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These definitions are unused, and the same registers are also defined
in <linux/usb/msm_hsusb_hw.h>.
Signed-off-by: Alexander Shishkin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Currently, gadget can't be NULL in _gadget_stop_activity().
Signed-off-by: Alexander Shishkin <[email protected]>
Reported-by: Michael Grzeschik <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Move spin_lock under the done label, so the
lock will also be pulled in the error paths.
Signed-off-by: Michael Grzeschik <[email protected]>
[rebased on top of the patchset]
Signed-off-by: Alexander Shishkin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Get rid of trailing comments in the structure definitions in favor of
kernel-doc.
Signed-off-by: Alexander Shishkin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The old implementation used global hw_bank, the new implementation uses
udc-local hw_bank. This field seems to be a leftover from previous coding
experiments.
Signed-off-by: Alexander Shishkin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Add some generic code for roles and implement simple role switching
based on ID pin state and/or a sysfs file. At this, we also rename
the device to ci_hdrc, which is what it is.
The "manual" switch is made into a sysfs file and not debugfs, because
it might be useful even in non-debug context. For some boards, like
sheevaplug, it seems to be the only way to switch roles without modifying
the hardware, since the ID pin is always grounded.
Signed-off-by: Alexander Shishkin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Split the driver into the following parts:
* core -- resources, register access, capabilities, etc;
* udc -- device controller functionality;
* debug -- logging events.
Signed-off-by: Alexander Shishkin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Since chipidea is a dual role controller, it makes sense to move it
to its own directory, where we can also have host, otg and platform
code related to this controller. It also makes sense to break out
the driver into several compilation units like udc, host, debugging
code, etc.
Firstly, let's move the udc and platform code to drivers/usb/chipidea.
Signed-off-by: Alexander Shishkin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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