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path: root/drivers/mtd/nand/raw/nandsim.c
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Diffstat (limited to 'drivers/mtd/nand/raw/nandsim.c')
-rw-r--r--drivers/mtd/nand/raw/nandsim.c248
1 files changed, 131 insertions, 117 deletions
diff --git a/drivers/mtd/nand/raw/nandsim.c b/drivers/mtd/nand/raw/nandsim.c
index ea46f7011a0f..2c335cc8bcdf 100644
--- a/drivers/mtd/nand/raw/nandsim.c
+++ b/drivers/mtd/nand/raw/nandsim.c
@@ -432,7 +432,7 @@ static unsigned long total_wear = 0;
/* MTD structure for NAND controller */
static struct mtd_info *nsmtd;
-static int nandsim_show(struct seq_file *m, void *private)
+static int ns_show(struct seq_file *m, void *private)
{
unsigned long wmin = -1, wmax = 0, avg;
unsigned long deciles[10], decile_max[10], tot = 0;
@@ -483,16 +483,16 @@ static int nandsim_show(struct seq_file *m, void *private)
return 0;
}
-DEFINE_SHOW_ATTRIBUTE(nandsim);
+DEFINE_SHOW_ATTRIBUTE(ns);
/**
- * nandsim_debugfs_create - initialize debugfs
+ * ns_debugfs_create - initialize debugfs
* @ns: nandsim device description object
*
* This function creates all debugfs files for UBI device @ubi. Returns zero in
* case of success and a negative error code in case of failure.
*/
-static int nandsim_debugfs_create(struct nandsim *ns)
+static int ns_debugfs_create(struct nandsim *ns)
{
struct dentry *root = nsmtd->dbg.dfs_dir;
struct dentry *dent;
@@ -509,7 +509,7 @@ static int nandsim_debugfs_create(struct nandsim *ns)
}
dent = debugfs_create_file("nandsim_wear_report", 0400, root, ns,
- &nandsim_fops);
+ &ns_fops);
if (IS_ERR_OR_NULL(dent)) {
NS_ERR("cannot create \"nandsim_wear_report\" debugfs entry\n");
return -1;
@@ -524,7 +524,7 @@ static int nandsim_debugfs_create(struct nandsim *ns)
*
* RETURNS: 0 if success, -ENOMEM if memory alloc fails.
*/
-static int __init alloc_device(struct nandsim *ns)
+static int __init ns_alloc_device(struct nandsim *ns)
{
struct file *cfile;
int i, err;
@@ -588,7 +588,7 @@ err_close:
/*
* Free any allocated pages, and free the array of page pointers.
*/
-static void free_device(struct nandsim *ns)
+static void ns_free_device(struct nandsim *ns)
{
int i;
@@ -610,7 +610,7 @@ static void free_device(struct nandsim *ns)
}
}
-static char __init *get_partition_name(int i)
+static char __init *ns_get_partition_name(int i)
{
return kasprintf(GFP_KERNEL, "NAND simulator partition %d", i);
}
@@ -620,7 +620,7 @@ static char __init *get_partition_name(int i)
*
* RETURNS: 0 if success, -ERRNO if failure.
*/
-static int __init init_nandsim(struct mtd_info *mtd)
+static int __init ns_init(struct mtd_info *mtd)
{
struct nand_chip *chip = mtd_to_nand(mtd);
struct nandsim *ns = nand_get_controller_data(chip);
@@ -693,7 +693,7 @@ static int __init init_nandsim(struct mtd_info *mtd)
NS_ERR("bad partition size.\n");
return -EINVAL;
}
- ns->partitions[i].name = get_partition_name(i);
+ ns->partitions[i].name = ns_get_partition_name(i);
if (!ns->partitions[i].name) {
NS_ERR("unable to allocate memory.\n");
return -ENOMEM;
@@ -709,7 +709,7 @@ static int __init init_nandsim(struct mtd_info *mtd)
NS_ERR("too many partitions.\n");
return -EINVAL;
}
- ns->partitions[i].name = get_partition_name(i);
+ ns->partitions[i].name = ns_get_partition_name(i);
if (!ns->partitions[i].name) {
NS_ERR("unable to allocate memory.\n");
return -ENOMEM;
@@ -739,7 +739,7 @@ static int __init init_nandsim(struct mtd_info *mtd)
printk("sector address bytes: %u\n", ns->geom.secaddrbytes);
printk("options: %#x\n", ns->options);
- if ((ret = alloc_device(ns)) != 0)
+ if ((ret = ns_alloc_device(ns)) != 0)
return ret;
/* Allocate / initialize the internal buffer */
@@ -757,15 +757,15 @@ static int __init init_nandsim(struct mtd_info *mtd)
/*
* Free the nandsim structure.
*/
-static void free_nandsim(struct nandsim *ns)
+static void ns_free(struct nandsim *ns)
{
kfree(ns->buf.byte);
- free_device(ns);
+ ns_free_device(ns);
return;
}
-static int parse_badblocks(struct nandsim *ns, struct mtd_info *mtd)
+static int ns_parse_badblocks(struct nandsim *ns, struct mtd_info *mtd)
{
char *w;
int zero_ok;
@@ -793,7 +793,7 @@ static int parse_badblocks(struct nandsim *ns, struct mtd_info *mtd)
return 0;
}
-static int parse_weakblocks(void)
+static int ns_parse_weakblocks(void)
{
char *w;
int zero_ok;
@@ -830,7 +830,7 @@ static int parse_weakblocks(void)
return 0;
}
-static int erase_error(unsigned int erase_block_no)
+static int ns_erase_error(unsigned int erase_block_no)
{
struct weak_block *wb;
@@ -844,7 +844,7 @@ static int erase_error(unsigned int erase_block_no)
return 0;
}
-static int parse_weakpages(void)
+static int ns_parse_weakpages(void)
{
char *w;
int zero_ok;
@@ -881,7 +881,7 @@ static int parse_weakpages(void)
return 0;
}
-static int write_error(unsigned int page_no)
+static int ns_write_error(unsigned int page_no)
{
struct weak_page *wp;
@@ -895,7 +895,7 @@ static int write_error(unsigned int page_no)
return 0;
}
-static int parse_gravepages(void)
+static int ns_parse_gravepages(void)
{
char *g;
int zero_ok;
@@ -932,7 +932,7 @@ static int parse_gravepages(void)
return 0;
}
-static int read_error(unsigned int page_no)
+static int ns_read_error(unsigned int page_no)
{
struct grave_page *gp;
@@ -946,7 +946,7 @@ static int read_error(unsigned int page_no)
return 0;
}
-static void free_lists(void)
+static void ns_free_lists(void)
{
struct list_head *pos, *n;
list_for_each_safe(pos, n, &weak_blocks) {
@@ -964,7 +964,7 @@ static void free_lists(void)
kfree(erase_block_wear);
}
-static int setup_wear_reporting(struct mtd_info *mtd)
+static int ns_setup_wear_reporting(struct mtd_info *mtd)
{
size_t mem;
@@ -982,7 +982,7 @@ static int setup_wear_reporting(struct mtd_info *mtd)
return 0;
}
-static void update_wear(unsigned int erase_block_no)
+static void ns_update_wear(unsigned int erase_block_no)
{
if (!erase_block_wear)
return;
@@ -1001,7 +1001,7 @@ static void update_wear(unsigned int erase_block_no)
/*
* Returns the string representation of 'state' state.
*/
-static char *get_state_name(uint32_t state)
+static char *ns_get_state_name(uint32_t state)
{
switch (NS_STATE(state)) {
case STATE_CMD_READ0:
@@ -1061,7 +1061,7 @@ static char *get_state_name(uint32_t state)
*
* RETURNS: 1 if wrong command, 0 if right.
*/
-static int check_command(int cmd)
+static int ns_check_command(int cmd)
{
switch (cmd) {
@@ -1088,7 +1088,7 @@ static int check_command(int cmd)
/*
* Returns state after command is accepted by command number.
*/
-static uint32_t get_state_by_command(unsigned command)
+static uint32_t ns_get_state_by_command(unsigned command)
{
switch (command) {
case NAND_CMD_READ0:
@@ -1126,7 +1126,7 @@ static uint32_t get_state_by_command(unsigned command)
/*
* Move an address byte to the correspondent internal register.
*/
-static inline void accept_addr_byte(struct nandsim *ns, u_char bt)
+static inline void ns_accept_addr_byte(struct nandsim *ns, u_char bt)
{
uint byte = (uint)bt;
@@ -1144,9 +1144,10 @@ static inline void accept_addr_byte(struct nandsim *ns, u_char bt)
/*
* Switch to STATE_READY state.
*/
-static inline void switch_to_ready_state(struct nandsim *ns, u_char status)
+static inline void ns_switch_to_ready_state(struct nandsim *ns, u_char status)
{
- NS_DBG("switch_to_ready_state: switch to %s state\n", get_state_name(STATE_READY));
+ NS_DBG("switch_to_ready_state: switch to %s state\n",
+ ns_get_state_name(STATE_READY));
ns->state = STATE_READY;
ns->nxstate = STATE_UNKNOWN;
@@ -1203,7 +1204,7 @@ static inline void switch_to_ready_state(struct nandsim *ns, u_char status)
* -1 - several matches.
* 0 - operation is found.
*/
-static int find_operation(struct nandsim *ns, uint32_t flag)
+static int ns_find_operation(struct nandsim *ns, uint32_t flag)
{
int opsfound = 0;
int i, j, idx = 0;
@@ -1256,7 +1257,8 @@ static int find_operation(struct nandsim *ns, uint32_t flag)
ns->state = ns->op[ns->stateidx];
ns->nxstate = ns->op[ns->stateidx + 1];
NS_DBG("find_operation: operation found, index: %d, state: %s, nxstate %s\n",
- idx, get_state_name(ns->state), get_state_name(ns->nxstate));
+ idx, ns_get_state_name(ns->state),
+ ns_get_state_name(ns->nxstate));
return 0;
}
@@ -1264,13 +1266,13 @@ static int find_operation(struct nandsim *ns, uint32_t flag)
/* Nothing was found. Try to ignore previous commands (if any) and search again */
if (ns->npstates != 0) {
NS_DBG("find_operation: no operation found, try again with state %s\n",
- get_state_name(ns->state));
+ ns_get_state_name(ns->state));
ns->npstates = 0;
- return find_operation(ns, 0);
+ return ns_find_operation(ns, 0);
}
NS_DBG("find_operation: no operations found\n");
- switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
+ ns_switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
return -2;
}
@@ -1287,7 +1289,7 @@ static int find_operation(struct nandsim *ns, uint32_t flag)
return -1;
}
-static void put_pages(struct nandsim *ns)
+static void ns_put_pages(struct nandsim *ns)
{
int i;
@@ -1296,7 +1298,8 @@ static void put_pages(struct nandsim *ns)
}
/* Get page cache pages in advance to provide NOFS memory allocation */
-static int get_pages(struct nandsim *ns, struct file *file, size_t count, loff_t pos)
+static int ns_get_pages(struct nandsim *ns, struct file *file, size_t count,
+ loff_t pos)
{
pgoff_t index, start_index, end_index;
struct page *page;
@@ -1316,7 +1319,7 @@ static int get_pages(struct nandsim *ns, struct file *file, size_t count, loff_t
page = find_or_create_page(mapping, index, GFP_NOFS);
}
if (page == NULL) {
- put_pages(ns);
+ ns_put_pages(ns);
return -ENOMEM;
}
unlock_page(page);
@@ -1326,35 +1329,37 @@ static int get_pages(struct nandsim *ns, struct file *file, size_t count, loff_t
return 0;
}
-static ssize_t read_file(struct nandsim *ns, struct file *file, void *buf, size_t count, loff_t pos)
+static ssize_t ns_read_file(struct nandsim *ns, struct file *file, void *buf,
+ size_t count, loff_t pos)
{
ssize_t tx;
int err;
unsigned int noreclaim_flag;
- err = get_pages(ns, file, count, pos);
+ err = ns_get_pages(ns, file, count, pos);
if (err)
return err;
noreclaim_flag = memalloc_noreclaim_save();
tx = kernel_read(file, buf, count, &pos);
memalloc_noreclaim_restore(noreclaim_flag);
- put_pages(ns);
+ ns_put_pages(ns);
return tx;
}
-static ssize_t write_file(struct nandsim *ns, struct file *file, void *buf, size_t count, loff_t pos)
+static ssize_t ns_write_file(struct nandsim *ns, struct file *file, void *buf,
+ size_t count, loff_t pos)
{
ssize_t tx;
int err;
unsigned int noreclaim_flag;
- err = get_pages(ns, file, count, pos);
+ err = ns_get_pages(ns, file, count, pos);
if (err)
return err;
noreclaim_flag = memalloc_noreclaim_save();
tx = kernel_write(file, buf, count, &pos);
memalloc_noreclaim_restore(noreclaim_flag);
- put_pages(ns);
+ ns_put_pages(ns);
return tx;
}
@@ -1374,11 +1379,11 @@ static inline u_char *NS_PAGE_BYTE_OFF(struct nandsim *ns)
return NS_GET_PAGE(ns)->byte + ns->regs.column + ns->regs.off;
}
-static int do_read_error(struct nandsim *ns, int num)
+static int ns_do_read_error(struct nandsim *ns, int num)
{
unsigned int page_no = ns->regs.row;
- if (read_error(page_no)) {
+ if (ns_read_error(page_no)) {
prandom_bytes(ns->buf.byte, num);
NS_WARN("simulating read error in page %u\n", page_no);
return 1;
@@ -1386,7 +1391,7 @@ static int do_read_error(struct nandsim *ns, int num)
return 0;
}
-static void do_bit_flips(struct nandsim *ns, int num)
+static void ns_do_bit_flips(struct nandsim *ns, int num)
{
if (bitflips && prandom_u32() < (1 << 22)) {
int flips = 1;
@@ -1406,7 +1411,7 @@ static void do_bit_flips(struct nandsim *ns, int num)
/*
* Fill the NAND buffer with data read from the specified page.
*/
-static void read_page(struct nandsim *ns, int num)
+static void ns_read_page(struct nandsim *ns, int num)
{
union ns_mem *mypage;
@@ -1420,15 +1425,16 @@ static void read_page(struct nandsim *ns, int num)
NS_DBG("read_page: page %d written, reading from %d\n",
ns->regs.row, ns->regs.column + ns->regs.off);
- if (do_read_error(ns, num))
+ if (ns_do_read_error(ns, num))
return;
pos = (loff_t)NS_RAW_OFFSET(ns) + ns->regs.off;
- tx = read_file(ns, ns->cfile, ns->buf.byte, num, pos);
+ tx = ns_read_file(ns, ns->cfile, ns->buf.byte, num,
+ pos);
if (tx != num) {
NS_ERR("read_page: read error for page %d ret %ld\n", ns->regs.row, (long)tx);
return;
}
- do_bit_flips(ns, num);
+ ns_do_bit_flips(ns, num);
}
return;
}
@@ -1440,17 +1446,17 @@ static void read_page(struct nandsim *ns, int num)
} else {
NS_DBG("read_page: page %d allocated, reading from %d\n",
ns->regs.row, ns->regs.column + ns->regs.off);
- if (do_read_error(ns, num))
+ if (ns_do_read_error(ns, num))
return;
memcpy(ns->buf.byte, NS_PAGE_BYTE_OFF(ns), num);
- do_bit_flips(ns, num);
+ ns_do_bit_flips(ns, num);
}
}
/*
* Erase all pages in the specified sector.
*/
-static void erase_sector(struct nandsim *ns)
+static void ns_erase_sector(struct nandsim *ns)
{
union ns_mem *mypage;
int i;
@@ -1478,7 +1484,7 @@ static void erase_sector(struct nandsim *ns)
/*
* Program the specified page with the contents from the NAND buffer.
*/
-static int prog_page(struct nandsim *ns, int num)
+static int ns_prog_page(struct nandsim *ns, int num)
{
int i;
union ns_mem *mypage;
@@ -1497,7 +1503,7 @@ static int prog_page(struct nandsim *ns, int num)
memset(ns->file_buf, 0xff, ns->geom.pgszoob);
} else {
all = 0;
- tx = read_file(ns, ns->cfile, pg_off, num, off);
+ tx = ns_read_file(ns, ns->cfile, pg_off, num, off);
if (tx != num) {
NS_ERR("prog_page: read error for page %d ret %ld\n", ns->regs.row, (long)tx);
return -1;
@@ -1507,14 +1513,15 @@ static int prog_page(struct nandsim *ns, int num)
pg_off[i] &= ns->buf.byte[i];
if (all) {
loff_t pos = (loff_t)ns->regs.row * ns->geom.pgszoob;
- tx = write_file(ns, ns->cfile, ns->file_buf, ns->geom.pgszoob, pos);
+ tx = ns_write_file(ns, ns->cfile, ns->file_buf,
+ ns->geom.pgszoob, pos);
if (tx != ns->geom.pgszoob) {
NS_ERR("prog_page: write error for page %d ret %ld\n", ns->regs.row, (long)tx);
return -1;
}
__set_bit(ns->regs.row, ns->pages_written);
} else {
- tx = write_file(ns, ns->cfile, pg_off, num, off);
+ tx = ns_write_file(ns, ns->cfile, pg_off, num, off);
if (tx != num) {
NS_ERR("prog_page: write error for page %d ret %ld\n", ns->regs.row, (long)tx);
return -1;
@@ -1552,7 +1559,7 @@ static int prog_page(struct nandsim *ns, int num)
*
* RETURNS: 0 if success, -1 if error.
*/
-static int do_state_action(struct nandsim *ns, uint32_t action)
+static int ns_do_state_action(struct nandsim *ns, uint32_t action)
{
int num;
int busdiv = ns->busw == 8 ? 1 : 2;
@@ -1579,7 +1586,7 @@ static int do_state_action(struct nandsim *ns, uint32_t action)
break;
}
num = ns->geom.pgszoob - ns->regs.off - ns->regs.column;
- read_page(ns, num);
+ ns_read_page(ns, num);
NS_DBG("do_state_action: (ACTION_CPY:) copy %d bytes to int buf, raw offset %d\n",
num, NS_RAW_OFFSET(ns) + ns->regs.off);
@@ -1622,14 +1629,14 @@ static int do_state_action(struct nandsim *ns, uint32_t action)
ns->regs.row, NS_RAW_OFFSET(ns));
NS_LOG("erase sector %u\n", erase_block_no);
- erase_sector(ns);
+ ns_erase_sector(ns);
NS_MDELAY(erase_delay);
if (erase_block_wear)
- update_wear(erase_block_no);
+ ns_update_wear(erase_block_no);
- if (erase_error(erase_block_no)) {
+ if (ns_erase_error(erase_block_no)) {
NS_WARN("simulating erase failure in erase block %u\n", erase_block_no);
return -1;
}
@@ -1653,7 +1660,7 @@ static int do_state_action(struct nandsim *ns, uint32_t action)
return -1;
}
- if (prog_page(ns, num) == -1)
+ if (ns_prog_page(ns, num) == -1)
return -1;
page_no = ns->regs.row;
@@ -1665,7 +1672,7 @@ static int do_state_action(struct nandsim *ns, uint32_t action)
NS_UDELAY(programm_delay);
NS_UDELAY(output_cycle * ns->geom.pgsz / 1000 / busdiv);
- if (write_error(page_no)) {
+ if (ns_write_error(page_no)) {
NS_WARN("simulating write failure in page %u\n", page_no);
return -1;
}
@@ -1702,7 +1709,7 @@ static int do_state_action(struct nandsim *ns, uint32_t action)
/*
* Switch simulator's state.
*/
-static void switch_state(struct nandsim *ns)
+static void ns_switch_state(struct nandsim *ns)
{
if (ns->op) {
/*
@@ -1716,11 +1723,13 @@ static void switch_state(struct nandsim *ns)
NS_DBG("switch_state: operation is known, switch to the next state, "
"state: %s, nxstate: %s\n",
- get_state_name(ns->state), get_state_name(ns->nxstate));
+ ns_get_state_name(ns->state),
+ ns_get_state_name(ns->nxstate));
/* See, whether we need to do some action */
- if ((ns->state & ACTION_MASK) && do_state_action(ns, ns->state) < 0) {
- switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
+ if ((ns->state & ACTION_MASK) &&
+ ns_do_state_action(ns, ns->state) < 0) {
+ ns_switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
return;
}
@@ -1734,15 +1743,16 @@ static void switch_state(struct nandsim *ns)
* The only event causing the switch_state function to
* be called with yet unknown operation is new command.
*/
- ns->state = get_state_by_command(ns->regs.command);
+ ns->state = ns_get_state_by_command(ns->regs.command);
NS_DBG("switch_state: operation is unknown, try to find it\n");
- if (find_operation(ns, 0) != 0)
+ if (ns_find_operation(ns, 0) != 0)
return;
- if ((ns->state & ACTION_MASK) && do_state_action(ns, ns->state) < 0) {
- switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
+ if ((ns->state & ACTION_MASK) &&
+ ns_do_state_action(ns, ns->state) < 0) {
+ ns_switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
return;
}
}
@@ -1770,7 +1780,7 @@ static void switch_state(struct nandsim *ns)
NS_DBG("switch_state: operation complete, switch to STATE_READY state\n");
- switch_to_ready_state(ns, status);
+ ns_switch_to_ready_state(ns, status);
return;
} else if (ns->nxstate & (STATE_DATAIN_MASK | STATE_DATAOUT_MASK)) {
@@ -1784,7 +1794,8 @@ static void switch_state(struct nandsim *ns)
NS_DBG("switch_state: the next state is data I/O, switch, "
"state: %s, nxstate: %s\n",
- get_state_name(ns->state), get_state_name(ns->nxstate));
+ ns_get_state_name(ns->state),
+ ns_get_state_name(ns->nxstate));
/*
* Set the internal register to the count of bytes which
@@ -1862,8 +1873,8 @@ static u_char ns_nand_read_byte(struct nand_chip *chip)
return outb;
}
if (!(ns->state & STATE_DATAOUT_MASK)) {
- NS_WARN("read_byte: unexpected data output cycle, state is %s "
- "return %#x\n", get_state_name(ns->state), (uint)outb);
+ NS_WARN("read_byte: unexpected data output cycle, state is %s return %#x\n",
+ ns_get_state_name(ns->state), (uint)outb);
return outb;
}
@@ -1902,7 +1913,7 @@ static u_char ns_nand_read_byte(struct nand_chip *chip)
NS_DBG("read_byte: all bytes were read\n");
if (NS_STATE(ns->nxstate) == STATE_READY)
- switch_state(ns);
+ ns_switch_state(ns);
}
return outb;
@@ -1929,12 +1940,12 @@ static void ns_nand_write_byte(struct nand_chip *chip, u_char byte)
if (byte == NAND_CMD_RESET) {
NS_LOG("reset chip\n");
- switch_to_ready_state(ns, NS_STATUS_OK(ns));
+ ns_switch_to_ready_state(ns, NS_STATUS_OK(ns));
return;
}
/* Check that the command byte is correct */
- if (check_command(byte)) {
+ if (ns_check_command(byte)) {
NS_ERR("write_byte: unknown command %#x\n", (uint)byte);
return;
}
@@ -1943,7 +1954,7 @@ static void ns_nand_write_byte(struct nand_chip *chip, u_char byte)
|| NS_STATE(ns->state) == STATE_DATAOUT) {
int row = ns->regs.row;
- switch_state(ns);
+ ns_switch_state(ns);
if (byte == NAND_CMD_RNDOUT)
ns->regs.row = row;
}
@@ -1958,16 +1969,17 @@ static void ns_nand_write_byte(struct nand_chip *chip, u_char byte)
* was expected but command was input. In this case ignore
* previous command(s)/state(s) and accept the last one.
*/
- NS_WARN("write_byte: command (%#x) wasn't expected, expected state is %s, "
- "ignore previous states\n", (uint)byte, get_state_name(ns->nxstate));
+ NS_WARN("write_byte: command (%#x) wasn't expected, expected state is %s, ignore previous states\n",
+ (uint)byte,
+ ns_get_state_name(ns->nxstate));
}
- switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
+ ns_switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
}
NS_DBG("command byte corresponding to %s state accepted\n",
- get_state_name(get_state_by_command(byte)));
+ ns_get_state_name(ns_get_state_by_command(byte)));
ns->regs.command = byte;
- switch_state(ns);
+ ns_switch_state(ns);
} else if (ns->lines.ale == 1) {
/*
@@ -1978,11 +1990,13 @@ static void ns_nand_write_byte(struct nand_chip *chip, u_char byte)
NS_DBG("write_byte: operation isn't known yet, identify it\n");
- if (find_operation(ns, 1) < 0)
+ if (ns_find_operation(ns, 1) < 0)
return;
- if ((ns->state & ACTION_MASK) && do_state_action(ns, ns->state) < 0) {
- switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
+ if ((ns->state & ACTION_MASK) &&
+ ns_do_state_action(ns, ns->state) < 0) {
+ ns_switch_to_ready_state(ns,
+ NS_STATUS_FAILED(ns));
return;
}
@@ -2004,20 +2018,20 @@ static void ns_nand_write_byte(struct nand_chip *chip, u_char byte)
/* Check that chip is expecting address */
if (!(ns->nxstate & STATE_ADDR_MASK)) {
- NS_ERR("write_byte: address (%#x) isn't expected, expected state is %s, "
- "switch to STATE_READY\n", (uint)byte, get_state_name(ns->nxstate));
- switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
+ NS_ERR("write_byte: address (%#x) isn't expected, expected state is %s, switch to STATE_READY\n",
+ (uint)byte, ns_get_state_name(ns->nxstate));
+ ns_switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
return;
}
/* Check if this is expected byte */
if (ns->regs.count == ns->regs.num) {
NS_ERR("write_byte: no more address bytes expected\n");
- switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
+ ns_switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
return;
}
- accept_addr_byte(ns, byte);
+ ns_accept_addr_byte(ns, byte);
ns->regs.count += 1;
@@ -2026,7 +2040,7 @@ static void ns_nand_write_byte(struct nand_chip *chip, u_char byte)
if (ns->regs.count == ns->regs.num) {
NS_DBG("address (%#x, %#x) is accepted\n", ns->regs.row, ns->regs.column);
- switch_state(ns);
+ ns_switch_state(ns);
}
} else {
@@ -2036,10 +2050,10 @@ static void ns_nand_write_byte(struct nand_chip *chip, u_char byte)
/* Check that chip is expecting data input */
if (!(ns->state & STATE_DATAIN_MASK)) {
- NS_ERR("write_byte: data input (%#x) isn't expected, state is %s, "
- "switch to %s\n", (uint)byte,
- get_state_name(ns->state), get_state_name(STATE_READY));
- switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
+ NS_ERR("write_byte: data input (%#x) isn't expected, state is %s, switch to %s\n",
+ (uint)byte, ns_get_state_name(ns->state),
+ ns_get_state_name(STATE_READY));
+ ns_switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
return;
}
@@ -2069,16 +2083,16 @@ static void ns_nand_write_buf(struct nand_chip *chip, const u_char *buf,
/* Check that chip is expecting data input */
if (!(ns->state & STATE_DATAIN_MASK)) {
- NS_ERR("write_buf: data input isn't expected, state is %s, "
- "switch to STATE_READY\n", get_state_name(ns->state));
- switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
+ NS_ERR("write_buf: data input isn't expected, state is %s, switch to STATE_READY\n",
+ ns_get_state_name(ns->state));
+ ns_switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
return;
}
/* Check if these are expected bytes */
if (ns->regs.count + len > ns->regs.num) {
NS_ERR("write_buf: too many input bytes\n");
- switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
+ ns_switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
return;
}
@@ -2105,7 +2119,7 @@ static void ns_nand_read_buf(struct nand_chip *chip, u_char *buf, int len)
}
if (!(ns->state & STATE_DATAOUT_MASK)) {
NS_WARN("read_buf: unexpected data output cycle, current state is %s\n",
- get_state_name(ns->state));
+ ns_get_state_name(ns->state));
return;
}
@@ -2121,7 +2135,7 @@ static void ns_nand_read_buf(struct nand_chip *chip, u_char *buf, int len)
/* Check if these are expected bytes */
if (ns->regs.count + len > ns->regs.num) {
NS_ERR("read_buf: too many bytes to read\n");
- switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
+ ns_switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
return;
}
@@ -2130,7 +2144,7 @@ static void ns_nand_read_buf(struct nand_chip *chip, u_char *buf, int len)
if (ns->regs.count == ns->regs.num) {
if (NS_STATE(ns->nxstate) == STATE_READY)
- switch_state(ns);
+ ns_switch_state(ns);
}
return;
@@ -2288,13 +2302,13 @@ static int __init ns_init_module(void)
nsmtd->owner = THIS_MODULE;
- if ((retval = parse_weakblocks()) != 0)
+ if ((retval = ns_parse_weakblocks()) != 0)
goto error;
- if ((retval = parse_weakpages()) != 0)
+ if ((retval = ns_parse_weakpages()) != 0)
goto error;
- if ((retval = parse_gravepages()) != 0)
+ if ((retval = ns_parse_gravepages()) != 0)
goto error;
nand_controller_init(&ns->base);
@@ -2328,16 +2342,16 @@ static int __init ns_init_module(void)
chip->pagemask = (targetsize >> chip->page_shift) - 1;
}
- if ((retval = setup_wear_reporting(nsmtd)) != 0)
+ if ((retval = ns_setup_wear_reporting(nsmtd)) != 0)
goto err_exit;
- if ((retval = init_nandsim(nsmtd)) != 0)
+ if ((retval = ns_init(nsmtd)) != 0)
goto err_exit;
if ((retval = nand_create_bbt(chip)) != 0)
goto err_exit;
- if ((retval = parse_badblocks(ns, nsmtd)) != 0)
+ if ((retval = ns_parse_badblocks(ns, nsmtd)) != 0)
goto err_exit;
/* Register NAND partitions */
@@ -2346,19 +2360,19 @@ static int __init ns_init_module(void)
if (retval != 0)
goto err_exit;
- if ((retval = nandsim_debugfs_create(ns)) != 0)
+ if ((retval = ns_debugfs_create(ns)) != 0)
goto err_exit;
return 0;
err_exit:
- free_nandsim(ns);
+ ns_free(ns);
nand_release(chip);
for (i = 0;i < ARRAY_SIZE(ns->partitions); ++i)
kfree(ns->partitions[i].name);
error:
kfree(ns);
- free_lists();
+ ns_free_lists();
return retval;
}
@@ -2374,12 +2388,12 @@ static void __exit ns_cleanup_module(void)
struct nandsim *ns = nand_get_controller_data(chip);
int i;
- free_nandsim(ns); /* Free nandsim private resources */
+ ns_free(ns); /* Free nandsim private resources */
nand_release(chip); /* Unregister driver */
for (i = 0;i < ARRAY_SIZE(ns->partitions); ++i)
kfree(ns->partitions[i].name);
kfree(ns); /* Free other structures */
- free_lists();
+ ns_free_lists();
}
module_exit(ns_cleanup_module);
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-22 09:45:29 +0300