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arc=none smtp.client-ip=217.70.183.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="BsKBmYJ3" Received: by mail.gandi.net (Postfix) with ESMTPSA id DB4071BF205; Tue, 1 Oct 2024 09:12:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1727773975; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Wn4FBOVtHOoxAtUICQyZujz1f15qkDm2lLUyaK/WqGk=; b=BsKBmYJ3IAN4SuRjTFNUfEwnvmTqwxiYMP2mlNx7HNBHVM80w/cCjWCFwRutyQEbvpwaIC D2hpIseVuxJsq7UPz6pTbA2aceak78mLDsOK2AucjiVEsWsBvvZKOoZCudf0npf7/btGpY ljEu1JyLLJ3mlTLCwSlXNeQSGVhz46RG57uNkROETI1iea7KNbRsdea4Qp+85BT8tHERvG 0DRkTQhh7B2MG9v3ktXNd5v1zOMvBZ60Q+SyaoP6dSQgiT0DFn0BCcDUZrPOS3hubXQPAc JuPxPFkcLdL7zUzE58RUkscI+YF/pvXqNQc8UitQN15hJ83/GqsNRcI8FDEzWQ== Date: Tue, 1 Oct 2024 11:12:49 +0200 From: Miquel Raynal To: Martin Kurbanov Cc: Richard Weinberger , Vignesh Raghavendra , Mika Westerberg , Michael Walle , "Mark Brown" , Chia-Lin Kao , "Md Sadre Alam" , Ezra Buehler , Sridharan S N , Frieder Schrempf , Alexey Romanov , , , Subject: Re: [PATCH v2 1/5] mtd: spinand: make spinand_{read,write}_page global Message-ID: <20241001111249.43d20f5d@xps-13> In-Reply-To: <20240827174920.316756-2-mmkurbanov@salutedevices.com> References: <20240827174920.316756-1-mmkurbanov@salutedevices.com> <20240827174920.316756-2-mmkurbanov@salutedevices.com> Organization: Bootlin X-Mailer: Claws Mail 4.2.0 (GTK 3.24.41; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-GND-Sasl: miquel.raynal@bootlin.com Hi Martin, mmkurbanov@salutedevices.com wrote on Tue, 27 Aug 2024 20:48:59 +0300: > Change these functions from static to global so that to use them later > in OTP operations. Since reading OTP pages is no different from reading > pages from the main area. >=20 > Signed-off-by: Martin Kurbanov > --- > drivers/mtd/nand/spi/core.c | 24 ++++++++++++++++++++---- > include/linux/mtd/spinand.h | 6 ++++++ > 2 files changed, 26 insertions(+), 4 deletions(-) >=20 > diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c > index e0b6715e5dfed..807c24b0c7c4f 100644 > --- a/drivers/mtd/nand/spi/core.c > +++ b/drivers/mtd/nand/spi/core.c > @@ -566,8 +566,16 @@ static int spinand_lock_block(struct spinand_device = *spinand, u8 lock) > return spinand_write_reg_op(spinand, REG_BLOCK_LOCK, lock); > } > =20 > -static int spinand_read_page(struct spinand_device *spinand, > - const struct nand_page_io_req *req) > +/** > + * spinand_read_page() - Read the page a page? (same below) > + * @spinand: the spinand device > + * @req: the I/O request > + * > + * Return: 0 or a positive number of bitflips corrected on success. > + * A negative error code otherwise. > + */ > +int spinand_read_page(struct spinand_device *spinand, > + const struct nand_page_io_req *req) > { > struct nand_device *nand =3D spinand_to_nand(spinand); > u8 status; > @@ -597,8 +605,16 @@ static int spinand_read_page(struct spinand_device *= spinand, > return nand_ecc_finish_io_req(nand, (struct nand_page_io_req *)req); > } > =20 > -static int spinand_write_page(struct spinand_device *spinand, > - const struct nand_page_io_req *req) > +/** > + * spinand_write_page() - Write the page > + * @spinand: the spinand device > + * @req: the I/O request > + * > + * Return: 0 or a positive number of bitflips corrected on success. > + * A negative error code otherwise. > + */ > +int spinand_write_page(struct spinand_device *spinand, > + const struct nand_page_io_req *req) > { > struct nand_device *nand =3D spinand_to_nand(spinand); > u8 status; > diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h > index 5c19ead604996..555846517faf6 100644 > --- a/include/linux/mtd/spinand.h > +++ b/include/linux/mtd/spinand.h > @@ -519,4 +519,10 @@ int spinand_match_and_init(struct spinand_device *sp= inand, > int spinand_upd_cfg(struct spinand_device *spinand, u8 mask, u8 val); > int spinand_select_target(struct spinand_device *spinand, unsigned int t= arget); > =20 > +int spinand_read_page(struct spinand_device *spinand, > + const struct nand_page_io_req *req); > + > +int spinand_write_page(struct spinand_device *spinand, > + const struct nand_page_io_req *req); > + > #endif /* __LINUX_MTD_SPINAND_H */ Thanks, Miqu=C3=A8l