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[Backport v4.3-branch] driver: i2c: i2c_dw: clear block mode on init #99615

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[Backport v4.3-branch] driver: i2c: i2c_dw: clear block mode on init #99615

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5 changes: 5 additions & 0 deletions drivers/i2c/i2c_dw.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1294,6 +1294,11 @@ static int i2c_dw_initialize(const struct device *dev)
uint32_t reg_base = get_regs(dev);

clear_bit_enable_en(reg_base);
/*
* depending on the IP configuration, we may have to disable block mode in
* controller mode
*/
clear_bit_enable_block(reg_base);

/* verify that we have a valid DesignWare register first */
if (read_comp_type(reg_base) != I2C_DW_MAGIC_KEY) {
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