Messages in this thread | | | Date | Mon, 14 Aug 2023 15:38:08 +0200 | From | Wolfram Sang <> | Subject | Re: [PATCH] i2c: tegra: Fix i2c-tegra DMA config option processing |
| |
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@connecttech.com>
Applied to for-current, thanks!
[unhandled content-type:application/pgp-signature] | |