mtd: nand: make use of nand_set/get_controller_data() helpers
New helpers have been added to avoid directly accessing chip->field. Use
them where appropriate.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
[Brian: fixed a few rebase conflicts]
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c
index 4f4aa35..f170f3c 100644
--- a/drivers/mtd/nand/diskonchip.c
+++ b/drivers/mtd/nand/diskonchip.c
@@ -296,7 +296,7 @@
static void doc2000_write_byte(struct mtd_info *mtd, u_char datum)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
if (debug)
@@ -308,7 +308,7 @@
static u_char doc2000_read_byte(struct mtd_info *mtd)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
u_char ret;
@@ -323,7 +323,7 @@
static void doc2000_writebuf(struct mtd_info *mtd, const u_char *buf, int len)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
int i;
if (debug)
@@ -340,7 +340,7 @@
static void doc2000_readbuf(struct mtd_info *mtd, u_char *buf, int len)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
int i;
@@ -355,7 +355,7 @@
static void doc2000_readbuf_dword(struct mtd_info *mtd, u_char *buf, int len)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
int i;
@@ -376,7 +376,7 @@
static uint16_t __init doc200x_ident_chip(struct mtd_info *mtd, int nr)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
uint16_t ret;
doc200x_select_chip(mtd, nr);
@@ -422,7 +422,7 @@
static void __init doc2000_count_chips(struct mtd_info *mtd)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
uint16_t mfrid;
int i;
@@ -443,7 +443,7 @@
static int doc200x_wait(struct mtd_info *mtd, struct nand_chip *this)
{
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
int status;
@@ -458,7 +458,7 @@
static void doc2001_write_byte(struct mtd_info *mtd, u_char datum)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
WriteDOC(datum, docptr, CDSNSlowIO);
@@ -469,7 +469,7 @@
static u_char doc2001_read_byte(struct mtd_info *mtd)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
//ReadDOC(docptr, CDSNSlowIO);
@@ -483,7 +483,7 @@
static void doc2001_writebuf(struct mtd_info *mtd, const u_char *buf, int len)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
int i;
@@ -496,7 +496,7 @@
static void doc2001_readbuf(struct mtd_info *mtd, u_char *buf, int len)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
int i;
@@ -513,7 +513,7 @@
static u_char doc2001plus_read_byte(struct mtd_info *mtd)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
u_char ret;
@@ -528,7 +528,7 @@
static void doc2001plus_writebuf(struct mtd_info *mtd, const u_char *buf, int len)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
int i;
@@ -546,7 +546,7 @@
static void doc2001plus_readbuf(struct mtd_info *mtd, u_char *buf, int len)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
int i;
@@ -577,7 +577,7 @@
static void doc2001plus_select_chip(struct mtd_info *mtd, int chip)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
int floor = 0;
@@ -604,7 +604,7 @@
static void doc200x_select_chip(struct mtd_info *mtd, int chip)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
int floor = 0;
@@ -635,7 +635,7 @@
unsigned int ctrl)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
if (ctrl & NAND_CTRL_CHANGE) {
@@ -658,7 +658,7 @@
static void doc2001plus_command(struct mtd_info *mtd, unsigned command, int column, int page_addr)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
/*
@@ -764,7 +764,7 @@
static int doc200x_dev_ready(struct mtd_info *mtd)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
if (DoC_is_MillenniumPlus(doc)) {
@@ -804,7 +804,7 @@
static void doc200x_enable_hwecc(struct mtd_info *mtd, int mode)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
/* Prime the ECC engine */
@@ -823,7 +823,7 @@
static void doc2001plus_enable_hwecc(struct mtd_info *mtd, int mode)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
/* Prime the ECC engine */
@@ -843,7 +843,7 @@
static int doc200x_calculate_ecc(struct mtd_info *mtd, const u_char *dat, unsigned char *ecc_code)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
int i;
int emptymatch = 1;
@@ -904,7 +904,7 @@
{
int i, ret = 0;
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
void __iomem *docptr = doc->virtadr;
uint8_t calc_ecc[6];
volatile u_char dummy;
@@ -975,7 +975,7 @@
static int __init find_media_headers(struct mtd_info *mtd, u_char *buf, const char *id, int findmirror)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
unsigned offs;
int ret;
size_t retlen;
@@ -1018,7 +1018,7 @@
static inline int __init nftl_partscan(struct mtd_info *mtd, struct mtd_partition *parts)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
int ret = 0;
u_char *buf;
struct NFTLMediaHeader *mh;
@@ -1120,7 +1120,7 @@
static inline int __init inftl_partscan(struct mtd_info *mtd, struct mtd_partition *parts)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
int ret = 0;
u_char *buf;
struct INFTLMediaHeader *mh;
@@ -1240,7 +1240,7 @@
{
int ret, numparts;
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
struct mtd_partition parts[2];
memset((char *)parts, 0, sizeof(parts));
@@ -1275,7 +1275,7 @@
{
int ret, numparts;
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
struct mtd_partition parts[5];
if (this->numchips > doc->chips_per_floor) {
@@ -1328,7 +1328,7 @@
static inline int __init doc2000_init(struct mtd_info *mtd)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
this->read_byte = doc2000_read_byte;
this->write_buf = doc2000_writebuf;
@@ -1344,7 +1344,7 @@
static inline int __init doc2001_init(struct mtd_info *mtd)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
this->read_byte = doc2001_read_byte;
this->write_buf = doc2001_writebuf;
@@ -1374,7 +1374,7 @@
static inline int __init doc2001plus_init(struct mtd_info *mtd)
{
struct nand_chip *this = mtd_to_nand(mtd);
- struct doc_priv *doc = this->priv;
+ struct doc_priv *doc = nand_get_controller_data(this);
this->read_byte = doc2001plus_read_byte;
this->write_buf = doc2001plus_writebuf;
@@ -1491,7 +1491,7 @@
unsigned char oldval;
unsigned char newval;
nand = mtd_to_nand(mtd);
- doc = nand->priv;
+ doc = nand_get_controller_data(nand);
/* Use the alias resolution register to determine if this is
in fact the same DOC aliased to a new address. If writes
to one chip's alias resolution register change the value on
@@ -1538,7 +1538,7 @@
mtd->owner = THIS_MODULE;
- nand->priv = doc;
+ nand_set_controller_data(nand, doc);
nand->select_chip = doc200x_select_chip;
nand->cmd_ctrl = doc200x_hwcontrol;
nand->dev_ready = doc200x_dev_ready;
@@ -1611,7 +1611,7 @@
for (mtd = doclist; mtd; mtd = nextmtd) {
nand = mtd_to_nand(mtd);
- doc = nand->priv;
+ doc = nand_get_controller_data(nand);
nextmtd = doc->nextdoc;
nand_release(mtd);