Quoting Roja Rani Yarubandi (2021-01-08 07:05:45)
> diff --git a/drivers/i2c/busses/i2c-qcom-geni.c
> b/drivers/i2c/busses/i2c-qcom-geni.c
> index 214b4c913a13..c3f584795911 100644
> --- a/drivers/i2c/busses/i2c-qcom-geni.c
> +++ b/drivers/i2c/busses/i2c-qcom-geni.c
> @@ -375,6 +375,32 @@ static void geni_i2c_tx_msg_cleanup(struct geni_i2c_dev
> *gi2c,
> }
> }
>
> +static void geni_i2c_stop_xfer(struct geni_i2c_dev *gi2c)
> +{
> + int ret;
> + u32 geni_status;
> + struct i2c_msg *cur;
> +
> + /* Resume device, as runtime suspend can happen anytime during
> transfer */
> + ret = pm_runtime_get_sync(gi2c->se.dev);
> + if (ret < 0) {
> + dev_err(gi2c->se.dev, "Failed to resume device: %d\n", ret);
> + return;
> + }
> +
> + geni_status = readl_relaxed(gi2c->se.base + SE_GENI_STATUS);
> + if (geni_status & M_GENI_CMD_ACTIVE) {
> + cur = gi2c->cur;
Why don't we need to hold the spinlock gi2c::lock here?
> + geni_i2c_abort_xfer(gi2c);
> + if (cur->flags & I2C_M_RD)
> + geni_i2c_rx_msg_cleanup(gi2c, cur);
> + else
> + geni_i2c_tx_msg_cleanup(gi2c, cur);
> + }
> +
> + pm_runtime_put_sync_suspend(gi2c->se.dev);
> +}
> +
> static int geni_i2c_rx_one_msg(struct geni_i2c_dev *gi2c, struct i2c_msg
> *msg,
> u32 m_param)
> {
