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staging: vc04_services: Move global g_state to vchiq_state

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The patch intended to drop the g_state pointer.
g_state is supposed to be a central place to track the state
via vchiq_state. This is now moved to be contained in the
struct vchiq_drv_mgmt. As a result vchiq_get_state() is also removed.

In order to have access to vchiq_drv_mgmt, vchiq_initialise()
and vchiq_mmal_init() are modified to receive a struct device pointer
as one of their function parameter

The vchiq_state pointer is now passed directly to
vchiq_dump_platform_instances() to get access to the state instead
getting it via vchiq_get_state().

For the char device, struct miscdevice is retrieved by struct file's
private data in vchiq_open and struct vchiq_drv_mgmt is retrieved
thereafter.

Removal of global variable members is now addressed hence, drop
the corresponding item from the TODO list.

Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Link: https://lore.kernel.org/r/20240412075743.60712-11-umang.jain@ideasonboard.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Umang Jain 2024-04-12 13:27:42 +05:30 • committed by Greg Kroah-Hartman
commit 42a2f6664e
12 changed files with 37 additions and 55 deletions
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