Two helpers have been added to the core to make ECC-related
configuration between the detection phase and the final NAND scan. Use
these hooks and convert the driver to just use nand_scan() instead of
both nand_scan_ident() and nand_scan_tail().
Signed-off-by: Miquel Raynal <miquel.ray...@bootlin.com>
---
drivers/mtd/nand/raw/hisi504_nand.c | 74 ++++++++++++++++++++-----------------
1 file changed, 40 insertions(+), 34 deletions(-)
diff --git a/drivers/mtd/nand/raw/hisi504_nand.c
b/drivers/mtd/nand/raw/hisi504_nand.c
index a1e009c8e556..d814a459b4d6 100644
--- a/drivers/mtd/nand/raw/hisi504_nand.c
+++ b/drivers/mtd/nand/raw/hisi504_nand.c
@@ -709,9 +709,46 @@ static int hisi_nfc_ecc_probe(struct hinfc_host *host)
return 0;
}
+static int hisi_nfc_attach_chip(struct nand_chip *chip)
+{
+ struct mtd_info *mtd = nand_to_mtd(chip);
+ struct hinfc_host *host = nand_get_controller_data(chip);
+ int flag;
+
+ host->buffer = dmam_alloc_coherent(host->dev,
+ mtd->writesize + mtd->oobsize,
+ &host->dma_buffer, GFP_KERNEL);
+ if (!host->buffer)
+ return -ENOMEM;
+
+ host->dma_oob = host->dma_buffer + mtd->writesize;
+ memset(host->buffer, 0xff, mtd->writesize + mtd->oobsize);
+
+ flag = hinfc_read(host, HINFC504_CON);
+ flag &= ~(HINFC504_CON_PAGESIZE_MASK << HINFC504_CON_PAGEISZE_SHIFT);
+ switch (mtd->writesize) {
+ case 2048:
+ flag |= (0x001 << HINFC504_CON_PAGEISZE_SHIFT);
+ break;
+ /*
+ * TODO: add more pagesize support,
+ * default pagesize has been set in hisi_nfc_host_init
+ */
+ default:
+ dev_err(host->dev, "NON-2KB page size nand flash\n");
+ return -EINVAL;
+ }
+ hinfc_write(host, flag, HINFC504_CON);
+
+ if (chip->ecc.mode == NAND_ECC_HW)
+ hisi_nfc_ecc_probe(host);
+
+ return 0;
+}
+
static int hisi_nfc_probe(struct platform_device *pdev)
{
- int ret = 0, irq, flag, max_chips = HINFC504_MAX_CHIP;
+ int ret = 0, irq, max_chips = HINFC504_MAX_CHIP;
struct device *dev = &pdev->dev;
struct hinfc_host *host;
struct nand_chip *chip;
@@ -769,42 +806,11 @@ static int hisi_nfc_probe(struct platform_device *pdev)
return ret;
}
- ret = nand_scan_ident(mtd, max_chips, NULL);
+ chip->hwcontrol.attach_chip = hisi_nfc_attach_chip;
+ ret = nand_scan(mtd, max_chips);
if (ret)
return ret;
- host->buffer = dmam_alloc_coherent(dev, mtd->writesize + mtd->oobsize,
- &host->dma_buffer, GFP_KERNEL);
- if (!host->buffer)
- return -ENOMEM;
-
- host->dma_oob = host->dma_buffer + mtd->writesize;
- memset(host->buffer, 0xff, mtd->writesize + mtd->oobsize);
-
- flag = hinfc_read(host, HINFC504_CON);
- flag &= ~(HINFC504_CON_PAGESIZE_MASK << HINFC504_CON_PAGEISZE_SHIFT);
- switch (mtd->writesize) {
- case 2048:
- flag |= (0x001 << HINFC504_CON_PAGEISZE_SHIFT); break;
- /*
- * TODO: add more pagesize support,
- * default pagesize has been set in hisi_nfc_host_init
- */
- default:
- dev_err(dev, "NON-2KB page size nand flash\n");
- return -EINVAL;
- }
- hinfc_write(host, flag, HINFC504_CON);
-
- if (chip->ecc.mode == NAND_ECC_HW)
- hisi_nfc_ecc_probe(host);
-
- ret = nand_scan_tail(mtd);
- if (ret) {
- dev_err(dev, "nand_scan_tail failed: %d\n", ret);
- return ret;
- }
-
ret = mtd_device_register(mtd, NULL, 0);
if (ret) {
dev_err(dev, "Err MTD partition=%d\n", ret);
--
2.14.1
