[PATCH v5 3/6] i3c: mipi-i3c-hci: Add a quirk to set PIO mode

[Jarkko Nikula]

On 8/23/24 5:19 PM, Shyam Sundar S K wrote:
> The AMD HCI controller currently only supports PIO mode but exposes DMA
> rings to the OS, which leads to the controller being configured in DMA
> mode. To address this, add a quirk to avoid configuring the controller in
> DMA mode and default to PIO mode.
> 
> Additionally, introduce a generic quirk infrastructure to the mipi-i3c-hci
> driver to facilitate seamless future quirk additions.
> 
> Co-developed-by: Krishnamoorthi M <krishnamoorthi.m at amd.com>
> Signed-off-by: Krishnamoorthi M <krishnamoorthi.m at amd.com>
> Co-developed-by: Guruvendra Punugupati <Guruvendra.Punugupati at amd.com>
> Signed-off-by: Guruvendra Punugupati <Guruvendra.Punugupati at amd.com>
> Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k at amd.com>
> ---

>   drivers/i3c/master/mipi-i3c-hci/core.c | 8 +++++++-
>   drivers/i3c/master/mipi-i3c-hci/hci.h  | 1 +
>   2 files changed, 8 insertions(+), 1 deletion(-)
> 
Reviewed-by: Jarkko Nikula <jarkko.nikula at linux.intel.com>