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mtd: rawnand: sunxi: Use a consistent name for sunxi_nand_chip objects 

sunxi_nand_chip objects are sometimes called chip and other times
called sunxi_nand. Make that consistent and name all occurrences
sunxi_nand.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
This commit is contained in:
Boris Brezillon 2018-12-15 09:24:31 +01:00 committed by Miquel Raynal
parent 33c8cf4215
commit f385ebf074
1 changed files with 29 additions and 27 deletions
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56
drivers/mtd/nand/raw/sunxi_nand.c
View File

@ -1471,8 +1471,8 @@ static int _sunxi_nand_lookup_timing(const s32 *lut, int lut_size, u32 duration,
static int sunxi_nfc_setup_data_interface(struct nand_chip *nand, int csline,
const struct nand_data_interface *conf)
{
struct sunxi_nand_chip *chip = to_sunxi_nand(nand);
struct sunxi_nfc *nfc = to_sunxi_nfc(chip->nand.controller);
struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand);
struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller);
const struct nand_sdr_timings *timings;
u32 min_clk_period = 0;
s32 tWB, tADL, tWHR, tRHW, tCAD;
@ -1591,7 +1591,7 @@ static int sunxi_nfc_setup_data_interface(struct nand_chip *nand, int csline,
tCAD = 0x7;
/* TODO: A83 has some more bits for CDQSS, CS, CLHZ, CCS, WC */
chip->timing_cfg = NFC_TIMING_CFG(tWB, tADL, tWHR, tRHW, tCAD);
sunxi_nand->timing_cfg = NFC_TIMING_CFG(tWB, tADL, tWHR, tRHW, tCAD);
/* Convert min_clk_period from picoseconds to nanoseconds */
min_clk_period = DIV_ROUND_UP(min_clk_period, 1000);
@ -1602,10 +1602,11 @@ static int sunxi_nfc_setup_data_interface(struct nand_chip *nand, int csline,
* This new formula was verified with a scope and validated by
* Allwinner engineers.
*/
chip->clk_rate = NSEC_PER_SEC / min_clk_period;
real_clk_rate = clk_round_rate(nfc->mod_clk, chip->clk_rate);
sunxi_nand->clk_rate = NSEC_PER_SEC / min_clk_period;
real_clk_rate = clk_round_rate(nfc->mod_clk, sunxi_nand->clk_rate);
if (real_clk_rate <= 0) {
dev_err(nfc->dev, "Unable to round clk %lu\n", chip->clk_rate);
dev_err(nfc->dev, "Unable to round clk %lu\n",
sunxi_nand->clk_rate);
return -EINVAL;
}
@ -1615,8 +1616,8 @@ static int sunxi_nfc_setup_data_interface(struct nand_chip *nand, int csline,
* 30 ns.
*/
min_clk_period = NSEC_PER_SEC / real_clk_rate;
chip->timing_ctl = ((min_clk_period * 2) < 30) ?
NFC_TIMING_CTL_EDO : 0;
sunxi_nand->timing_ctl = ((min_clk_period * 2) < 30) ?
NFC_TIMING_CTL_EDO : 0;
return 0;
}
@ -1853,7 +1854,7 @@ static const struct nand_controller_ops sunxi_nand_controller_ops = {
static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc,
struct device_node *np)
{
struct sunxi_nand_chip *chip;
struct sunxi_nand_chip *sunxi_nand;
struct mtd_info *mtd;
struct nand_chip *nand;
int nsels;
@ -1870,17 +1871,17 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc,
return -EINVAL;
}
chip = devm_kzalloc(dev,
sizeof(*chip) +
(nsels * sizeof(struct sunxi_nand_chip_sel)),
GFP_KERNEL);
if (!chip) {
sunxi_nand = devm_kzalloc(dev,
sizeof(*sunxi_nand) +
(nsels * sizeof(struct sunxi_nand_chip_sel)),
GFP_KERNEL);
if (!sunxi_nand) {
dev_err(dev, "could not allocate chip\n");
return -ENOMEM;
}
chip->nsels = nsels;
chip->selected = -1;
sunxi_nand->nsels = nsels;
sunxi_nand->selected = -1;
for (i = 0; i < nsels; i++) {
ret = of_property_read_u32_index(np, "reg", i, &tmp);
@ -1902,16 +1903,16 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc,
return -EINVAL;
}
chip->sels[i].cs = tmp;
sunxi_nand->sels[i].cs = tmp;
if (!of_property_read_u32_index(np, "allwinner,rb", i, &tmp) &&
tmp < 2)
chip->sels[i].rb = tmp;
sunxi_nand->sels[i].rb = tmp;
else
chip->sels[i].rb = -1;
sunxi_nand->sels[i].rb = -1;
}
nand = &chip->nand;
nand = &sunxi_nand->nand;
/* Default tR value specified in the ONFI spec (chapter 4.15.1) */
nand->legacy.chip_delay = 200;
nand->controller = &nfc->controller;
@ -1943,7 +1944,7 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc,
return ret;
}
list_add_tail(&chip->node, &nfc->chips);
list_add_tail(&sunxi_nand->node, &nfc->chips);
return 0;
}
@ -1973,14 +1974,15 @@ static int sunxi_nand_chips_init(struct device *dev, struct sunxi_nfc *nfc)
static void sunxi_nand_chips_cleanup(struct sunxi_nfc *nfc)
{
struct sunxi_nand_chip *chip;
struct sunxi_nand_chip *sunxi_nand;
while (!list_empty(&nfc->chips)) {
chip = list_first_entry(&nfc->chips, struct sunxi_nand_chip,
node);
nand_release(&chip->nand);
sunxi_nand_ecc_cleanup(&chip->nand.ecc);
list_del(&chip->node);
sunxi_nand = list_first_entry(&nfc->chips,
struct sunxi_nand_chip,
node);
nand_release(&sunxi_nand->nand);
sunxi_nand_ecc_cleanup(&sunxi_nand->nand.ecc);
list_del(&sunxi_nand->node);
}
}