Some controllers can opt to not have MHI download a firmware
image to have the device bootup and can find the device in a
pass through execution environment, ready to go. Thus, MHI
controllers for those devices do not need fw_image defined.
Make it optional to accommodate different bootup modes.
Suggested-by: Loic Poulain <[email protected]>
Signed-off-by: Bhaumik Bhatt <[email protected]>
---
include/linux/mhi.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/mhi.h b/include/linux/mhi.h
index 56c4c52..838a3c4 100644
--- a/include/linux/mhi.h
+++ b/include/linux/mhi.h
@@ -296,7 +296,7 @@ struct mhi_controller_config {
* @wake_db: MHI WAKE doorbell register address
* @iova_start: IOMMU starting address for data (required)
* @iova_stop: IOMMU stop address for data (required)
- * @fw_image: Firmware image name for normal booting (required)
+ * @fw_image: Firmware image name for normal booting (optional)
* @edl_image: Firmware image name for emergency download mode (optional)
* @rddm_size: RAM dump size that host should allocate for debugging purpose
* @sbl_size: SBL image size downloaded through BHIe (optional)
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
On 3/9/2021 11:46 AM, Bhaumik Bhatt wrote:
> Some controllers can opt to not have MHI download a firmware
> image to have the device bootup and can find the device in a
> pass through execution environment, ready to go. Thus, MHI
> controllers for those devices do not need fw_image defined.
> Make it optional to accommodate different bootup modes.
>
> Suggested-by: Loic Poulain <[email protected]>
> Signed-off-by: Bhaumik Bhatt <[email protected]>
Reviewed-by: Jeffrey Hugo <[email protected]>
--
Jeffrey Hugo
Qualcomm Technologies, Inc. is a member of the
Code Aurora Forum, a Linux Foundation Collaborative Project.
On Tue, Mar 09, 2021 at 10:46:35AM -0800, Bhaumik Bhatt wrote:
> Some controllers can opt to not have MHI download a firmware
> image to have the device bootup and can find the device in a
> pass through execution environment, ready to go. Thus, MHI
> controllers for those devices do not need fw_image defined.
> Make it optional to accommodate different bootup modes.
>
> Suggested-by: Loic Poulain <[email protected]>
> Signed-off-by: Bhaumik Bhatt <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
Thanks,
Mani
> ---
> include/linux/mhi.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/mhi.h b/include/linux/mhi.h
> index 56c4c52..838a3c4 100644
> --- a/include/linux/mhi.h
> +++ b/include/linux/mhi.h
> @@ -296,7 +296,7 @@ struct mhi_controller_config {
> * @wake_db: MHI WAKE doorbell register address
> * @iova_start: IOMMU starting address for data (required)
> * @iova_stop: IOMMU stop address for data (required)
> - * @fw_image: Firmware image name for normal booting (required)
> + * @fw_image: Firmware image name for normal booting (optional)
> * @edl_image: Firmware image name for emergency download mode (optional)
> * @rddm_size: RAM dump size that host should allocate for debugging purpose
> * @sbl_size: SBL image size downloaded through BHIe (optional)
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>
On Tue, Mar 09, 2021 at 10:46:35AM -0800, Bhaumik Bhatt wrote:
> Some controllers can opt to not have MHI download a firmware
> image to have the device bootup and can find the device in a
> pass through execution environment, ready to go. Thus, MHI
> controllers for those devices do not need fw_image defined.
> Make it optional to accommodate different bootup modes.
>
> Suggested-by: Loic Poulain <[email protected]>
> Signed-off-by: Bhaumik Bhatt <[email protected]>
Applied to mhi-next!
Thanks,
Mani
> ---
> include/linux/mhi.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/mhi.h b/include/linux/mhi.h
> index 56c4c52..838a3c4 100644
> --- a/include/linux/mhi.h
> +++ b/include/linux/mhi.h
> @@ -296,7 +296,7 @@ struct mhi_controller_config {
> * @wake_db: MHI WAKE doorbell register address
> * @iova_start: IOMMU starting address for data (required)
> * @iova_stop: IOMMU stop address for data (required)
> - * @fw_image: Firmware image name for normal booting (required)
> + * @fw_image: Firmware image name for normal booting (optional)
> * @edl_image: Firmware image name for emergency download mode (optional)
> * @rddm_size: RAM dump size that host should allocate for debugging purpose
> * @sbl_size: SBL image size downloaded through BHIe (optional)
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>