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2020-12-28interconnect: imx8mq: Use icc_sync_stateMartin Kepplinger
Add the icc_sync_state callback to notify the framework when consumers are probed and the bandwidth doesn't have to be kept at maximum anymore. Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm> Suggested-by: Georgi Djakov <georgi.djakov@linaro.org> Fixes: 7d3b0b0d8184 ("interconnect: qcom: Use icc_sync_state") Link: https://lore.kernel.org/r/20201210100906.18205-6-martin.kepplinger@puri.sm Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
2020-12-28interconnect: imx: Remove a useless testChristophe JAILLET
'dn' can't be NULL here, it is tested just the line above. Remove this useless test. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/20201206121322.29434-1-christophe.jaillet@wanadoo.fr Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
2020-12-28interconnect: imx: Add a missing of_node_put after of_device_is_availableChristophe JAILLET
Add an 'of_node_put()' call when a tested device node is not available. Fixes: f0d8048525d7 ("interconnect: Add imx core driver") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/20201206121304.29381-1-christophe.jaillet@wanadoo.fr Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
2020-09-21interconnect: imx: simplify the return expression of imx_icc_unregisterLiu Shixin
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>
2020-09-18interconnect: imx: Simplify with dev_err_probe()Krzysztof Kozlowski
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>
2020-05-10interconnect: imx: Fix return value check in imx_icc_node_init_qos()Wei Yongjun
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>
2020-04-28interconnect: imx: Add platform driver for imx8mnLeonard Crestez
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>
2020-04-28interconnect: imx: Add platform driver for imx8mqLeonard Crestez
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>
2020-04-28interconnect: imx: Add platform driver for imx8mmLeonard Crestez
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>
2020-04-28interconnect: Add imx core driverLeonard Crestez
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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