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The boundary checks in airoha_clk_enable(), airoha_clk_get_rate(), and
airoha_clk_set_rate() use "id > data->num_clocks" which allows id equal
to num_clocks to pass. Since data->descs[] has exactly num_clocks entries
(indices 0 to num_clocks-1), id=num_clocks results in an out-of-bounds
array access.
This is currently not triggered because the device tree clock IDs are
within bounds, but the check should be defensive. Fix by changing the
comparison from ">" to ">=".
Fixes: d0b81afb5ec9 ("clk: airoha: Add support for Airoha AN7581 SoC clock")
Signed-off-by: Wayen Yan <[email protected]>
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This adds clock driver for airoha en7523/en7529/en7562 SoCs. The code
is based on corresponding linux driver.
Signed-off-by: Mikhail Kshevetskiy <[email protected]>
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Use common helper to get CHIP_SCU registers.
Signed-off-by: Mikhail Kshevetskiy <[email protected]>
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Add driver for controlling the reset lines of AN7581. This is a detached
version of the clock controller driver present in Linux only used to
control reset lines. Driver gets loaded with the bind of the clock
driver and doesn't require a compatible. This is needed as they share
the same registers.
Signed-off-by: Christian Marangi <[email protected]>
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Add support for Airoha AN7581 SoC clock driver. This mainly needed for
eMMC support to correctly get the current clock applied.
Based on the Linux clk-en7523.c but majorly reworked for U-Boot that
doesn't require CCF subsystem.
Major modification, support for set_rate, realtime get_rate and split
for reset part to a different driver.
Signed-off-by: Christian Marangi <[email protected]>
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