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i2c: stm32f7: Make structure stm32f7_i2c_algo constant

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Static structure stm32f7_i2c_algo, of type i2c_algorithm, is used only
when it is assigned to constant field algo of a variable having type
i2c_adapter. As stm32f7_i2c_algo is therefore never modified, make it
const as well to protect it from unintended modification.
Issue found with Coccinelle.

Signed-off-by: Nishka Dasgupta <[email protected]>
Acked-by: Pierre-Yves MORDRET <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
This commit is contained in:
Nishka Dasgupta 2019-08-15 11:28:57 +05:30 • committed by Wolfram Sang
commit 2252c3172c
1 changed files with 1 additions and 1 deletions
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drivers/i2c/busses/i2c-stm32f7.c
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@ -1809,7 +1809,7 @@ static u32 stm32f7_i2c_func(struct i2c_adapter *adap)
I2C_FUNC_SMBUS_I2C_BLOCK;
}
static struct i2c_algorithm stm32f7_i2c_algo = {
static const struct i2c_algorithm stm32f7_i2c_algo = {
.master_xfer = stm32f7_i2c_xfer,
.smbus_xfer = stm32f7_i2c_smbus_xfer,
.functionality = stm32f7_i2c_func,