Not all fields from at24_platform_data are needed in at24_data. Let's
keep just the ones we need and not carry the whole platform_data
structure all the time.
Signed-off-by: Bartosz Golaszewski <brgl@xxxxxxxx>
---
drivers/misc/eeprom/at24.c | 22 +++++++++++++---------
1 file changed, 13 insertions(+), 9 deletions(-)
diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index bed6917468e1..4888999a62cc 100644
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -60,8 +60,6 @@ struct at24_client {
};
struct at24_data {
- struct at24_platform_data chip;
-
/*
* Lock protects against activities from other Linux tasks,
* but not from changes by other I2C masters.
@@ -72,6 +70,10 @@ struct at24_data {
unsigned int num_addresses;
unsigned int offset_adj;
+ u32 byte_len;
+ u16 page_size;
+ u8 flags;
+
struct nvmem_device *nvmem;
struct gpio_desc *wp_gpio;
@@ -249,7 +251,7 @@ static struct at24_client *at24_translate_offset(struct at24_data *at24,
{
unsigned int i;
- if (at24->chip.flags & AT24_FLAG_ADDR16) {
+ if (at24->flags & AT24_FLAG_ADDR16) {
i = *offset >> 16;
*offset &= 0xffff;
} else {
@@ -276,8 +278,8 @@ static size_t at24_adjust_read_count(struct at24_data *at24,
* the next slave address: truncate the count to the slave boundary,
* so that the read never straddles slaves.
*/
- if (at24->chip.flags & AT24_FLAG_NO_RDROL) {
- bits = (at24->chip.flags & AT24_FLAG_ADDR16) ? 16 : 8;
+ if (at24->flags & AT24_FLAG_NO_RDROL) {
+ bits = (at24->flags & AT24_FLAG_ADDR16) ? 16 : 8;
remainder = BIT(bits) - offset;
if (count > remainder)
count = remainder;
@@ -336,7 +338,7 @@ static size_t at24_adjust_write_count(struct at24_data *at24,
count = at24->write_max;
/* Never roll over backwards, to the start of this page */
- next_page = roundup(offset + 1, at24->chip.page_size);
+ next_page = roundup(offset + 1, at24->page_size);
if (offset + count > next_page)
count = next_page - offset;
@@ -381,7 +383,7 @@ static int at24_read(void *priv, unsigned int off, void *val, size_t count)
if (unlikely(!count))
return count;
- if (off + count > at24->chip.byte_len)
+ if (off + count > at24->byte_len)
return -EINVAL;
ret = pm_runtime_get_sync(dev);
@@ -428,7 +430,7 @@ static int at24_write(void *priv, unsigned int off, void *val, size_t count)
if (unlikely(!count))
return -EINVAL;
- if (off + count > at24->chip.byte_len)
+ if (off + count > at24->byte_len)
return -EINVAL;
ret = pm_runtime_get_sync(dev);
@@ -598,7 +600,9 @@ static int at24_probe(struct i2c_client *client)
return -ENOMEM;
mutex_init(&at24->lock);
- at24->chip = pdata;
+ at24->byte_len = pdata.byte_len;
+ at24->page_size = pdata.page_size;
+ at24->flags = pdata.flags;
at24->num_addresses = num_addresses;
at24->offset_adj = at24_get_offset_adj(pdata.flags, pdata.byte_len);
--
2.16.1
