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authorBhaumik Bhatt <bbhatt@codeaurora.org>2020-09-29 23:22:05 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-10-02 11:33:46 +0200
commit5aa93f0576b4e7be60ffcccb674470c59789fd1b (patch)
tree43ad576c1be21ec2c2f75ce34f42f1633a14aefd /drivers/bus
parentbus: mhi: core: Trigger host resume if suspended during mhi_device_get() (diff)
downloadlinux-dev-5aa93f0576b4e7be60ffcccb674470c59789fd1b.tar.xz
linux-dev-5aa93f0576b4e7be60ffcccb674470c59789fd1b.zip
bus: mhi: core: Use generic name field for an MHI device
An MHI device is not necessarily associated with only channels as we can have one associated with the controller itself. Hence, the chan_name field within the mhi_device structure should instead be replaced with a generic name to accurately reflect any type of MHI device. Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org> 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/20200929175218.8178-7-manivannan.sadhasivam@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/bus')
-rw-r--r--drivers/bus/mhi/core/init.c5
-rw-r--r--drivers/bus/mhi/core/main.c6
2 files changed, 6 insertions, 5 deletions
diff --git a/drivers/bus/mhi/core/init.c b/drivers/bus/mhi/core/init.c
index e43a190a7a36..e2011ec46b92 100644
--- a/drivers/bus/mhi/core/init.c
+++ b/drivers/bus/mhi/core/init.c
@@ -904,6 +904,7 @@ int mhi_register_controller(struct mhi_controller *mhi_cntrl,
mhi_dev->dev_type = MHI_DEVICE_CONTROLLER;
mhi_dev->mhi_cntrl = mhi_cntrl;
dev_set_name(&mhi_dev->dev, "%s", dev_name(mhi_cntrl->cntrl_dev));
+ mhi_dev->name = dev_name(mhi_cntrl->cntrl_dev);
/* Init wakeup source */
device_init_wakeup(&mhi_dev->dev, true);
@@ -1249,7 +1250,7 @@ static int mhi_uevent(struct device *dev, struct kobj_uevent_env *env)
struct mhi_device *mhi_dev = to_mhi_device(dev);
return add_uevent_var(env, "MODALIAS=" MHI_DEVICE_MODALIAS_FMT,
- mhi_dev->chan_name);
+ mhi_dev->name);
}
static int mhi_match(struct device *dev, struct device_driver *drv)
@@ -1266,7 +1267,7 @@ static int mhi_match(struct device *dev, struct device_driver *drv)
return 0;
for (id = mhi_drv->id_table; id->chan[0]; id++)
- if (!strcmp(mhi_dev->chan_name, id->chan)) {
+ if (!strcmp(mhi_dev->name, id->chan)) {
mhi_dev->id = id;
return 1;
}
diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c
index 79be18ec2ebf..2cff5ddff225 100644
--- a/drivers/bus/mhi/core/main.c
+++ b/drivers/bus/mhi/core/main.c
@@ -249,7 +249,7 @@ int mhi_destroy_device(struct device *dev, void *data)
put_device(&mhi_dev->dl_chan->mhi_dev->dev);
dev_dbg(&mhi_cntrl->mhi_dev->dev, "destroy device for chan:%s\n",
- mhi_dev->chan_name);
+ mhi_dev->name);
/* Notify the client and remove the device from MHI bus */
device_del(dev);
@@ -327,10 +327,10 @@ void mhi_create_devices(struct mhi_controller *mhi_cntrl)
}
/* Channel name is same for both UL and DL */
- mhi_dev->chan_name = mhi_chan->name;
+ mhi_dev->name = mhi_chan->name;
dev_set_name(&mhi_dev->dev, "%s_%s",
dev_name(mhi_cntrl->cntrl_dev),
- mhi_dev->chan_name);
+ mhi_dev->name);
/* Init wakeup source if available */
if (mhi_dev->dl_chan && mhi_dev->dl_chan->wake_capable)