linux-stable.git/drivers/interconnect/imx, branch linux-5.17.y Linux kernel stable tree interconnect: imx8mq: Use icc_sync_state 2020-12-28T12:03:02+00:00 Martin Kepplinger martin.kepplinger@puri.sm 2020-12-28T12:03:02+00:00 67288f74d4837b82ef937170da3389b0779c17be 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> 
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>
interconnect: imx: Remove a useless test 2020-12-28T12:03:02+00:00 Christophe JAILLET christophe.jaillet@wanadoo.fr 2020-12-28T12:03:02+00:00 6414b79d02c426b7dd7d942fc19fb38220ea44ec '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> 
'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>
interconnect: imx: Add a missing of_node_put after of_device_is_available 2020-12-28T12:03:02+00:00 Christophe JAILLET christophe.jaillet@wanadoo.fr 2020-12-28T12:03:02+00:00 c6174c0e058fc0a54e0b9787c44cb24b0a8d0217 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> 
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>
interconnect: imx: simplify the return expression of imx_icc_unregister 2020-09-21T08:15:02+00:00 Liu Shixin liushixin2@huawei.com 2020-09-21T08:24:37+00:00 86d6e5793e0fa3a510cff466894d0d3051fd716e 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> 
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>
interconnect: imx: Simplify with dev_err_probe() 2020-09-18T06:55:12+00:00 Krzysztof Kozlowski krzk@kernel.org 2020-09-02T17:24:33+00:00 e0cbf2f0a756f27d7b468947123d6ac9d3fc059f 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> 
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>
interconnect: imx: Fix return value check in imx_icc_node_init_qos() 2020-05-10T15:30:37+00:00 Wei Yongjun weiyongjun1@huawei.com 2020-05-10T15:30:37+00:00 360a10285e7e2722f6869f5dc8e81214a72b57f6 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> 
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>
interconnect: imx: Add platform driver for imx8mn 2020-04-28T17:03:02+00:00 Leonard Crestez leonard.crestez@nxp.com 2020-04-28T17:03:02+00:00 4b54bf4763e3725dcceaac379df4ef78df3b9fcd 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> 
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>
interconnect: imx: Add platform driver for imx8mq 2020-04-28T17:03:02+00:00 Leonard Crestez leonard.crestez@nxp.com 2020-04-28T17:03:02+00:00 63fc8029b37ef22aefa5288211ccc92c3f40def0 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> 
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>
interconnect: imx: Add platform driver for imx8mm 2020-04-28T17:03:02+00:00 Leonard Crestez leonard.crestez@nxp.com 2020-04-28T17:03:02+00:00 2c1966af073c3469e886e8f4c4c83403fe2ac857 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> 
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>
interconnect: Add imx core driver 2020-04-28T17:03:02+00:00 Leonard Crestez leonard.crestez@nxp.com 2020-04-28T17:03:02+00:00 f0d8048525d7d8618a79550cd70de9ce0a6a496f 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> 
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>