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>

diff --git a/drivers/misc/eeprom/at25.c b/drivers/misc/eeprom/at25.c
index 3e9e5a2..00f859c 100644 (file)
--- a/drivers/misc/eeprom/at25.c
+++ b/drivers/misc/eeprom/at25.c
@@ -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

diff --git a/include/linux/spi/eeprom.h b/include/linux/spi/eeprom.h
index 403e007..e34e169 100644 (file)
--- a/include/linux/spi/eeprom.h
+++ b/include/linux/spi/eeprom.h
@@ -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;
 };