On Mon Aug 19, 2024 at 3:14 PM CEST, Vicente Bergas wrote: > On Mon, Aug 19, 2024 at 2:49 PM Vicente Bergas <vicencb@xxxxxxxxx> wrote: > > On Mon, Aug 19, 2024 at 4:12 AM Vicente Bergas <vicencb@xxxxxxxxx> wrote: > > > > i am a user of the CONFIG_SPI_SPIDEV device. > > > > It stopped working between 6.8 and 6.10.5. > > > > The SPI bus itself reports no errors to userspace, but no devices > > > > appear connected to the bus. > > > > The platform used is RK3328. > > > > The only spi-related message in dmesg is: > > > > rockchip-spi ff190000.spi: Runtime PM usage count underflow! FWIW: I've seen this issue as well. > > Added: > > Huang-Huang Bao <i@xxxxxx> > > Linus Walleij <linus.walleij@xxxxxxxxxx> > > Sasha Levin <sashal@xxxxxxxxxx> > > > > The first offending commit is: > > 29d8101fb9442544077e68e27839a1979f85633d pinctrl: rockchip: fix pinmux > > bits for RK3328 GPIO2-B pins > > > > I've also tested 6.10.6 with it reverted (and > > 456447ff1fe3c28e2fd7b57a79650f62245c6428 and > > 7127c68c76f120367b9a5053f524df0b603d4a48 as dependencies) and SPI > > works fine. > > Sorry for the noise: > reverting only 29d8101fb9442544077e68e27839a1979f85633d makes it work on 6.10.6. > Ignore what i said about 456447ff1fe3c28e2fd7b57a79650f62245c6428 and > 7127c68c76f120367b9a5053f524df0b603d4a48. Please try if unreverting that commit and adding the following: https://lore.kernel.org/linux-rockchip/20240709105428.1176375-1-i@xxxxxx/ fixes the issue as well.
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