Re: [PATCH v3 2/2] tpm: add driver for cr50 on SPI

From: Jason Gunthorpe
Date: Thu Jul 28 2016 - 19:17:36 EST

On Thu, Jul 28, 2016 at 04:01:41PM -0700, Dmitry Torokhov wrote:

> > + u8 tx_buf[MAX_SPI_FRAMESIZE];
> > + u8 rx_buf[MAX_SPI_FRAMESIZE];
> Both of these need to be annotated as "____cacheline_aligned" since we
> eye them for use in DMA transfers.

Huh. That sure looks true to me..

We make that same mistake in all other tpm SPI drivers.

Can someone send a patch please?