diff options
| author |   Andrew Lunn <andrew@lunn.ch> | 2016-02-26 20:59:24 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-03-01 16:55:48 -0800 |
| commit | bec3c11bad0e7ac05fb90f204d0ab6f79945822b (patch) | |
| tree | 3d993a264e1a6067bc6aa5a3316e580b356de0c2 /drivers/misc | |
| parent | eeprom: 93xx46: extend driver to plug into the NVMEM framework (diff) | |
| download | linux-dev-bec3c11bad0e7ac05fb90f204d0ab6f79945822b.tar.xz linux-dev-bec3c11bad0e7ac05fb90f204d0ab6f79945822b.zip | |
misc: at24: replace memory_accessor with nvmem_device_read
Now that the AT24 uses the NVMEM framework, replace the
memory_accessor in the setup() callback with nvmem API calls.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Tested-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/eeprom/at24.c | 31 |
1 files changed, 1 insertions, 30 deletions
diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c index f15cda93fc4c..089d6943f68a 100644 --- a/drivers/misc/eeprom/at24.c +++ b/drivers/misc/eeprom/at24.c @@ -56,7 +56,6 @@ struct at24_data { struct at24_platform_data chip; - struct memory_accessor macc; int use_smbus; int use_smbus_write; @@ -410,30 +409,6 @@ static ssize_t at24_write(struct at24_data *at24, const char *buf, loff_t off, /*-------------------------------------------------------------------------*/ /* - * This lets other kernel code access the eeprom data. For example, it - * might hold a board's Ethernet address, or board-specific calibration - * data generated on the manufacturing floor. - */ - -static ssize_t at24_macc_read(struct memory_accessor *macc, char *buf, - off_t offset, size_t count) -{ - struct at24_data *at24 = container_of(macc, struct at24_data, macc); - - return at24_read(at24, buf, offset, count); -} - -static ssize_t at24_macc_write(struct memory_accessor *macc, const char *buf, - off_t offset, size_t count) -{ - struct at24_data *at24 = container_of(macc, struct at24_data, macc); - - return at24_write(at24, buf, offset, count); -} - -/*-------------------------------------------------------------------------*/ - -/* * Provide a regmap interface, which is registered with the NVMEM * framework */ @@ -600,16 +575,12 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id) at24->chip = chip; at24->num_addresses = num_addresses; - at24->macc.read = at24_macc_read; - writable = !(chip.flags & AT24_FLAG_READONLY); if (writable) { if (!use_smbus || use_smbus_write) { unsigned write_max = chip.page_size; - at24->macc.write = at24_macc_write; - if (write_max > io_limit) write_max = io_limit; if (use_smbus && write_max > I2C_SMBUS_BLOCK_MAX) @@ -683,7 +654,7 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id) /* export data to kernel code */ if (chip.setup) - chip.setup(&at24->macc, chip.context); + chip.setup(at24->nvmem, chip.context); return 0; |