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Pranav Tilak <[email protected]> says:
This series fixes several issues in the DW I3C master driver and
related infrastructure that prevented I3C read/write operations,
and enables I3C support for Versal Gen 2.
Link: https://lore.kernel.org/r/[email protected]
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i3c_master_add_i3c_dev_locked() incorrectly set master->this to the
newly discovered slave device, causing i3c_master_attach_i3c_dev()
to skip the attach_i3c_dev() callback. As a result the slave device
never got its master_priv (DAT slot index) allocated, free_pos was
never updated, and the DAT entry was never written.
Fix by removing the incorrect master->this assignment. Store the
slave descriptor directly in master->i3cdev[pos] inside
dw_i3c_master_attach_i3c_dev() where the DAT slot index is already
known. Also check the return value of i3c_master_add_i3c_dev_locked()
and skip num_i3cdevs increment on failure, fixing dummy devices shown
when no slaves are present on the bus.
Fixes: 1009c96f1590 ("drivers: i3c: Add driver for MIPI DWI3C")
Signed-off-by: Pranav Tilak <[email protected]>
Reviewed-by: Dinesh Maniyam <[email protected]>
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Treat -ENOENT and -ENOTSUPP from reset_get_bulk() as non-fatal to
support platforms where no resets are defined in the DTS. The resets
property is not yet documented in the DT binding.
Fixes: 1009c96f1590 ("drivers: i3c: Add driver for MIPI DWI3C")
Signed-off-by: Pranav Tilak <[email protected]>
Reviewed-by: Dinesh Maniyam <[email protected]>
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U-Boot does not support modules, so having tristate options is useless.
Therefore this patch does a blind replace of all tristate options to
bool tree-wide.
Signed-off-by: Anshul Dalal <[email protected]>
Reviewed-by: Heiko Schocher <[email protected]>
Reviewed-by: Quentin Schulz <[email protected]>
Reviewed-by: Siddharth Vadapalli <[email protected]>
Reviewed-by: Neha Malcom Francis <[email protected]>
Reviewed-by: Romain Gantois <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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The devm alloc functions that we have may follow the Linux kernel model
where allocations are (almost always) automatically free()'d. However,
quite often we don't enable, in full U-Boot, the tracking and free()'ing
functionality. This in turn leads to memory leaks because the driver
author expects that since the functions have the same name as in the
Linux Kernel they have the same behavior. In turn we then get
functionally correct commits such as commit 00e1fed93c8c ("firmware:
ti_sci: Fix memory leaks in devm_ti_sci_get_of_resource") that manually
add these calls. Rather than manually tracking allocations and
implementing free()s, rework things so that we follow expectations by
enabling the DEVRES functionality (outside of xPL phases).
This turns DEVRES from a prompted symbol to a symbol that must be
select'd, and we now remove our non-managed alloc/free functions from
outside of xPL builds.
Reviewed-by: Michael Trimarchi <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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This adds more common functions found on other architectures that will
allow for more compile-testing of drivers. These are either dummy
functions as we do not need them or mappings to existing functions,
similar to how other architectures handle it.
Signed-off-by: Tom Rini <[email protected]>
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Add i3c command file to support select, get i3c device
target list, read and write operation.
Signed-off-by: Dinesh Maniyam <[email protected]>
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Fix the I3C device with spike filter unable to detect issue by setting
tHIGH_INIT to 200ns for first broadcast address.
This is according to MIPI SPEC 1.1.1 for first broadcast address
which is already part of linux upstreamed patch.
Signed-off-by: Dinesh Maniyam <[email protected]>
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Picked linux i3c driver upstraming patch to fix the issue to
probe for i3c controller without slave device attached.
With this fix, the ret check will be on command error and will success
without slave device attached.
Signed-off-by: Dinesh Maniyam <[email protected]>
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Add s simple test for the I3C uclass in sandbox.
Signed-off-by: Dinesh Maniyam <[email protected]>
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Enable the Kconfig and Makefile for the MIPI DWI3C driver.
hs: fixed typo on drivers/i3c/master/Kconfig
Signed-off-by: Dinesh Maniyam <[email protected]>
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Add new i3c driver to U-Boot drivers.
Signed-off-by: Dinesh Maniyam <[email protected]>
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Enable i3c general uclass driver. This uclass driver will have
genaral read and write api to call the specific i3c driver.
Signed-off-by: Dinesh Maniyam <[email protected]>
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Enable driver for Synopsis MIPI DWI3C for the family
device agilex5. This driver is migrated from linux version 6.6.37 LTS
Signed-off-by: Dinesh Maniyam <[email protected]>
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