On Thu, 2025-01-09 at 11:33 +0100, Thierry Reding wrote: > On Wed, Jan 08, 2025 at 04:36:20PM +0530, Kartik Rajput wrote: > > On Tegra264, not all I2C controllers support DMA, this causes > > failures > > when function tegra_i2c_init_dma() is called. > > What exactly does it mean when you say "not all I2C controllers > support > DMA"? Do they not have the necessary interface to the GPC DMA or are > there not sufficient DMA channels to support all I2C controllers? > > Thierry They do not have the neccessary interface to the GPC DMA.
