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path: root/drivers/interconnect/imx/imx.c
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2020-12-28interconnect: imx: Remove a useless testChristophe JAILLET1-1/+1
'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 JAILLET1-0/+1
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 Shixin1-6/+1
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 Kozlowski1-4/+2
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 Yongjun1-4/+4
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: Add imx core driverLeonard Crestez1-0/+284
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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