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Fri, 22 Jun 2018 13:28:44 +1200 Received: from chrisp-dl.ws.atlnz.lc (chrisp-dl.ws.atlnz.lc [10.33.22.30]) by smtp (Postfix) with ESMTP id 6265113EE1C; Fri, 22 Jun 2018 13:28:47 +1200 (NZST) Received: by chrisp-dl.ws.atlnz.lc (Postfix, from userid 1030) id 2916C1E2626; Fri, 22 Jun 2018 13:28:44 +1200 (NZST) From: Chris Packham To: miquel.raynal@bootlin.com, boris.brezillon@bootlin.com, dwmw2@infradead.org, computersforpeace@gmail.com, linux-mtd@lists.infradead.org Subject: [PATCH v5 2/6] mtd: rawnand: add manufacturer fixup for ONFI parameter page Date: Fri, 22 Jun 2018 13:28:31 +1200 Message-Id: <20180622012835.17874-3-chris.packham@alliedtelesis.co.nz> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180622012835.17874-1-chris.packham@alliedtelesis.co.nz> References: <20180622012835.17874-1-chris.packham@alliedtelesis.co.nz> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180621_182900_170823_17F975F9 X-CRM114-Status: GOOD ( 11.76 ) X-Spam-Score: -0.1 (/) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-0.1 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Weinberger , Chris Packham , linux-kernel@vger.kernel.org, Marek Vasut MIME-Version: 1.0 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org This is called after the ONFI parameter page checksum is verified and allows us to override the contents of the parameter page. Suggested-by: Boris Brezillon Signed-off-by: Chris Packham Reviewed-by: Boris Brezillon --- Notes: Changes in v2: - New Changes in v3: - Add doc comment and review from Boris Changes in v4: - None Changes in v5: - None drivers/mtd/nand/raw/nand_base.c | 4 ++++ include/linux/mtd/rawnand.h | 3 +++ 2 files changed, 7 insertions(+) diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index 0cd3e216b95c..65250308c82d 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -5172,6 +5172,10 @@ static int nand_flash_detect_onfi(struct nand_chip *chip) } } + if (chip->manufacturer.desc && chip->manufacturer.desc->ops && + chip->manufacturer.desc->ops->fixup_onfi_param_page) + chip->manufacturer.desc->ops->fixup_onfi_param_page(chip, p); + /* Check version */ val = le16_to_cpu(p->revision); if (val & (1 << 5)) diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index 3e8ec3b8a39c..ef7e3b4e91ea 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -778,11 +778,14 @@ nand_get_sdr_timings(const struct nand_data_interface *conf) * implementation) if any. * @cleanup: the ->init() function may have allocated resources, ->cleanup() * is here to let vendor specific code release those resources. + * @fixup_onfi_param_page: apply vendor specific fixups to the ONFI + * parameter page. This is called after the checksum is verified. */ struct nand_manufacturer_ops { void (*detect)(struct nand_chip *chip); int (*init)(struct nand_chip *chip); void (*cleanup)(struct nand_chip *chip); + void (*fixup_onfi_param_page)(struct nand_chip *chip, struct nand_onfi_params *p); }; /**