diff options
Diffstat (limited to 'drivers/mtd/nand/raw/nand_legacy.c')
| -rw-r--r-- | drivers/mtd/nand/raw/nand_legacy.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/drivers/mtd/nand/raw/nand_legacy.c b/drivers/mtd/nand/raw/nand_legacy.c index 43575943f13b..743792edf98d 100644 --- a/drivers/mtd/nand/raw/nand_legacy.c +++ b/drivers/mtd/nand/raw/nand_legacy.c @@ -192,9 +192,10 @@ static void panic_nand_wait_ready(struct nand_chip *chip, unsigned long timeo) */ void nand_wait_ready(struct nand_chip *chip) { + struct mtd_info *mtd = nand_to_mtd(chip); unsigned long timeo = 400; - if (in_interrupt() || oops_in_progress) + if (mtd->oops_panic_write) return panic_nand_wait_ready(chip, timeo); /* Wait until command is processed or timeout occurs */ @@ -225,7 +226,8 @@ static void nand_wait_status_ready(struct nand_chip *chip, unsigned long timeo) do { u8 status; - ret = nand_read_data_op(chip, &status, sizeof(status), true); + ret = nand_read_data_op(chip, &status, sizeof(status), true, + false); if (ret) return; @@ -331,7 +333,7 @@ static void nand_command(struct nand_chip *chip, unsigned int command, */ if (column == -1 && page_addr == -1) return; - + fallthrough; default: /* * If we don't have access to the busy pin, we apply the given @@ -353,6 +355,9 @@ static void nand_command(struct nand_chip *chip, unsigned int command, static void nand_ccs_delay(struct nand_chip *chip) { + const struct nand_sdr_timings *sdr = + nand_get_sdr_timings(nand_get_interface_config(chip)); + /* * The controller already takes care of waiting for tCCS when the RNDIN * or RNDOUT command is sent, return directly. @@ -364,8 +369,8 @@ static void nand_ccs_delay(struct nand_chip *chip) * Wait tCCS_min if it is correctly defined, otherwise wait 500ns * (which should be safe for all NANDs). */ - if (nand_has_setup_data_iface(chip)) - ndelay(chip->data_interface.timings.sdr.tCCS_min / 1000); + if (!IS_ERR(sdr) && nand_controller_can_setup_interface(chip)) + ndelay(sdr->tCCS_min / 1000); else ndelay(500); } @@ -482,8 +487,7 @@ static void nand_command_lp(struct nand_chip *chip, unsigned int command, NAND_NCE | NAND_CLE | NAND_CTRL_CHANGE); chip->legacy.cmd_ctrl(chip, NAND_CMD_NONE, NAND_NCE | NAND_CTRL_CHANGE); - - /* This applies to read commands */ + fallthrough; /* This applies to read commands */ default: /* * If we don't have access to the busy pin, we apply the given @@ -528,7 +532,7 @@ EXPORT_SYMBOL(nand_get_set_features_notsupp); */ static int nand_wait(struct nand_chip *chip) { - + struct mtd_info *mtd = nand_to_mtd(chip); unsigned long timeo = 400; u8 status; int ret; @@ -543,9 +547,9 @@ static int nand_wait(struct nand_chip *chip) if (ret) return ret; - if (in_interrupt() || oops_in_progress) + if (mtd->oops_panic_write) { panic_nand_wait(chip, timeo); - else { + } else { timeo = jiffies + msecs_to_jiffies(timeo); do { if (chip->legacy.dev_ready) { @@ -553,7 +557,8 @@ static int nand_wait(struct nand_chip *chip) break; } else { ret = nand_read_data_op(chip, &status, - sizeof(status), true); + sizeof(status), true, + false); if (ret) return ret; @@ -564,7 +569,7 @@ static int nand_wait(struct nand_chip *chip) } while (time_before(jiffies, timeo)); } - ret = nand_read_data_op(chip, &status, sizeof(status), true); + ret = nand_read_data_op(chip, &status, sizeof(status), true, false); if (ret) return ret; |