On Thu, Aug 03, 2023 at 05:10:02PM +0000, Parker Newman wrote: > > This patch fixes the Tegra DMA config option processing in the > i2c-tegra driver. > > Tegra processors prior to Tegra186 used APB DMA for I2C requiring > CONFIG_TEGRA20_APB_DMA=y while Tegra186 and later use GPC DMA requiring > CONFIG_TEGRA186_GPC_DMA=y. > > The check for if the processor uses APB DMA is inverted and so the wrong > DMA config options are checked. > > This means if CONFIG_TEGRA20_APB_DMA=y but CONFIG_TEGRA186_GPC_DMA=n > with a Tegra186 or later processor the driver will incorrectly think DMA is > enabled and attempt to request DMA channels that will never be availible, > leaving the driver in a perpetual EPROBE_DEFER state. > > Signed-off-by: Parker Newman <pnewman@xxxxxxxxxxxxxxx> Applied to for-current, thanks!
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