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Age	Commit message (Collapse)	Author
2022-05-16	mtd: rawnand: renesas: Use runtime PM instead of the raw clock API	Miquel Raynal
	This NAND controller is part of a well defined power domain handled by the runtime PM core. Let's keep the harmony with the other RZ/N1 drivers and exclusively use the runtime PM API to enable/disable the clocks. We still need to retrieve the external clock rate in order to derive the NAND timings, but that is not a big deal, we can still do that in the probe and just save this value to reuse it later. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/linux-mtd/20220513104957.257721-3-miquel.raynal@bootlin.com
2022-01-31	mtd: Fix misuses of of_match_ptr()	Miquel Raynal
	of_match_ptr() either expands to NULL if !CONFIG_OF, or is transparent otherwise. There are several drivers using this macro which keep their of_device_id array enclosed within an #ifdef CONFIG_OF check, these are considered fine. However, When misused, the of_device_id array pointed by this macro will produce a warning because it is finally unused when compiled without OF support. A number of fixes are possible: - Always depend on CONFIG_OF, but this will not always work and may break boards. - Enclose the compatible array by #ifdef's, this may save a bit of memory but will reduce build coverage. - Tell the compiler the array may be unused, if this can be avoided, let's not do this. - Just drop the macro, setting the of_device_id array for a non OF enabled platform is not an issue, it will just be unused. The latter solution seems the more appropriate, so let's use it. Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Acked-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Pratyush Yadav <p.yadav@ti.com> Link: https://lore.kernel.org/linux-mtd/20220127110631.1064705-1-miquel.raynal@bootlin.com
2021-12-21	mtd: rawnand: renesas: Add new NAND controller driver	Miquel Raynal
	Introduce Renesas NAND controller driver which currently supports the following features on R-Car Gen3 and RZ/N1 SoCs: - All ONFI timing modes - Different configurations of its internal ECC controller - On-die (not tested) and software ECC support - Several chips (not tested) - Subpage accesses - DMA and PIO This controller was originally provided by Evatronix before being bought by Cadence. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Tested-by: Ralph Siemsen <ralph.siemsen@linaro.org> Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Link: https://lore.kernel.org/linux-mtd/20211217142033.353599-3-miquel.raynal@bootlin.com