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authorBoris BREZILLON <boris.brezillon@free-electrons.com>2015-12-10 10:59:50 +0300
committerBrian Norris <computersforpeace@gmail.com>2015-12-18 21:25:05 +0300
commitac01efebb1075a51a2803237159a440b71383117 (patch)
tree9aca61fc44d84927c6714b570d3b08db05e18dda
parent187d6ada2a129b3829c81b3e4f4bdf660859bb11 (diff)
downloadlinux-ac01efebb1075a51a2803237159a440b71383117.tar.xz
mtd: nand: atmel: use the mtd instance embedded in struct nand_chip
struct nand_chip now embeds an mtd device. Make use of this mtd instance. Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
-rw-r--r--drivers/mtd/nand/atmel_nand.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index edd191a6ee53..9ba2831277ea 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -116,7 +116,6 @@ static struct atmel_nfc nand_nfc;
struct atmel_nand_host {
struct nand_chip nand_chip;
- struct mtd_info mtd;
void __iomem *io_base;
dma_addr_t io_phys;
struct atmel_nand_data board;
@@ -317,8 +316,10 @@ static int nfc_set_sram_bank(struct atmel_nand_host *host, unsigned int bank)
return -EINVAL;
if (bank) {
+ struct mtd_info *mtd = nand_to_mtd(&host->nand_chip);
+
/* Only for a 2k-page or lower flash, NFC can handle 2 banks */
- if (host->mtd.writesize > 2048)
+ if (mtd->writesize > 2048)
return -EINVAL;
nfc_writel(host->nfc->hsmc_regs, BANK, ATMEL_HSMC_NFC_BANK1);
} else {
@@ -1159,8 +1160,8 @@ static uint16_t *create_lookup_table(struct device *dev, int sector_size)
static int atmel_pmecc_nand_init_params(struct platform_device *pdev,
struct atmel_nand_host *host)
{
- struct mtd_info *mtd = &host->mtd;
struct nand_chip *nand_chip = &host->nand_chip;
+ struct mtd_info *mtd = nand_to_mtd(nand_chip);
struct resource *regs, *regs_pmerr, *regs_rom;
uint16_t *galois_table;
int cap, sector_size, err_no;
@@ -1586,8 +1587,8 @@ static int atmel_of_init_port(struct atmel_nand_host *host,
static int atmel_hw_nand_init_params(struct platform_device *pdev,
struct atmel_nand_host *host)
{
- struct mtd_info *mtd = &host->mtd;
struct nand_chip *nand_chip = &host->nand_chip;
+ struct mtd_info *mtd = nand_to_mtd(nand_chip);
struct resource *regs;
regs = platform_get_resource(pdev, IORESOURCE_MEM, 1);
@@ -2112,8 +2113,8 @@ static int atmel_nand_probe(struct platform_device *pdev)
}
host->io_phys = (dma_addr_t)mem->start;
- mtd = &host->mtd;
nand_chip = &host->nand_chip;
+ mtd = nand_to_mtd(nand_chip);
host->dev = &pdev->dev;
if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node) {
nand_set_flash_node(nand_chip, pdev->dev.of_node);
@@ -2283,7 +2284,7 @@ err_nand_ioremap:
static int atmel_nand_remove(struct platform_device *pdev)
{
struct atmel_nand_host *host = platform_get_drvdata(pdev);
- struct mtd_info *mtd = &host->mtd;
+ struct mtd_info *mtd = nand_to_mtd(&host->nand_chip);
nand_release(mtd);