From 37987ba4d15f13082d9f3ea6802f6b8bce89695f Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Mon, 20 Jun 2016 23:32:14 +0200 Subject: [PATCH] mtd: nand: xway: add nandaddr to own struct Instead of using IO_ADDR_W and IO_ADDR_R use an own pointer to the NAND controller memory area. Signed-off-by: Hauke Mehrtens Signed-off-by: Boris Brezillon --- drivers/mtd/nand/xway_nand.c | 30 ++++++++++++++---------------- 1 file changed, 14 insertions(+), 16 deletions(-) diff --git a/drivers/mtd/nand/xway_nand.c b/drivers/mtd/nand/xway_nand.c index 429ba02fc0f5..1f2948c0c458 100644 --- a/drivers/mtd/nand/xway_nand.c +++ b/drivers/mtd/nand/xway_nand.c @@ -66,22 +66,23 @@ struct xway_nand_data { struct nand_chip chip; unsigned long csflags; + void __iomem *nandaddr; }; static u8 xway_readb(struct mtd_info *mtd, int op) { struct nand_chip *chip = mtd_to_nand(mtd); - void __iomem *nandaddr = chip->IO_ADDR_R; + struct xway_nand_data *data = nand_get_controller_data(chip); - return readb(nandaddr + op); + return readb(data->nandaddr + op); } static void xway_writeb(struct mtd_info *mtd, int op, u8 value) { struct nand_chip *chip = mtd_to_nand(mtd); - void __iomem *nandaddr = chip->IO_ADDR_W; + struct xway_nand_data *data = nand_get_controller_data(chip); - writeb(value, nandaddr + op); + writeb(value, data->nandaddr + op); } static void xway_select_chip(struct mtd_info *mtd, int select) @@ -154,7 +155,6 @@ static int xway_nand_probe(struct platform_device *pdev) struct mtd_info *mtd; struct resource *res; int err; - void __iomem *nandaddr; u32 cs; u32 cs_flag = 0; @@ -165,16 +165,14 @@ static int xway_nand_probe(struct platform_device *pdev) return -ENOMEM; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - nandaddr = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(nandaddr)) - return PTR_ERR(nandaddr); + data->nandaddr = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(data->nandaddr)) + return PTR_ERR(data->nandaddr); nand_set_flash_node(&data->chip, pdev->dev.of_node); mtd = nand_to_mtd(&data->chip); mtd->dev.parent = &pdev->dev; - data->chip.IO_ADDR_R = nandaddr; - data->chip.IO_ADDR_W = nandaddr; data->chip.cmd_ctrl = xway_cmd_ctrl; data->chip.dev_ready = xway_dev_ready; data->chip.select_chip = xway_select_chip; @@ -195,16 +193,16 @@ static int xway_nand_probe(struct platform_device *pdev) cs_flag = NAND_CON_IN_CS1 | NAND_CON_OUT_CS1; /* setup the EBU to run in NAND mode on our base addr */ - ltq_ebu_w32(CPHYSADDR(nandaddr) - | ADDSEL1_MASK(3) | ADDSEL1_REGEN, EBU_ADDSEL1); + ltq_ebu_w32(CPHYSADDR(data->nandaddr) + | ADDSEL1_MASK(3) | ADDSEL1_REGEN, EBU_ADDSEL1); ltq_ebu_w32(BUSCON1_SETUP | BUSCON1_BCGEN_RES | BUSCON1_WAITWRC2 - | BUSCON1_WAITRDC2 | BUSCON1_HOLDC1 | BUSCON1_RECOVC1 - | BUSCON1_CMULT4, LTQ_EBU_BUSCON1); + | BUSCON1_WAITRDC2 | BUSCON1_HOLDC1 | BUSCON1_RECOVC1 + | BUSCON1_CMULT4, LTQ_EBU_BUSCON1); ltq_ebu_w32(NAND_CON_NANDM | NAND_CON_CSMUX | NAND_CON_CS_P - | NAND_CON_SE_P | NAND_CON_WP_P | NAND_CON_PRE_P - | cs_flag, EBU_NAND_CON); + | NAND_CON_SE_P | NAND_CON_WP_P | NAND_CON_PRE_P + | cs_flag, EBU_NAND_CON); /* Scan to find existence of the device */ err = nand_scan(mtd, 1); -- 2.39.5