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A module can have more than one interfaces and we get hotplug events or
manifests for interfaces, not modules. Details like version, vendor,
product id, etc. can be different for different interfaces within the
same module and so shall be fetched from interface descriptor instead of
module descriptor.
So what we have been doing for module descriptors until now must be done
for interface descriptors. There can only be one interface descriptor in
the manifest. Module descriptor isn't used anymore and probably most of
its fields can be removed now.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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Rename struct gb_interface_block to struct gb_interface
Lots of renaming, and variable renames as well (gb_ib->intf), but all
should be sane with regards to the new naming scheme we are using.
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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I was asked to add a Linaro copyright to all Greybus source files
that anyone at Linaro has modified. This patch does that.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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Rename struct gb_module to struct gb_interface_block
It's a complex rename, some functions got their name changed where
needed, but primarily this change is focused on the structure and where
it is used. Future changes will clean up the remaining usages of the
term "module" in individual changes, this one spanned the whole
subsystem so do it all at once.
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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The code that was setting up a module was not properly initializing
the module data structure. Fixing this required a little rework.
Now gb_add_module() (which the host device pointer and module id)
allocates and initializes the structure, and passes it to
gb_manifest_parse() for populating it further.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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Currently the module manifest parsing code is sort of representative
only and is not really very useful.
This patch begins doing "real" parsing of the module manifest.
It scans the module manifest to identify the descriptors it holds.
It then verifies there's only one module descriptor found, and
initializes new some fields in the gb_module structure based on what
it contains (converting what's found to native byte order).
Note that if anything unexpected is found or other errors occur when
parsing the manifest, the parse fails.
Because we now save this converted information when it's parsed we
no longer have a greybus_descriptor_module struct within a struct
gb_module. And because we've already converted these values, we can
do a little less work displaying values in sysfs. (We also now show
vendor, product, and version values in the right byte order.) This
eliminates the need for greybus_string(), so get rid of it.
It also slightly simplifies the greybus module matching code.
Move some existing parsing code into a new file, "manifest.c".
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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Viresh Kumar
Greg Kroah-Hartman
Alex Elder