] >>> >>> [1] >>> >>> Signed-off-by: Biju Das >>> --- >>> $ xxd -p sfdp >>> 53464450060101ff00060110300000ff1f00010280000001ffffffffffff >>> ffffffffffffffffffffffffffffffffffffe520f1ffffffff0744eb086b >>> 083b80bbfeffffffffff00ffffff42eb0c200f5210d800ff3362d5008429 >>> 01ceeca1073d7a757a75f7a2d55c19f61cffe810c080ffffffffffffffff >>> ffffffffffffffff501650190000ffff >>> >>> $ md5sum >>> /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1 >>> .0/spi-nor/sfdp 23e3ec56b5b8f986d0488ba4727239dd >>> /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1 >>> .0/spi-nor/sfdp $ cat >>> /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1 >>> .0/spi-nor/jedec_id >>> 1f4218 >>> $ cat >>> /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1 >>> .0/spi-nor/partname >>> at25ql128a >>> $ cat >>> /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1 >>> .0/spi-nor/manufacturer >>> atmel > > With generic flash driver patches I get below results > ---------------------------------------------------- > > xxd -p sfdp > 53464450060101ff00060110300000ff1f00010280000001ffffffffffff > ffffffffffffffffffffffffffffffffffffe520f1ffffffff0744eb086b > 083b80bbfeffffffffff00ffffff42eb0c200f5210d800ff3362d5008429 > 01ceeca1073d7a757a75f7a2d55c19f61cffe810c080ffffffffffffffff > ffffffffffffffff501650190000ffff > > This result is same as above. ok, as expected. > > cat /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1.0/spi-nor/jedec_id > 1f42181f4218 > > This result is not matching 1f4218->1f42181f4218 here it looks like the ID is sent twice. > > root@smarc-rzg2ul:~# cat /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1.0/spi-nor/partname > spi-nor-generic > > This result is not matching at25ql128a-> spi-nor-generic right, as expected > > root@smarc-rzg2ul:~# cat /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1.0/spi-nor/manufacturer > cat: /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1.0/spi-nor/manufacturer: No such file or directory > > This result is not matching atmel-> cat: /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1.0/spi-nor/manufacturer: No such file or directory here we could introduce a generic name as well. > > How do we get proper partname/manufacturer details with generic flash driver? You don't, as it is you get just generic names like generic-spi-nor and generic-manufacturer. Why do you find the flash/manufacturer names important? ta ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/ From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B7564C433EF for ; Thu, 21 Jul 2022 09:41:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Content-ID:In-Reply-To: References:Message-ID:Date:Subject:To:From:Reply-To:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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Thu, 21 Jul 2022 09:39:54 +0000 From: To: , , , , Subject: Re: [PATCH v2 2/2] mtd: spi-nor: Add Renesas AT25QL128A serial nor flash Thread-Topic: [PATCH v2 2/2] mtd: spi-nor: Add Renesas AT25QL128A serial nor flash Thread-Index: AQHYnNvhSu/G76y6X0CbqZjid5ETZA== Date: Thu, 21 Jul 2022 09:39:54 +0000 Message-ID: <785e50c4-3c8c-a1a6-de60-4587aef820a8@microchip.com> References: <20220715105716.2415068-1-biju.das.jz@bp.renesas.com> <20220715105716.2415068-3-biju.das.jz@bp.renesas.com> <7aa7de93-23f0-c94a-bfc3-e79321cdc1f9@microchip.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=microchip.com; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 2823eb8b-3457-4a2f-7dfb-08da6afcf7d2 x-ms-traffictypediagnostic: DM5PR11MB1804:EE_ x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 7/21/22 12:23, Biju Das wrote: > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe > > Hi Tudor Ambarus, > > I have done quick test with these generic patches. Please find my observation > below. Thanks! > >> Subject: Re: [PATCH v2 2/2] mtd: spi-nor: Add Renesas AT25QL128A serial nor >> flash >> >> On 7/15/22 13:57, Biju Das wrote: >> >> Hi, Biju! >> >>> EXTERNAL EMAIL: Do not click links or open attachments unless you know >>> the content is safe >>> >>> Add support for Renesas AT25QL128A serial nor flash. >>> Details of flash chip can be found here [1] >>> >>> [1] >>> >>> Signed-off-by: Biju Das >>> --- >>> $ xxd -p sfdp >>> 53464450060101ff00060110300000ff1f00010280000001ffffffffffff >>> ffffffffffffffffffffffffffffffffffffe520f1ffffffff0744eb086b >>> 083b80bbfeffffffffff00ffffff42eb0c200f5210d800ff3362d5008429 >>> 01ceeca1073d7a757a75f7a2d55c19f61cffe810c080ffffffffffffffff >>> ffffffffffffffff501650190000ffff >>> >>> $ md5sum >>> /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1 >>> .0/spi-nor/sfdp 23e3ec56b5b8f986d0488ba4727239dd >>> /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1 >>> .0/spi-nor/sfdp $ cat >>> /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1 >>> .0/spi-nor/jedec_id >>> 1f4218 >>> $ cat >>> /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1 >>> .0/spi-nor/partname >>> at25ql128a >>> $ cat >>> /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1 >>> .0/spi-nor/manufacturer >>> atmel > > With generic flash driver patches I get below results > ---------------------------------------------------- > > xxd -p sfdp > 53464450060101ff00060110300000ff1f00010280000001ffffffffffff > ffffffffffffffffffffffffffffffffffffe520f1ffffffff0744eb086b > 083b80bbfeffffffffff00ffffff42eb0c200f5210d800ff3362d5008429 > 01ceeca1073d7a757a75f7a2d55c19f61cffe810c080ffffffffffffffff > ffffffffffffffff501650190000ffff > > This result is same as above. ok, as expected. > > cat /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1.0/spi-nor/jedec_id > 1f42181f4218 > > This result is not matching 1f4218->1f42181f4218 here it looks like the ID is sent twice. > > root@smarc-rzg2ul:~# cat /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1.0/spi-nor/partname > spi-nor-generic > > This result is not matching at25ql128a-> spi-nor-generic right, as expected > > root@smarc-rzg2ul:~# cat /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1.0/spi-nor/manufacturer > cat: /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1.0/spi-nor/manufacturer: No such file or directory > > This result is not matching atmel-> cat: /sys/devices/platform/soc/10060000.spi/rpc-if-spi/spi_master/spi1/spi1.0/spi-nor/manufacturer: No such file or directory here we could introduce a generic name as well. > > How do we get proper partname/manufacturer details with generic flash driver? You don't, as it is you get just generic names like generic-spi-nor and generic-manufacturer. Why do you find the flash/manufacturer names important? ta _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel