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path: root/drivers/soc/fsl/dpaa2-console.c
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2023-10-15soc/fsl: dpaa2-console: Convert to platform remove callback returning voidUwe Kleine-König1-4/+2
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new() which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Link: https://lore.kernel.org/r/20230925095532.1984344-6-u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2023-08-12soc: fsl: Explicitly include correct DT includesRob Herring1-1/+2
The DT of_device.h and of_platform.h date back to the separate of_platform_bus_type before it as merged into the regular platform bus. As part of that merge prepping Arm DT support 13 years ago, they "temporarily" include each other. They also include platform_device.h and of.h. As a result, there's a pretty much random mix of those include files used throughout the tree. In order to detangle these headers and replace the implicit includes with struct declarations, users need to explicitly include the correct includes. Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20230803-dt-header-cleanups-for-soc-v2-23-d8de2cc88bff@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-22soc: fsl: dpaa2-console: free buffer before returning from dpaa2_console_readRobert-Ionut Alexa1-0/+1
Free the kbuf buffer before returning from the dpaa2_console_read() function. The variable no longer goes out of scope, leaking the storage it points to. Fixes: c93349d8c170 ("soc: fsl: add DPAA2 console support") Signed-off-by: Robert-Ionut Alexa <robert-ionut.alexa@nxp.com> Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-05-29soc: fsl: fix spelling mistake "Firmaware" -> "Firmware"Colin Ian King1-1/+1
There is a spelling mistake in a pr_err message. Fix it. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Li Yang <leoyang.li@nxp.com>
2019-05-20soc: fsl: add DPAA2 console supportIoana Ciornei1-0/+329
This patch adds DPAA2 MC and AIOP console log support. The platform driver probes on the "fsl,dpaa2-console" device tree node which describes the base firmware address needed in order to infer the start address of both firmware logs: MC and AIOP. It then exports two misc char devices which can be used to dump the needed logs. Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Signed-off-by: Roy Pledge <roy.pledge@nxp.com> Signed-off-by: Li Yang <leoyang.li@nxp.com>