On Thu, Apr 01, 2021 at 02:16:13PM -0700, Bhaumik Bhatt wrote:
> Debug messages dealing with client devices use the generic MHI
> controller or parent device along with a channel number. It would
> be better to instead use the client device directly and enable
> better log messages for channel updates.
>
> Suggested-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> Signed-off-by: Bhaumik Bhatt <bbhatt@xxxxxxxxxxxxxx>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
Thanks,
Mani
> ---
> drivers/bus/mhi/core/main.c | 12 +++++-------
> 1 file changed, 5 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c
> index 710ca0f..94fdbf7 100644
> --- a/drivers/bus/mhi/core/main.c
> +++ b/drivers/bus/mhi/core/main.c
> @@ -1238,7 +1238,7 @@ static int mhi_update_channel_state(struct mhi_controller *mhi_cntrl,
> struct mhi_chan *mhi_chan,
> enum mhi_ch_state_type to_state)
> {
> - struct device *dev = &mhi_cntrl->mhi_dev->dev;
> + struct device *dev = &mhi_chan->mhi_dev->dev;
> enum mhi_cmd_type cmd = MHI_CMD_NOP;
> int ret;
>
> @@ -1316,7 +1316,7 @@ static void __mhi_unprepare_channel(struct mhi_controller *mhi_cntrl,
> struct mhi_chan *mhi_chan)
> {
> int ret;
> - struct device *dev = &mhi_cntrl->mhi_dev->dev;
> + struct device *dev = &mhi_chan->mhi_dev->dev;
>
> mutex_lock(&mhi_chan->mutex);
>
> @@ -1340,13 +1340,11 @@ int mhi_prepare_channel(struct mhi_controller *mhi_cntrl,
> struct mhi_chan *mhi_chan)
> {
> int ret = 0;
> - struct device *dev = &mhi_cntrl->mhi_dev->dev;
> + struct device *dev = &mhi_chan->mhi_dev->dev;
>
> if (!(BIT(mhi_cntrl->ee) & mhi_chan->ee_mask)) {
> - dev_err(dev,
> - "Current EE: %s Required EE Mask: 0x%x for chan: %s\n",
> - TO_MHI_EXEC_STR(mhi_cntrl->ee), mhi_chan->ee_mask,
> - mhi_chan->name);
> + dev_err(dev, "Current EE: %s Required EE Mask: 0x%x\n",
> + TO_MHI_EXEC_STR(mhi_cntrl->ee), mhi_chan->ee_mask);
> return -ENOTCONN;
> }
>
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>
