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In case of error, the function of_parse_phandle() returns NULL pointer
not ERR_PTR(). The IS_ERR() test in the return value check should be
replaced with NULL test.
Fixes: f0d8048525d7 ("interconnect: Add imx core driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Link: https://lore.kernel.org/r/20200509030214.14435-1-weiyongjun1@huawei.com
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
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Add a platform driver for the i.MX8MN SoC describing bus topology, based
on internal documentation.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Link: https://lore.kernel.org/r/338a5409ce88811ba6c940ba06441db3faa8c187.1586174566.git.leonard.crestez@nxp.com
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
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Add a platform driver for the i.MX8MQ SoC describing bus topology,
based on internal documentation.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Tested-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Link: https://lore.kernel.org/r/864310d1f2599c3bd621e70b77028a6e89f6410e.1586174566.git.leonard.crestez@nxp.com
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
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Add a platform driver for the i.MX8MM SoC describing bus topology.
Bandwidth adjustments is currently only supported on the DDRC and main
NOC. Scaling for the vpu/gpu/display NICs could be added in the future.
Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Link: https://lore.kernel.org/r/b14eef179dbd837a486619724b8033490f49db72.1586174566.git.leonard.crestez@nxp.com
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
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This adds support for i.MX SoC family to interconnect framework.
Platform drivers can describe the interconnect graph and several
adjustment knobs where icc node bandwidth is converted to a
DEV_PM_QOS_MIN_FREQUENCY request.
The interconnect provider is probed through the main NOC device and
other adjustable nodes on the same graph are found from a
fsl,scalable-nodes phandle array property.
Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Tested-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Link: https://lore.kernel.org/r/35920e673df6c04cbbb7d877a7d4ba25fd91a784.1586174566.git.leonard.crestez@nxp.com
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
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