kevin/linux
1
Fork 0
Code

bus: mhi: host: Allow controller drivers to specify name for the MHI controller

Browse Source 
MHI devices usually have a product/device name to identify each device
uniquely. So let's specify that name in 'struct mhi_controller' so that the
client drivers can use this name to uniquely identify the devices and apply
any device specific quirks.

Signed-off-by: Slark Xiao <slark_xiao@163.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20240701021216.17734-2-slark_xiao@163.com
[mani: reworked subject and description]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
This commit is contained in:
Slark Xiao 2024-07-01 10:12:15 +08:00 committed by Manivannan Sadhasivam
parent bf30a75e6e
commit 633478695d
2 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/bus/mhi/host/pci_generic.c
View File

@ -1086,6 +1086,7 @@ static int mhi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
mhi_cntrl->runtime_get = mhi_pci_runtime_get;
mhi_cntrl->runtime_put = mhi_pci_runtime_put;
mhi_cntrl->mru = info->mru_default;
mhi_cntrl->name = info->name;
if (info->edl_trigger)
mhi_cntrl->edl_trigger = mhi_pci_generic_edl_trigger;

2
include/linux/mhi.h
View File

@ -290,6 +290,7 @@ struct mhi_controller_config {
/**
* struct mhi_controller - Master MHI controller structure
* @name: Device name of the MHI controller
* @cntrl_dev: Pointer to the struct device of physical bus acting as the MHI
* controller (required)
* @mhi_dev: MHI device instance for the controller
@ -367,6 +368,7 @@ struct mhi_controller_config {
* they can be populated depending on the usecase.
*/
struct mhi_controller {
const char *name;
struct device *cntrl_dev;
struct mhi_device *mhi_dev;
struct dentry *debugfs_dentry;