Commit 577267f3 authored by Brian Norris's avatar Brian Norris

MTD: merge 3.18 development into -next development

To keep the two paths in sync
parents f114040e a5b7616c
......@@ -193,10 +193,10 @@ static int m25p_probe(struct spi_device *spi)
{
struct mtd_part_parser_data ppdata;
struct flash_platform_data *data;
const struct spi_device_id *id = NULL;
struct m25p *flash;
struct spi_nor *nor;
enum read_mode mode = SPI_NOR_NORMAL;
char *flash_name = NULL;
int ret;
data = dev_get_platdata(&spi->dev);
......@@ -236,13 +236,11 @@ static int m25p_probe(struct spi_device *spi)
* If that's the case, respect "type" and ignore a "name".
*/
if (data && data->type)
id = spi_nor_match_id(data->type);
flash_name = data->type;
else
flash_name = spi->modalias;
/* If we didn't get name from platform, simply use "modalias". */
if (!id)
id = spi_get_device_id(spi);
ret = spi_nor_scan(nor, id, mode);
ret = spi_nor_scan(nor, flash_name, mode);
if (ret)
return ret;
......@@ -263,12 +261,62 @@ static int m25p_remove(struct spi_device *spi)
}
/*
* XXX This needs to be kept in sync with spi_nor_ids. We can't share
* it with spi-nor, because if this is built as a module then modpost
* won't be able to read it and add appropriate aliases.
*/
static const struct spi_device_id m25p_ids[] = {
{"at25fs010"}, {"at25fs040"}, {"at25df041a"}, {"at25df321a"},
{"at25df641"}, {"at26f004"}, {"at26df081a"}, {"at26df161a"},
{"at26df321"}, {"at45db081d"},
{"en25f32"}, {"en25p32"}, {"en25q32b"}, {"en25p64"},
{"en25q64"}, {"en25qh128"}, {"en25qh256"},
{"f25l32pa"},
{"mr25h256"}, {"mr25h10"},
{"gd25q32"}, {"gd25q64"},
{"160s33b"}, {"320s33b"}, {"640s33b"},
{"mx25l2005a"}, {"mx25l4005a"}, {"mx25l8005"}, {"mx25l1606e"},
{"mx25l3205d"}, {"mx25l3255e"}, {"mx25l6405d"}, {"mx25l12805d"},
{"mx25l12855e"},{"mx25l25635e"},{"mx25l25655e"},{"mx66l51235l"},
{"mx66l1g55g"},
{"n25q064"}, {"n25q128a11"}, {"n25q128a13"}, {"n25q256a"},
{"n25q512a"}, {"n25q512ax3"}, {"n25q00"},
{"pm25lv512"}, {"pm25lv010"}, {"pm25lq032"},
{"s25sl032p"}, {"s25sl064p"}, {"s25fl256s0"}, {"s25fl256s1"},
{"s25fl512s"}, {"s70fl01gs"}, {"s25sl12800"}, {"s25sl12801"},
{"s25fl129p0"}, {"s25fl129p1"}, {"s25sl004a"}, {"s25sl008a"},
{"s25sl016a"}, {"s25sl032a"}, {"s25sl064a"}, {"s25fl008k"},
{"s25fl016k"}, {"s25fl064k"},
{"sst25vf040b"},{"sst25vf080b"},{"sst25vf016b"},{"sst25vf032b"},
{"sst25vf064c"},{"sst25wf512"}, {"sst25wf010"}, {"sst25wf020"},
{"sst25wf040"},
{"m25p05"}, {"m25p10"}, {"m25p20"}, {"m25p40"},
{"m25p80"}, {"m25p16"}, {"m25p32"}, {"m25p64"},
{"m25p128"}, {"n25q032"},
{"m25p05-nonjedec"}, {"m25p10-nonjedec"}, {"m25p20-nonjedec"},
{"m25p40-nonjedec"}, {"m25p80-nonjedec"}, {"m25p16-nonjedec"},
{"m25p32-nonjedec"}, {"m25p64-nonjedec"}, {"m25p128-nonjedec"},
{"m45pe10"}, {"m45pe80"}, {"m45pe16"},
{"m25pe20"}, {"m25pe80"}, {"m25pe16"},
{"m25px16"}, {"m25px32"}, {"m25px32-s0"}, {"m25px32-s1"},
{"m25px64"},
{"w25x10"}, {"w25x20"}, {"w25x40"}, {"w25x80"},
{"w25x16"}, {"w25x32"}, {"w25q32"}, {"w25q32dw"},
{"w25x64"}, {"w25q64"}, {"w25q128"}, {"w25q80"},
{"w25q80bl"}, {"w25q128"}, {"w25q256"}, {"cat25c11"},
{"cat25c03"}, {"cat25c09"}, {"cat25c17"}, {"cat25128"},
{ },
};
MODULE_DEVICE_TABLE(spi, m25p_ids);
static struct spi_driver m25p80_driver = {
.driver = {
.name = "m25p80",
.owner = THIS_MODULE,
},
.id_table = spi_nor_ids,
.id_table = m25p_ids,
.probe = m25p_probe,
.remove = m25p_remove,
......
......@@ -881,7 +881,6 @@ static int fsl_qspi_probe(struct platform_device *pdev)
/* iterate the subnodes. */
for_each_available_child_of_node(dev->of_node, np) {
const struct spi_device_id *id;
char modalias[40];
/* skip the holes */
......@@ -909,10 +908,6 @@ static int fsl_qspi_probe(struct platform_device *pdev)
if (of_modalias_node(np, modalias, sizeof(modalias)) < 0)
goto map_failed;
id = spi_nor_match_id(modalias);
if (!id)
goto map_failed;
ret = of_property_read_u32(np, "spi-max-frequency",
&q->clk_rate);
if (ret < 0)
......@@ -921,7 +916,7 @@ static int fsl_qspi_probe(struct platform_device *pdev)
/* set the chip address for READID */
fsl_qspi_set_base_addr(q, nor);
ret = spi_nor_scan(nor, id, SPI_NOR_QUAD);
ret = spi_nor_scan(nor, modalias, SPI_NOR_QUAD);
if (ret)
goto map_failed;
......
......@@ -28,6 +28,8 @@
#define JEDEC_MFR(_jedec_id) ((_jedec_id) >> 16)
static const struct spi_device_id *spi_nor_match_id(const char *name);
/*
* Read the status register, returning its value in the location
* Return the status register value.
......@@ -473,7 +475,7 @@ struct flash_info {
* more nor chips. This current list focusses on newer chips, which
* have been converging on command sets which including JEDEC ID.
*/
const struct spi_device_id spi_nor_ids[] = {
static const struct spi_device_id spi_nor_ids[] = {
/* Atmel -- some are (confusingly) marketed as "DataFlash" */
{ "at25fs010", INFO(0x1f6601, 0, 32 * 1024, 4, SECT_4K) },
{ "at25fs040", INFO(0x1f6604, 0, 64 * 1024, 8, SECT_4K) },
......@@ -637,7 +639,6 @@ const struct spi_device_id spi_nor_ids[] = {
{ "cat25128", CAT25_INFO(2048, 8, 64, 2, SPI_NOR_NO_ERASE | SPI_NOR_NO_FR) },
{ },
};
EXPORT_SYMBOL_GPL(spi_nor_ids);
static const struct spi_device_id *spi_nor_read_id(struct spi_nor *nor)
{
......@@ -911,9 +912,9 @@ static int spi_nor_check(struct spi_nor *nor)
return 0;
}
int spi_nor_scan(struct spi_nor *nor, const struct spi_device_id *id,
enum read_mode mode)
int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode)
{
const struct spi_device_id *id = NULL;
struct flash_info *info;
struct device *dev = nor->dev;
struct mtd_info *mtd = nor->mtd;
......@@ -925,6 +926,10 @@ int spi_nor_scan(struct spi_nor *nor, const struct spi_device_id *id,
if (ret)
return ret;
id = spi_nor_match_id(name);
if (!id)
return -ENOENT;
info = (void *)id->driver_data;
if (info->jedec_id) {
......@@ -1113,7 +1118,7 @@ int spi_nor_scan(struct spi_nor *nor, const struct spi_device_id *id,
}
EXPORT_SYMBOL_GPL(spi_nor_scan);
const struct spi_device_id *spi_nor_match_id(char *name)
static const struct spi_device_id *spi_nor_match_id(const char *name)
{
const struct spi_device_id *id = spi_nor_ids;
......@@ -1124,7 +1129,6 @@ const struct spi_device_id *spi_nor_match_id(char *name)
}
return NULL;
}
EXPORT_SYMBOL_GPL(spi_nor_match_id);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Huang Shijie <shijie8@gmail.com>");
......
......@@ -187,32 +187,17 @@ struct spi_nor {
/**
* spi_nor_scan() - scan the SPI NOR
* @nor: the spi_nor structure
* @id: the spi_device_id provided by the driver
* @name: the chip type name
* @mode: the read mode supported by the driver
*
* The drivers can use this fuction to scan the SPI NOR.
* In the scanning, it will try to get all the necessary information to
* fill the mtd_info{} and the spi_nor{}.
*
* The board may assigns a spi_device_id with @id which be used to compared with
* the spi_device_id detected by the scanning.
* The chip type name can be provided through the @name parameter.
*
* Return: 0 for success, others for failure.
*/
int spi_nor_scan(struct spi_nor *nor, const struct spi_device_id *id,
enum read_mode mode);
extern const struct spi_device_id spi_nor_ids[];
/**
* spi_nor_match_id() - find the spi_device_id by the name
* @name: the name of the spi_device_id
*
* The drivers use this function to find the spi_device_id
* specified by the @name.
*
* Return: returns the right spi_device_id pointer on success,
* and returns NULL on failure.
*/
const struct spi_device_id *spi_nor_match_id(char *name);
int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode);
#endif
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