Messages in this thread | | | From | Masahiro Yamada <> | Date | Mon, 5 Jul 2021 01:00:43 +0900 | Subject | Re: [PATCH v2] mtd: rawnand: denali: add more delays before latching incoming data |
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On Thu, Jul 1, 2021 at 3:47 AM Ralph Siemsen <ralph.siemsen@linaro.org> wrote: > > On Tue, Mar 17, 2020 at 04:18:21PM +0900, Masahiro Yamada wrote: > > > >Marek Vasut reported this driver in the latest kernel does not work > >on his SOCFPGA board. (The on-board NAND chip is mode 5) > > In a bit of an ironic twist, this change seems to cause a regression for > me. I'm also using a Cyclone V SoC system, similar but not the same as > the SOCFPGA eval board. The NAND device in my case is S34ML04G2. > > It worked fine in 4.9, 4.19 and 5.4 kernels. However after upgrading to > 5.10 the NAND driver fails with "timeout while waiting for irq 0x4", > just as was reported back in 2018: > https://lore.kernel.org/linux-mtd/737ejrj81y.fsf@pengutronix.de/ > > Reverting commit 5756f2e8dad46eba6e2d3e530243b8eff4dd5a42 restores the > behaviour in my case, but that would presumably break the SOCFPGA board. > > Any thoughts on how we could make it work for everybody? > > Ralph
I no longer have any hardware to test this driver.
If you increase data_setup_on_host (the current value is 10000), will it solve your issue?
-- Best Regards Masahiro Yamada
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