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i2c: stm32f7: change setup struct to const

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Change static array to const when it is useful to save memory
(move stm32f7_setup=0x18 from .data to .rodata section)

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
This commit is contained in:
Patrick Delaunay 2018-10-29 15:31:56 +01:00 • committed by Tom Rini
parent c0765f47d8
commit c235b087b3
1 changed files with 2 additions and 2 deletions
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4
drivers/i2c/stm32f7_i2c.c
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@ -197,7 +197,7 @@ struct stm32_i2c_priv {
int speed; int speed;
}; };
static struct stm32_i2c_spec i2c_specs[] = { static const struct stm32_i2c_spec i2c_specs[] = {
[STM32_I2C_SPEED_STANDARD] = { [STM32_I2C_SPEED_STANDARD] = {
.rate = STANDARD_RATE, .rate = STANDARD_RATE,
.rate_min = 8000, .rate_min = 8000,
@ -236,7 +236,7 @@ static struct stm32_i2c_spec i2c_specs[] = {
}, },
}; };
static struct stm32_i2c_setup stm32f7_setup = { static const struct stm32_i2c_setup stm32f7_setup = {
.rise_time = STM32_I2C_RISE_TIME_DEFAULT, .rise_time = STM32_I2C_RISE_TIME_DEFAULT,
.fall_time = STM32_I2C_FALL_TIME_DEFAULT, .fall_time = STM32_I2C_FALL_TIME_DEFAULT,
.dnf = STM32_I2C_DNF_DEFAULT, .dnf = STM32_I2C_DNF_DEFAULT,