From: masonccyang@mxic.com.tw To: "Miquel Raynal" <miquel.raynal@bootlin.com> Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, christophe.kerello@st.com, bbrezillon@kernel.org, juliensu@mxic.com.tw, lee.jones@linaro.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org, linux-spi@vger.kernel.org, marcel.ziswiler@toradex.com, paul.burton@mips.com, broonie@kernel.org, geert@linux-m68k.org, stefan@agner.ch, linux-mtd@lists.infradead.org, richard@nod.at, liang.yang@amlogic.com, computersforpeace@gmail.com, dwmw2@infradead.org, marek.vasut@gmail.com, zhengxunli@mxic.com.tw Subject: Re: [PATCH v3 2/4] mtd: rawnand: Add Macronix MX25F0A NAND controller Date: Thu, 23 May 2019 16:58:02 +0800 Message-ID: <OFADC47344.0F9941B2-ON48258403.002336E3-48258403.003141F0@mxic.com.tw> (raw) In-Reply-To: <20190520142333.390091d5@xps13> Hi Miquel, > > > > > > + > > > > +static void mxic_nand_select_chip(struct nand_chip *chip, int chipnr) > > > > > > _select_target() is preferred now > > > > Do you mean I implement mxic_nand_select_target() to control #CS ? > > > > If so, I need to call mxic_nand_select_target( ) to control #CS ON > > and then #CS OFF in _exec_op() due to nand_select_target()<in nand_base,c> > > is still calling chip->legacy.select_chip ? > > You must forget about the ->select_chip() callback. Now it should be > handled directly from the controller driver. Please have a look at the > commit pointed against the marvell_nand.c driver. I have no Marvell NFC datasheet and have one question. In marvell_nand.c, there is no xxx_deselect_target() or something like that doing #CS OFF. marvell_nfc_select_target() seems always to make one of chip or die #CS keep low. Is it right ? How to make all #CS keep high for NAND to enter low-power standby mode if driver don't use "legacy.select_chip()" ? thanks & best regards, Mason CONFIDENTIALITY NOTE: This e-mail and any attachments may contain confidential information and/or personal data, which is protected by applicable laws. Please be reminded that duplication, disclosure, distribution, or use of this e-mail (and/or its attachments) or any part thereof is prohibited. If you receive this e-mail in error, please notify us immediately and delete this mail as well as its attachment(s) from your system. In addition, please be informed that collection, processing, and/or use of personal data is prohibited unless expressly permitted by personal data protection laws. Thank you for your attention and cooperation. Macronix International Co., Ltd. ===================================================================== ============================================================================ CONFIDENTIALITY NOTE: This e-mail and any attachments may contain confidential information and/or personal data, which is protected by applicable laws. Please be reminded that duplication, disclosure, distribution, or use of this e-mail (and/or its attachments) or any part thereof is prohibited. If you receive this e-mail in error, please notify us immediately and delete this mail as well as its attachment(s) from your system. In addition, please be informed that collection, processing, and/or use of personal data is prohibited unless expressly permitted by personal data protection laws. Thank you for your attention and cooperation. Macronix International Co., Ltd. ===================================================================== ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/
next prev parent reply index Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-04-15 9:23 [PATCH v3 0/4] Add Macronix MX25F0A MFD driver for raw nand and spi Mason Yang 2019-04-15 9:23 ` [PATCH v3 1/4] mfd: Add Macronix MX25F0A MFD controller driver Mason Yang 2019-05-12 13:08 ` Miquel Raynal 2019-05-15 6:46 ` masonccyang 2019-04-15 9:23 ` [PATCH v3 2/4] mtd: rawnand: Add Macronix MX25F0A NAND controller Mason Yang 2019-05-12 13:18 ` Miquel Raynal 2019-05-15 8:48 ` masonccyang 2019-05-15 12:08 ` Miquel Raynal [not found] ` <OF8A566F14.A2F0F576-ON482583FB.002E7E32-482583FB.003068B1@LocalDomain> 2019-05-15 9:18 ` masonccyang 2019-05-17 9:30 ` masonccyang 2019-05-20 12:23 ` Miquel Raynal 2019-05-23 8:58 ` masonccyang [this message] 2019-05-27 12:42 ` Miquel Raynal 2019-05-29 3:12 ` masonccyang 2019-06-17 12:35 ` Miquel Raynal 2019-06-18 1:24 ` masonccyang 2019-06-18 6:14 ` Boris Brezillon 2019-06-18 7:29 ` Boris Brezillon 2019-06-19 8:04 ` masonccyang 2019-06-19 8:09 ` Miquel Raynal 2019-06-19 8:48 ` masonccyang 2019-06-24 9:05 ` masonccyang 2019-06-19 8:15 ` Boris Brezillon 2019-06-19 8:55 ` masonccyang 2019-06-19 9:06 ` Boris Brezillon 2019-06-24 8:55 ` masonccyang 2019-04-15 9:23 ` [PATCH v3 3/4] spi: Patch Macronix SPI controller driver according to MX25F0A MFD driver Mason Yang 2019-04-19 14:51 ` Mark Brown [not found] ` <OF7742B4A9.445066F6-ON482583EC.0037E377-482583EC.0039125B@mxic.com.tw> 2019-05-02 2:41 ` Mark Brown 2019-04-15 9:23 ` [PATCH v3 4/4] dt-bindings: mfd: Document Macronix MX25F0A controller bindings Mason Yang 2019-04-26 22:41 ` Rob Herring 2019-05-12 13:23 ` Miquel Raynal 2019-05-15 7:36 ` masonccyang
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