From:   Florian Fainelli <f.fainelli@gmail.com>
To:     linux-mtd@lists.infradead.org
Cc:     Florian Fainelli <f.fainelli@gmail.com>,
        =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>,
        Miquel Raynal <miquel.raynal@bootlin.com>,
        Richard Weinberger <richard@nod.at>,
        Vignesh Raghavendra <vigneshr@ti.com>,
        Brian Norris <computersforpeace@gmail.com>,
        Kamal Dasu <kdasu.kdev@gmail.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Cai Huoqing <caihuoqing@baidu.com>,
        Colin Ian King <colin.king@intel.com>,
        linux-kernel@vger.kernel.org (open list),
        linux-wireless@vger.kernel.org (open list:BROADCOM SPECIFIC AMBA DRIVER
        (BCMA)),
        bcm-kernel-feedback-list@broadcom.com (open list:BROADCOM STB NAND
        FLASH DRIVER)
Subject: [PATCH v3 4/9] mtd: rawnand: brcmnand: Move OF operations out of brcmnand_init_cs()
Date:   Fri,  7 Jan 2022 10:46:09 -0800
Message-Id: <20220107184614.2670254-5-f.fainelli@gmail.com>
In-Reply-To: <20220107184614.2670254-1-f.fainelli@gmail.com>
References: <20220107184614.2670254-1-f.fainelli@gmail.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

In order to initialize a given chip select object for use by the
brcmnand driver, move all of the Device Tree specific routines outside
of brcmnand_init_cs() in order to make it usable in a platform data
configuration which will be necessary for supporting BCMA chips.

No functional changes introduced.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 drivers/mtd/nand/raw/brcmnand/brcmnand.c | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index b7b15ddf326f..40818c881f08 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -2768,7 +2768,7 @@ static const struct nand_controller_ops brcmnand_controller_ops = {
 	.attach_chip = brcmnand_attach_chip,
 };
 
-static int brcmnand_init_cs(struct brcmnand_host *host, struct device_node *dn)
+static int brcmnand_init_cs(struct brcmnand_host *host)
 {
 	struct brcmnand_controller *ctrl = host->ctrl;
 	struct device *dev = ctrl->dev;
@@ -2777,16 +2777,9 @@ static int brcmnand_init_cs(struct brcmnand_host *host, struct device_node *dn)
 	int ret;
 	u16 cfg_offs;
 
-	ret = of_property_read_u32(dn, "reg", &host->cs);
-	if (ret) {
-		dev_err(dev, "can't get chip-select\n");
-		return -ENXIO;
-	}
-
 	mtd = nand_to_mtd(&host->chip);
 	chip = &host->chip;
 
-	nand_set_flash_node(chip, dn);
 	nand_set_controller_data(chip, host);
 	mtd->name = devm_kasprintf(dev, GFP_KERNEL, "brcmnand.%d",
 				   host->cs);
@@ -3193,7 +3186,16 @@ int brcmnand_probe(struct platform_device *pdev, struct brcmnand_soc *soc)
 			host->pdev = pdev;
 			host->ctrl = ctrl;
 
-			ret = brcmnand_init_cs(host, child);
+			ret = of_property_read_u32(child, "reg", &host->cs);
+			if (ret) {
+				dev_err(dev, "can't get chip-select\n");
+				devm_kfree(dev, host);
+				continue;
+			}
+
+			nand_set_flash_node(&host->chip, child);
+
+			ret = brcmnand_init_cs(host);
 			if (ret) {
 				devm_kfree(dev, host);
 				continue; /* Try all chip-selects */
-- 
2.25.1