On Thu, Oct 29, 2020 at 09:10:46PM -0700, Bhaumik Bhatt wrote:
> mhi_fw_load_sbl() function is currently used to transfer SBL or EDL
> images over BHI (Boot Host Interface). Same goes with mhi_fw_load_amss()
> which uses BHIe. However, the contents of these functions do not
> indicate support for a specific set of images. Since these can be used
> for any image download over BHI or BHIe, rename them based on the
> protocol used.
>
> Signed-off-by: Bhaumik Bhatt <bbh...@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasi...@linaro.org>
Thanks,
Mani
> ---
> drivers/bus/mhi/core/boot.c | 19 ++++++++++---------
> 1 file changed, 10 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/bus/mhi/core/boot.c b/drivers/bus/mhi/core/boot.c
> index 24422f5..7d6b3a7 100644
> --- a/drivers/bus/mhi/core/boot.c
> +++ b/drivers/bus/mhi/core/boot.c
> @@ -171,7 +171,7 @@ int mhi_download_rddm_img(struct mhi_controller
> *mhi_cntrl, bool in_panic)
> }
> EXPORT_SYMBOL_GPL(mhi_download_rddm_img);
>
> -static int mhi_fw_load_amss(struct mhi_controller *mhi_cntrl,
> +static int mhi_fw_load_bhie(struct mhi_controller *mhi_cntrl,
> const struct mhi_buf *mhi_buf)
> {
> void __iomem *base = mhi_cntrl->bhie;
> @@ -187,7 +187,7 @@ static int mhi_fw_load_amss(struct mhi_controller
> *mhi_cntrl,
> }
>
> sequence_id = MHI_RANDOM_U32_NONZERO(BHIE_TXVECSTATUS_SEQNUM_BMSK);
> - dev_dbg(dev, "Starting AMSS download via BHIe. Sequence ID:%u\n",
> + dev_dbg(dev, "Starting image download via BHIe. Sequence ID: %u\n",
> sequence_id);
> mhi_write_reg(mhi_cntrl, base, BHIE_TXVECADDR_HIGH_OFFS,
> upper_32_bits(mhi_buf->dma_addr));
> @@ -218,7 +218,7 @@ static int mhi_fw_load_amss(struct mhi_controller
> *mhi_cntrl,
> return (!ret) ? -ETIMEDOUT : 0;
> }
>
> -static int mhi_fw_load_sbl(struct mhi_controller *mhi_cntrl,
> +static int mhi_fw_load_bhi(struct mhi_controller *mhi_cntrl,
> dma_addr_t dma_addr,
> size_t size)
> {
> @@ -245,7 +245,7 @@ static int mhi_fw_load_sbl(struct mhi_controller
> *mhi_cntrl,
> }
>
> session_id = MHI_RANDOM_U32_NONZERO(BHI_TXDB_SEQNUM_BMSK);
> - dev_dbg(dev, "Starting SBL download via BHI. Session ID:%u\n",
> + dev_dbg(dev, "Starting image download via BHI. Session ID: %u\n",
> session_id);
> mhi_write_reg(mhi_cntrl, base, BHI_STATUS, 0);
> mhi_write_reg(mhi_cntrl, base, BHI_IMGADDR_HIGH,
> @@ -446,9 +446,9 @@ void mhi_fw_load_handler(struct mhi_controller *mhi_cntrl)
> return;
> }
>
> - /* Download SBL image */
> + /* Download image using BHI */
> memcpy(buf, firmware->data, size);
> - ret = mhi_fw_load_sbl(mhi_cntrl, dma_addr, size);
> + ret = mhi_fw_load_bhi(mhi_cntrl, dma_addr, size);
> mhi_free_coherent(mhi_cntrl, size, buf, dma_addr);
>
> if (!mhi_cntrl->fbc_download || ret || mhi_cntrl->ee == MHI_EE_EDL)
> @@ -456,7 +456,7 @@ void mhi_fw_load_handler(struct mhi_controller *mhi_cntrl)
>
> /* Error or in EDL mode, we're done */
> if (ret) {
> - dev_err(dev, "MHI did not load SBL, ret:%d\n", ret);
> + dev_err(dev, "MHI did not load image over BHI, ret: %d\n", ret);
> return;
> }
>
> @@ -506,11 +506,12 @@ void mhi_fw_load_handler(struct mhi_controller
> *mhi_cntrl)
>
> /* Start full firmware image download */
> image_info = mhi_cntrl->fbc_image;
> - ret = mhi_fw_load_amss(mhi_cntrl,
> + ret = mhi_fw_load_bhie(mhi_cntrl,
> /* Vector table is the last entry */
> &image_info->mhi_buf[image_info->entries - 1]);
> if (ret)
> - dev_err(dev, "MHI did not load AMSS, ret:%d\n", ret);
> + dev_err(dev, "MHI did not load image over BHIe, ret: %d\n",
> + ret);
>
> release_firmware(firmware);
>
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>
