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eeprom: at25: Remove in kernel API for accessing the EEPROM

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The setup() callback is not used by any in kernel code. Remove it.
Any new code which requires access to the eeprom can use the NVMEM
API.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andrew Lunn 2016-02-26 20:59:21 +01:00 committed by Greg Kroah-Hartman
parent 57d155506d
commit 3ccea0e1fd
2 changed files with 0 additions and 28 deletions
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26
drivers/misc/eeprom/at25.c
View File

@ -29,7 +29,6 @@
struct at25_data {
struct spi_device *spi;
struct memory_accessor mem;
struct mutex lock;
struct spi_eeprom chip;
struct bin_attribute bin;
@ -281,26 +280,6 @@ at25_bin_write(struct file *filp, struct kobject *kobj,
/*-------------------------------------------------------------------------*/
/* Let in-kernel code access the eeprom data. */
static ssize_t at25_mem_read(struct memory_accessor *mem, char *buf,
off_t offset, size_t count)
{
struct at25_data *at25 = container_of(mem, struct at25_data, mem);
return at25_ee_read(at25, buf, offset, count);
}
static ssize_t at25_mem_write(struct memory_accessor *mem, const char *buf,
off_t offset, size_t count)
{
struct at25_data *at25 = container_of(mem, struct at25_data, mem);
return at25_ee_write(at25, buf, offset, count);
}
/*-------------------------------------------------------------------------*/
static int at25_fw_to_chip(struct device *dev, struct spi_eeprom *chip)
{
u32 val;
@ -415,22 +394,17 @@ static int at25_probe(struct spi_device *spi)
at25->bin.attr.name = "eeprom";
at25->bin.attr.mode = S_IRUSR;
at25->bin.read = at25_bin_read;
at25->mem.read = at25_mem_read;
at25->bin.size = at25->chip.byte_len;
if (!(chip.flags & EE_READONLY)) {
at25->bin.write = at25_bin_write;
at25->bin.attr.mode |= S_IWUSR;
at25->mem.write = at25_mem_write;
}
err = sysfs_create_bin_file(&spi->dev.kobj, &at25->bin);
if (err)
return err;
if (chip.setup)
chip.setup(&at25->mem, chip.context);
dev_info(&spi->dev, "%Zd %s %s eeprom%s, pagesize %u\n",
(at25->bin.size < 1024)
? at25->bin.size

2
include/linux/spi/eeprom.h
View File

@ -30,8 +30,6 @@ struct spi_eeprom {
*/
#define EE_INSTR_BIT3_IS_ADDR 0x0010
/* for exporting this chip's data to other kernel code */
void (*setup)(struct memory_accessor *mem, void *context);
void *context;
};