michaelh/zephyr
1
0
Fork 0
Code Releases Activity

drivers: i2c_nrfx_twim: Remove extra path for zero-length transfers

Browse source 
nrfx 2.5.0 release includes the patch in the nrfx_twim driver that
fixes the driver behavior for zero-length transfers. No need to keep
the same fix in the shim layer.
This effectively reverts cb86a2b306.

Signed-off-by: Andrzej Głąbek <andrzej.glabek@nordicsemi.no>
This commit is contained in:
Andrzej Głąbek 2021-05-06 11:40:30 +02:00 • committed by Carles Cufí
commit 96f20cfb99
1 changed files with 0 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

11
drivers/i2c/i2c_nrfx_twim.c
View file

@ -127,17 +127,6 @@ static int i2c_nrfx_twim_transfer(const struct device *dev,
}
}
if (cur_xfer.primary_length == 0) {
/* For a zero-length transfer, the STOP task will not
* be triggered automatically by the shortcut with the
* event that signals the transfer end. It needs to be
* done "manually" to prevent the driver getting stuck
* after the address byte is acknowledged.
*/
nrf_twim_task_trigger(get_dev_config(dev)->twim.p_twim,
NRF_TWIM_TASK_STOP);
}
ret = k_sem_take(&(get_dev_data(dev)->completion_sync),
I2C_TRANSFER_TIMEOUT_MSEC);
if (ret != 0) {