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-rw-r--r--drivers/mtd/nand/fsmc_nand.c7
-rw-r--r--drivers/mtd/nand/mxc_nand.c12
-rw-r--r--drivers/mtd/nand/nand_base.c22
-rw-r--r--drivers/mtd/nand/s3c2410.c5
-rw-r--r--drivers/mtd/nand/sunxi_nand.c7
-rw-r--r--drivers/mtd/nand/tango_nand.c7
-rw-r--r--include/linux/mtd/nand.h12
7 files changed, 37 insertions, 35 deletions
diff --git a/drivers/mtd/nand/fsmc_nand.c b/drivers/mtd/nand/fsmc_nand.c
index de57554b8c4f..9d8b051d3187 100644
--- a/drivers/mtd/nand/fsmc_nand.c
+++ b/drivers/mtd/nand/fsmc_nand.c
@@ -388,9 +388,8 @@ static int fsmc_calc_timings(struct fsmc_nand_data *host,
return 0;
}
-static int fsmc_setup_data_interface(struct mtd_info *mtd,
- const struct nand_data_interface *conf,
- bool check_only)
+static int fsmc_setup_data_interface(struct mtd_info *mtd, int csline,
+ const struct nand_data_interface *conf)
{
struct nand_chip *nand = mtd_to_nand(mtd);
struct fsmc_nand_data *host = nand_get_controller_data(nand);
@@ -406,7 +405,7 @@ static int fsmc_setup_data_interface(struct mtd_info *mtd,
if (ret)
return ret;
- if (check_only)
+ if (csline == NAND_DATA_IFACE_CHECK_ONLY)
return 0;
fsmc_nand_setup(host, &tims);
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 61ca020c5272..a764d5ca7536 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -152,9 +152,8 @@ struct mxc_nand_devtype_data {
void (*select_chip)(struct mtd_info *mtd, int chip);
int (*correct_data)(struct mtd_info *mtd, u_char *dat,
u_char *read_ecc, u_char *calc_ecc);
- int (*setup_data_interface)(struct mtd_info *mtd,
- const struct nand_data_interface *conf,
- bool check_only);
+ int (*setup_data_interface)(struct mtd_info *mtd, int csline,
+ const struct nand_data_interface *conf);
/*
* On i.MX21 the CONFIG2:INT bit cannot be read if interrupts are masked
@@ -1015,9 +1014,8 @@ static void preset_v1(struct mtd_info *mtd)
writew(0x4, NFC_V1_V2_WRPROT);
}
-static int mxc_nand_v2_setup_data_interface(struct mtd_info *mtd,
- const struct nand_data_interface *conf,
- bool check_only)
+static int mxc_nand_v2_setup_data_interface(struct mtd_info *mtd, int csline,
+ const struct nand_data_interface *conf)
{
struct nand_chip *nand_chip = mtd_to_nand(mtd);
struct mxc_nand_host *host = nand_get_controller_data(nand_chip);
@@ -1075,7 +1073,7 @@ static int mxc_nand_v2_setup_data_interface(struct mtd_info *mtd,
return -EINVAL;
}
- if (check_only)
+ if (csline == NAND_DATA_IFACE_CHECK_ONLY)
return 0;
ret = clk_set_rate(host->clk, rate);
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 79d98c9fa8a7..3317acf0ce04 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1042,12 +1042,13 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *chip)
/**
* nand_reset_data_interface - Reset data interface and timings
* @chip: The NAND chip
+ * @chipnr: Internal die id
*
* Reset the Data interface and timings to ONFI mode 0.
*
* Returns 0 for success or negative error code otherwise.
*/
-static int nand_reset_data_interface(struct nand_chip *chip)
+static int nand_reset_data_interface(struct nand_chip *chip, int chipnr)
{
struct mtd_info *mtd = nand_to_mtd(chip);
const struct nand_data_interface *conf;
@@ -1071,7 +1072,7 @@ static int nand_reset_data_interface(struct nand_chip *chip)
*/
conf = nand_get_default_data_interface();
- ret = chip->setup_data_interface(mtd, conf, false);
+ ret = chip->setup_data_interface(mtd, chipnr, conf);
if (ret)
pr_err("Failed to configure data interface to SDR timing mode 0\n");
@@ -1081,6 +1082,7 @@ static int nand_reset_data_interface(struct nand_chip *chip)
/**
* nand_setup_data_interface - Setup the best data interface and timings
* @chip: The NAND chip
+ * @chipnr: Internal die id
*
* Find and configure the best data interface and NAND timings supported by
* the chip and the driver.
@@ -1090,7 +1092,7 @@ static int nand_reset_data_interface(struct nand_chip *chip)
*
* Returns 0 for success or negative error code otherwise.
*/
-static int nand_setup_data_interface(struct nand_chip *chip)
+static int nand_setup_data_interface(struct nand_chip *chip, int chipnr)
{
struct mtd_info *mtd = nand_to_mtd(chip);
int ret;
@@ -1114,7 +1116,7 @@ static int nand_setup_data_interface(struct nand_chip *chip)
goto err;
}
- ret = chip->setup_data_interface(mtd, chip->data_interface, false);
+ ret = chip->setup_data_interface(mtd, chipnr, chip->data_interface);
err:
return ret;
}
@@ -1165,8 +1167,10 @@ static int nand_init_data_interface(struct nand_chip *chip)
if (ret)
continue;
- ret = chip->setup_data_interface(mtd, chip->data_interface,
- true);
+ /* Pass -1 to only */
+ ret = chip->setup_data_interface(mtd,
+ NAND_DATA_IFACE_CHECK_ONLY,
+ chip->data_interface);
if (!ret) {
chip->onfi_timing_mode_default = mode;
break;
@@ -1193,7 +1197,7 @@ int nand_reset(struct nand_chip *chip, int chipnr)
struct mtd_info *mtd = nand_to_mtd(chip);
int ret;
- ret = nand_reset_data_interface(chip);
+ ret = nand_reset_data_interface(chip, chipnr);
if (ret)
return ret;
@@ -1206,7 +1210,7 @@ int nand_reset(struct nand_chip *chip, int chipnr)
chip->select_chip(mtd, -1);
chip->select_chip(mtd, chipnr);
- ret = nand_setup_data_interface(chip);
+ ret = nand_setup_data_interface(chip, chipnr);
chip->select_chip(mtd, -1);
if (ret)
return ret;
@@ -4396,7 +4400,7 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips,
* For the other dies, nand_reset() will automatically switch to the
* best mode for us.
*/
- ret = nand_setup_data_interface(chip);
+ ret = nand_setup_data_interface(chip, 0);
if (ret)
return ret;
diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index f0b030d44f71..9e0c849607b9 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -812,9 +812,8 @@ static int s3c2410_nand_add_partition(struct s3c2410_nand_info *info,
return -ENODEV;
}
-static int s3c2410_nand_setup_data_interface(struct mtd_info *mtd,
- const struct nand_data_interface *conf,
- bool check_only)
+static int s3c2410_nand_setup_data_interface(struct mtd_info *mtd, int csline,
+ const struct nand_data_interface *conf)
{
struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
struct s3c2410_platform_nand *pdata = info->platform;
diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c
index 118a26fff368..9c2dbe352c43 100644
--- a/drivers/mtd/nand/sunxi_nand.c
+++ b/drivers/mtd/nand/sunxi_nand.c
@@ -1592,9 +1592,8 @@ static int _sunxi_nand_lookup_timing(const s32 *lut, int lut_size, u32 duration,
#define sunxi_nand_lookup_timing(l, p, c) \
_sunxi_nand_lookup_timing(l, ARRAY_SIZE(l), p, c)
-static int sunxi_nfc_setup_data_interface(struct mtd_info *mtd,
- const struct nand_data_interface *conf,
- bool check_only)
+static int sunxi_nfc_setup_data_interface(struct mtd_info *mtd, int csline,
+ const struct nand_data_interface *conf)
{
struct nand_chip *nand = mtd_to_nand(mtd);
struct sunxi_nand_chip *chip = to_sunxi_nand(nand);
@@ -1707,7 +1706,7 @@ static int sunxi_nfc_setup_data_interface(struct mtd_info *mtd,
return tRHW;
}
- if (check_only)
+ if (csline == NAND_DATA_IFACE_CHECK_ONLY)
return 0;
/*
diff --git a/drivers/mtd/nand/tango_nand.c b/drivers/mtd/nand/tango_nand.c
index 05b6e1065203..85e0d97593e8 100644
--- a/drivers/mtd/nand/tango_nand.c
+++ b/drivers/mtd/nand/tango_nand.c
@@ -476,9 +476,8 @@ static u32 to_ticks(int kHz, int ps)
return DIV_ROUND_UP_ULL((u64)kHz * ps, NSEC_PER_SEC);
}
-static int tango_set_timings(struct mtd_info *mtd,
- const struct nand_data_interface *conf,
- bool check_only)
+static int tango_set_timings(struct mtd_info *mtd, int csline,
+ const struct nand_data_interface *conf)
{
const struct nand_sdr_timings *sdr = nand_get_sdr_timings(conf);
struct nand_chip *chip = mtd_to_nand(mtd);
@@ -490,7 +489,7 @@ static int tango_set_timings(struct mtd_info *mtd,
if (IS_ERR(sdr))
return PTR_ERR(sdr);
- if (check_only)
+ if (csline == NAND_DATA_IFACE_CHECK_ONLY)
return 0;
Trdy = to_ticks(kHz, sdr->tCEA_max - sdr->tREA_max);
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 893d0ce08030..9de3686e738c 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -107,6 +107,8 @@ int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
#define NAND_STATUS_READY 0x40
#define NAND_STATUS_WP 0x80
+#define NAND_DATA_IFACE_CHECK_ONLY -1
+
/*
* Constants for ECC_MODES
*/
@@ -818,7 +820,10 @@ struct nand_manufacturer_ops {
* @read_retries: [INTERN] the number of read retry modes supported
* @onfi_set_features: [REPLACEABLE] set the features for ONFI nand
* @onfi_get_features: [REPLACEABLE] get the features for ONFI nand
- * @setup_data_interface: [OPTIONAL] setup the data interface and timing
+ * @setup_data_interface: [OPTIONAL] setup the data interface and timing. If
+ * chipnr is set to %NAND_DATA_IFACE_CHECK_ONLY this
+ * means the configuration should not be applied but
+ * only checked.
* @bbt: [INTERN] bad block table pointer
* @bbt_td: [REPLACEABLE] bad block table descriptor for flash
* lookup.
@@ -862,9 +867,8 @@ struct nand_chip {
int (*onfi_get_features)(struct mtd_info *mtd, struct nand_chip *chip,
int feature_addr, uint8_t *subfeature_para);
int (*setup_read_retry)(struct mtd_info *mtd, int retry_mode);
- int (*setup_data_interface)(struct mtd_info *mtd,
- const struct nand_data_interface *conf,
- bool check_only);
+ int (*setup_data_interface)(struct mtd_info *mtd, int chipnr,
+ const struct nand_data_interface *conf);
int chip_delay;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 11:40:33 +0000