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From: Arseniy Krasnov <avkrasnov@salutedevices.com>
To: Miquel Raynal <miquel.raynal@bootlin.com>,
	Richard Weinberger <richard@nod.at>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Kevin Hilman <khilman@baylibre.com>,
	Jerome Brunet <jbrunet@baylibre.com>,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: <linux-mtd@lists.infradead.org>, <devicetree@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-amlogic@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <oxffffaa@gmail.com>,
	<kernel@sberdevices.ru>,
	Arseniy Krasnov <avkrasnov@salutedevices.com>
Subject: [PATCH v6 2/3] mtd: rawnand: meson: refactor use of 'meson_nfc_cmd_access()'
Date: Wed, 8 May 2024 02:09:02 +0300	[thread overview]
Message-ID: <20240507230903.3399594-3-avkrasnov@salutedevices.com> (raw)
In-Reply-To: <20240507230903.3399594-1-avkrasnov@salutedevices.com>

Move call 'meson_nfc_cmd_seed()' and check for 'NAND_NEED_SCRAMBLING'
to 'meson_nfc_cmd_access()', thus removing code duplication.

Signed-off-by: Arseniy Krasnov <avkrasnov@salutedevices.com>
---
 drivers/mtd/nand/raw/meson_nand.c | 30 ++++++++++++------------------
 1 file changed, 12 insertions(+), 18 deletions(-)

diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c
index 00ce0e5bb970..39f50cbd4ab9 100644
--- a/drivers/mtd/nand/raw/meson_nand.c
+++ b/drivers/mtd/nand/raw/meson_nand.c
@@ -298,14 +298,19 @@ static void meson_nfc_cmd_seed(struct meson_nfc *nfc, u32 seed)
 	       nfc->reg_base + NFC_REG_CMD);
 }
 
-static void meson_nfc_cmd_access(struct nand_chip *nand, int raw, bool dir,
-				 int scrambler)
+static void meson_nfc_cmd_access(struct nand_chip *nand, int raw, bool dir, int page)
 {
 	struct mtd_info *mtd = nand_to_mtd(nand);
 	struct meson_nfc *nfc = nand_get_controller_data(mtd_to_nand(mtd));
 	struct meson_nfc_nand_chip *meson_chip = to_meson_nand(nand);
 	u32 bch = meson_chip->bch_mode, cmd;
 	int len = mtd->writesize, pagesize, pages;
+	int scrambler;
+
+	if (nand->options & NAND_NEED_SCRAMBLING)
+		scrambler = NFC_CMD_SCRAMBLER_ENABLE;
+	else
+		scrambler = NFC_CMD_SCRAMBLER_DISABLE;
 
 	pagesize = nand->ecc.size;
 
@@ -321,6 +326,9 @@ static void meson_nfc_cmd_access(struct nand_chip *nand, int raw, bool dir,
 	cmd = CMDRWGEN(DMA_DIR(dir), scrambler, bch,
 		       NFC_CMD_SHORTMODE_DISABLE, pagesize, pages);
 
+	if (scrambler == NFC_CMD_SCRAMBLER_ENABLE)
+		meson_nfc_cmd_seed(nfc, page);
+
 	writel(cmd, nfc->reg_base + NFC_REG_CMD);
 }
 
@@ -743,14 +751,7 @@ static int meson_nfc_write_page_sub(struct nand_chip *nand,
 	if (ret)
 		return ret;
 
-	if (nand->options & NAND_NEED_SCRAMBLING) {
-		meson_nfc_cmd_seed(nfc, page);
-		meson_nfc_cmd_access(nand, raw, DIRWRITE,
-				     NFC_CMD_SCRAMBLER_ENABLE);
-	} else {
-		meson_nfc_cmd_access(nand, raw, DIRWRITE,
-				     NFC_CMD_SCRAMBLER_DISABLE);
-	}
+	meson_nfc_cmd_access(nand, raw, DIRWRITE, page);
 
 	cmd = nfc->param.chip_select | NFC_CMD_CLE | NAND_CMD_PAGEPROG;
 	writel(cmd, nfc->reg_base + NFC_REG_CMD);
@@ -829,14 +830,7 @@ static int meson_nfc_read_page_sub(struct nand_chip *nand,
 	if (ret)
 		return ret;
 
-	if (nand->options & NAND_NEED_SCRAMBLING) {
-		meson_nfc_cmd_seed(nfc, page);
-		meson_nfc_cmd_access(nand, raw, DIRREAD,
-				     NFC_CMD_SCRAMBLER_ENABLE);
-	} else {
-		meson_nfc_cmd_access(nand, raw, DIRREAD,
-				     NFC_CMD_SCRAMBLER_DISABLE);
-	}
+	meson_nfc_cmd_access(nand, raw, DIRREAD, page);
 
 	ret = meson_nfc_wait_dma_finish(nfc);
 	meson_nfc_check_ecc_pages_valid(nfc, nand, raw);
-- 
2.35.0


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  parent reply	other threads:[~2024-05-07 23:20 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-07 23:09 [PATCH v6 0/3] Meson: R/W support for pages used by boot ROM Arseniy Krasnov
2024-05-07 23:09 ` [PATCH v6 1/3] dt-bindings: mtd: amlogic,meson-nand: support fields for boot ROM code Arseniy Krasnov
2024-05-08 14:09   ` Rob Herring (Arm)
     [not found]     ` <CAP_G_RUdN+6OcsQZUkqWQMYoH-ZvmPnskT3yONK_YssqUYhm9Q@mail.gmail.com>
2024-05-12 17:26       ` Arseniy Krasnov
2024-05-13  9:05         ` Krzysztof Kozlowski
2024-05-13 10:10   ` Arseniy Krasnov
2024-05-27 12:19   ` Miquel Raynal
2024-05-07 23:09 ` Arseniy Krasnov [this message]
2024-05-27 12:19   ` [PATCH v6 2/3] mtd: rawnand: meson: refactor use of 'meson_nfc_cmd_access()' Miquel Raynal
2024-05-07 23:09 ` [PATCH v6 3/3] mtd: rawnand: meson: read/write access for boot ROM pages Arseniy Krasnov
2024-05-27 12:18   ` Miquel Raynal

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