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There are sparse warning:
drivers/remoteproc/imx_dsp_rproc.c:602:49: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void *va @@ got void [noderef] __iomem *[assigned] cpu_addr @@
drivers/remoteproc/imx_dsp_rproc.c:602:49: sparse: expected void *va
drivers/remoteproc/imx_dsp_rproc.c:602:49: sparse: got void [noderef] __iomem *[assigned] cpu_addr
drivers/remoteproc/imx_dsp_rproc.c:638:49: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void *va @@ got void [noderef] __iomem *[assigned] cpu_addr @@
drivers/remoteproc/imx_dsp_rproc.c:638:49: sparse: expected void *va
drivers/remoteproc/imx_dsp_rproc.c:638:49: sparse: got void [noderef] __iomem *[assigned] cpu_addr
Fixes: ec0e5549f358 ("remoteproc: imx_dsp_rproc: Add remoteproc driver for DSP on i.MX")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Link: https://lore.kernel.org/r/1660567398-24495-1-git-send-email-shengjiu.wang@nxp.com
Acked-by: Mukesh Ojha <quic_mojha@quicinc.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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There are cases when we want to test a simple "hello world"
app on the DSP and we do not need a resource table.
remoteproc core allows us having an optional rsc_table.
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Acked-by: Shengjiu Wang <shengjiu.wang@gmail.com>
Link: https://lore.kernel.org/r/20220331103237.340796-1-daniel.baluta@oss.nxp.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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remoteproc elf loader supports the specific case that segments
have PT_LOAD and memsz/filesz set to zero, so no duplicate
code.
Acked-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20220413033038.1715945-3-peng.fan@oss.nxp.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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When CONFIG_PM_SLEEP is disabled, we get a harmless warning:
drivers/remoteproc/imx_dsp_rproc.c:1145:12: error: 'imx_dsp_resume' defined but not used [-Werror=unused-function]
1145 | static int imx_dsp_resume(struct device *dev)
| ^~~~~~~~~~~~~~
drivers/remoteproc/imx_dsp_rproc.c:1110:12: error: 'imx_dsp_suspend' defined but not used [-Werror=unused-function]
1110 | static int imx_dsp_suspend(struct device *dev)
| ^~~~~~~~~~~~~~~
Mark these as __maybe_unused to get a clean build.
Fixes: ec0e5549f358 ("remoteproc: imx_dsp_rproc: Add remoteproc driver for DSP on i.MX")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20211014075239.3714694-1-arnd@kernel.org
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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Change '//' on copyright line to C style comments.
Reported-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Link: https://lore.kernel.org/r/1634092749-3707-1-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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Provide a basic driver to control DSP processor found on NXP i.MX8QM,
i.MX8QXP, i.MX8MP and i.MX8ULP.
Currently it is able to resolve addresses between DSP and main CPU,
start and stop the processor, suspend and resume.
The communication between DSP and main CPU is based on mailbox, there
are three mailbox channels (tx, rx, rxdb).
This driver was tested on NXP i.MX8QM, i.MX8QXP, i.MX8MP and i.MX8ULP.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Link: https://lore.kernel.org/r/1633944015-789-4-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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