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7 Commits

Author SHA1 Message Date
Liu Shixin
86d6e5793e interconnect: imx: simplify the return expression of imx_icc_unregister 
Simplify the return expression.

Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Link: https://lore.kernel.org/r/20200921082437.2591461-1-liushixin2@huawei.com
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
 2020-09-21 11:15:02 +03:00
Krzysztof Kozlowski
e0cbf2f0a7 interconnect: imx: Simplify with dev_err_probe() 
Common pattern of handling deferred probe can be simplified with
dev_err_probe().  Less code and the error value gets printed.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200902172433.1138-2-krzk@kernel.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
 2020-09-18 09:55:12 +03:00
Wei Yongjun
360a10285e interconnect: imx: Fix return value check in imx_icc_node_init_qos() 
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: f0d8048525 ("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>
 2020-05-10 18:30:37 +03:00
Leonard Crestez
4b54bf4763 interconnect: imx: Add platform driver for imx8mn 
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>
 2020-04-28 20:03:02 +03:00
Leonard Crestez
63fc8029b3 interconnect: imx: Add platform driver for imx8mq 
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>
 2020-04-28 20:03:02 +03:00
Leonard Crestez
2c1966af07 interconnect: imx: Add platform driver for imx8mm 
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>
 2020-04-28 20:03:02 +03:00
Leonard Crestez
f0d8048525 interconnect: Add imx core driver 
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>
 2020-04-28 20:03:02 +03:00