hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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;
};