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Data port used by the driver is actually an OMAP MPUIO device, already under control of gpio-omap driver. For that reason we used to not request the memory region of the port as that would fail because the region is already busy. Despite that, we are still accessing the port by just ioremapping it and performing read/write operations. Moreover, we are doing that without any proteciton from other users legally manipulating the port pins over GPIO API. The plan is to convert the driver to access the port over GPIO consumer API. Before that happens, already prevent from other users accessing the port pins by requesting an array of its GPIO descriptors. Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com> Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> |
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| spi | ||
| bbt.c | ||
| core.c | ||
| Kconfig | ||
| Makefile | ||