diff options
| author | Bhaumik Bhatt <bbhatt@codeaurora.org> | 2020-09-29 23:22:13 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-10-02 11:33:47 +0200 |
| commit | c7bd825e52b3d0b9ae519a006b80521d4587f864 (patch) | |
| tree | eb46db347340bb19767091a3eed6dad3a6e28c08 /include | |
| parent | e0af24acdabc3cdb00bb8c8e23f117ae5d8a4ef4 (diff) | |
| download | linux-c7bd825e52b3d0b9ae519a006b80521d4587f864.tar.bz2 | |
bus: mhi: core: Introduce debugfs entries for MHI
Introduce debugfs entries to show state, register, channel, device,
and event rings information. Allow the host to dump registers,
issue device wake, and change the MHI timeout to help in debug.
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20200929175218.8178-15-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mhi.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mhi.h b/include/linux/mhi.h index 008b8f6fa9ff..fb45a0ff9aa3 100644 --- a/include/linux/mhi.h +++ b/include/linux/mhi.h @@ -291,6 +291,7 @@ struct mhi_controller_config { * @cntrl_dev: Pointer to the struct device of physical bus acting as the MHI * controller (required) * @mhi_dev: MHI device instance for the controller + * @debugfs_dentry: MHI controller debugfs directory * @regs: Base address of MHI MMIO register space (required) * @bhi: Points to base of MHI BHI register space * @bhie: Points to base of MHI BHIe register space @@ -370,6 +371,7 @@ struct mhi_controller_config { struct mhi_controller { struct device *cntrl_dev; struct mhi_device *mhi_dev; + struct dentry *debugfs_dentry; void __iomem *regs; void __iomem *bhi; void __iomem *bhie; |