[PATCH 2/2] misc: i2c_eeprom: store pagesize instead of pagewidth in i2c_eeprom_drv_data
Masahiro Yamada
yamada.masahiro at socionext.com
Fri Feb 28 14:04:14 CET 2020
Associate the pagesize with compatible strings, and copy it to
priv->pagesize. This is more straight-forward.
Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
---
drivers/misc/i2c_eeprom.c | 32 ++++++++++++++++----------------
1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/drivers/misc/i2c_eeprom.c b/drivers/misc/i2c_eeprom.c
index 728e0fd79abd..ef5f103c98ef 100644
--- a/drivers/misc/i2c_eeprom.c
+++ b/drivers/misc/i2c_eeprom.c
@@ -14,7 +14,7 @@
struct i2c_eeprom_drv_data {
u32 size; /* size in bytes */
- u32 pagewidth; /* pagesize = 2^pagewidth */
+ u32 pagesize; /* page size in bytes */
u32 addr_offset_mask; /* bits in addr used for offset overflow */
u32 offset_len; /* size in bytes of offset */
};
@@ -103,7 +103,7 @@ static int i2c_eeprom_std_ofdata_to_platdata(struct udevice *dev)
priv->pagesize = pagesize;
else
/* 6 bit -> page size of up to 2^63 (should be sufficient) */
- priv->pagesize = 1 << data->pagewidth;
+ priv->pagesize = data->pagesize;
if (dev_read_u32(dev, "size", &size) == 0)
priv->size = size;
@@ -156,98 +156,98 @@ static int i2c_eeprom_std_probe(struct udevice *dev)
static const struct i2c_eeprom_drv_data eeprom_data = {
.size = 0,
- .pagewidth = 0,
+ .pagesize = 1,
.addr_offset_mask = 0,
.offset_len = 1,
};
static const struct i2c_eeprom_drv_data mc24aa02e48_data = {
.size = 256,
- .pagewidth = 3,
+ .pagesize = 8,
.addr_offset_mask = 0,
.offset_len = 1,
};
static const struct i2c_eeprom_drv_data atmel24c01a_data = {
.size = 128,
- .pagewidth = 3,
+ .pagesize = 8,
.addr_offset_mask = 0,
.offset_len = 1,
};
static const struct i2c_eeprom_drv_data atmel24c02_data = {
.size = 256,
- .pagewidth = 3,
+ .pagesize = 8,
.addr_offset_mask = 0,
.offset_len = 1,
};
static const struct i2c_eeprom_drv_data atmel24c04_data = {
.size = 512,
- .pagewidth = 4,
+ .pagesize = 16,
.addr_offset_mask = 0x1,
.offset_len = 1,
};
static const struct i2c_eeprom_drv_data atmel24c08_data = {
.size = 1024,
- .pagewidth = 4,
+ .pagesize = 16,
.addr_offset_mask = 0x3,
.offset_len = 1,
};
static const struct i2c_eeprom_drv_data atmel24c08a_data = {
.size = 1024,
- .pagewidth = 4,
+ .pagesize = 16,
.addr_offset_mask = 0x3,
.offset_len = 1,
};
static const struct i2c_eeprom_drv_data atmel24c16a_data = {
.size = 2048,
- .pagewidth = 4,
+ .pagesize = 16,
.addr_offset_mask = 0x7,
.offset_len = 1,
};
static const struct i2c_eeprom_drv_data atmel24mac402_data = {
.size = 256,
- .pagewidth = 4,
+ .pagesize = 16,
.addr_offset_mask = 0,
.offset_len = 1,
};
static const struct i2c_eeprom_drv_data atmel24c32_data = {
.size = 4096,
- .pagewidth = 5,
+ .pagesize = 32,
.addr_offset_mask = 0,
.offset_len = 2,
};
static const struct i2c_eeprom_drv_data atmel24c64_data = {
.size = 8192,
- .pagewidth = 5,
+ .pagesize = 32,
.addr_offset_mask = 0,
.offset_len = 2,
};
static const struct i2c_eeprom_drv_data atmel24c128_data = {
.size = 16384,
- .pagewidth = 6,
+ .pagesize = 64,
.addr_offset_mask = 0,
.offset_len = 2,
};
static const struct i2c_eeprom_drv_data atmel24c256_data = {
.size = 32768,
- .pagewidth = 6,
+ .pagesize = 64,
.addr_offset_mask = 0,
.offset_len = 2,
};
static const struct i2c_eeprom_drv_data atmel24c512_data = {
.size = 65536,
- .pagewidth = 6,
+ .pagesize = 64,
.addr_offset_mask = 0,
.offset_len = 2,
};
--
2.17.1
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