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spl: nand: sunxi: make the reset column helper more generic

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Prepare the future use of an helper to move the data pointer (the
column) of the NAND chip by renaming nand_reset_column() to
nand_change_column(). Resetting the column is just a matter of giving 0
as argument.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
This commit is contained in:
Miquel Raynal 2018-02-28 20:51:52 +01:00 • committed by Maxime Ripard
parent 4dac80a5e9
commit 22f0aa0528
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GPG key ID: D2B4C094214DAF74
1 changed files with 5 additions and 5 deletions
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10
drivers/mtd/nand/sunxi_nand_spl.c
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@ -241,7 +241,7 @@ static int nand_load_page(const struct nfc_config *conf, u32 offs)
((conf->addr_cycles - 1) << NFC_ADDR_NUM_OFFSET));
}
static int nand_reset_column(void)
static int nand_change_column(u16 column)
{
int ret;
@ -249,7 +249,7 @@ static int nand_reset_column(void)
(NFC_CMD_RNDOUT << NFC_RANDOM_READ_CMD0_OFFSET) |
(NFC_CMD_RNDOUTSTART << NFC_READ_CMD_OFFSET),
SUNXI_NFC_BASE + NFC_RCMD_SET);
writel(0, SUNXI_NFC_BASE + NFC_ADDR_LOW);
writel(column, SUNXI_NFC_BASE + NFC_ADDR_LOW);
ret = nand_exec_cmd(NFC_SEND_CMD1 | NFC_SEND_CMD2 | NFC_RAW_CMD |
(1 << NFC_ADDR_NUM_OFFSET) | NFC_SEND_ADDR |
@ -416,7 +416,7 @@ static int nand_detect_ecc_config(struct nfc_config *conf, u32 offs,
conf->ecc_strength >= 0;
conf->ecc_strength--) {
conf->randomize = false;
if (nand_reset_column())
if (nand_change_column(0))
return -EIO;
/*
@ -436,7 +436,7 @@ static int nand_detect_ecc_config(struct nfc_config *conf, u32 offs,
conf->randomize = true;
conf->nseeds = ARRAY_SIZE(random_seed);
do {
if (nand_reset_column())
if (nand_change_column(0))
return -EIO;
if (!nand_read_page(conf, offs, dest,
@ -528,7 +528,7 @@ static int nand_read_buffer(struct nfc_config *conf, uint32_t offs,
/* Try to adjust ->nseeds and read the page again... */
conf->nseeds = cur_seed;
if (nand_reset_column())
if (nand_change_column(0))
return -EIO;
/* ... it still fails => it's a real corruption. */