michaelh/zephyr
1
0
Fork 0
Code Releases Activity

ITE: drivers/i2c: disable pre-defined of hardware slave A

Browse source 
This register is a pre-define hardware slave A and can be accessed
through I2C0. It is not currently used, so it can be disabled to
avoid illegal access.

Signed-off-by: Tim Lin <tim2.lin@ite.corp-partner.google.com>
This commit is contained in:
Tim Lin 2022-02-10 16:54:47 +08:00 • committed by Anas Nashif
commit 58d928932a
2 changed files with 10 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

7
drivers/i2c/i2c_ite_it8xxx2.c
View file

@ -902,6 +902,13 @@ static int i2c_it8xxx2_init(const struct device *dev)
uint32_t bitrate_cfg, offset = 0;
int error;
/*
* This register is a pre-define hardware slave A and can
* be accessed through I2C0. It is not currently used, so
* it can be disabled to avoid illegal access.
*/
IT8XXX2_SMB_SFFCTL &= ~IT8XXX2_SMB_HSAPE;
/* Initialize mutex and semaphore */
k_mutex_init(&data->mutex);
k_sem_init(&data->device_sync_sem, 0, K_SEM_MAX_LIMIT);