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i2c: stm32f7: change setup struct to const

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>
Patrick Delaunay 5 vuotta sitten
vanhempi
commit
c235b087b3
1 muutettua tiedostoa jossa 2 lisäystä ja 2 poistoa
  1. 2 2
      drivers/i2c/stm32f7_i2c.c

+ 2 - 2
drivers/i2c/stm32f7_i2c.c

@@ -197,7 +197,7 @@ struct stm32_i2c_priv {
 	int speed;
 };
 
-static struct stm32_i2c_spec i2c_specs[] = {
+static const struct stm32_i2c_spec i2c_specs[] = {
 	[STM32_I2C_SPEED_STANDARD] = {
 		.rate = STANDARD_RATE,
 		.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,
 	.fall_time = STM32_I2C_FALL_TIME_DEFAULT,
 	.dnf = STM32_I2C_DNF_DEFAULT,