linux-kernel - Re: [PATCH 07/11] firmware: ti_sci: rm: Add new ops for ring configuration

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Date:   Wed, 30 Sep 2020 16:54:49 +0300
From:   Grygorii Strashko <grygorii.strashko@...com>
To:     Peter Ujfalusi <peter.ujfalusi@...com>, <nm@...com>,
        <t-kristo@...com>, <ssantosh@...nel.org>, <lokeshvutla@...com>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 07/11] firmware: ti_sci: rm: Add new ops for ring
 configuration



On 28/09/2020 11:34, Peter Ujfalusi wrote:
> The sysfw ring configuration message has been extended to include virtid
> and asel value for the ring.
> Add the ASEL_VALID to TI_SCI_MSG_VALUE_RM_ALL_NO_ORDER as it is required
> for DMA rings.
> 
> Instead of extending the current .config() ops - which would need same
> patch change in the ringacc driver - add ti_sci_msg_rm_ring_cfg struct and
> a new ops using it to configure the ring.
> 
> This will allow easy update path in case new members are added for the ring
> configuration.
> 
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
> ---
>   drivers/firmware/ti_sci.c              | 63 ++++++++++++++++++++++++++
>   drivers/firmware/ti_sci.h              |  7 +++
>   include/linux/soc/ti/ti_sci_protocol.h | 31 ++++++++++++-
>   3 files changed, 100 insertions(+), 1 deletion(-)
> 
Reviewed-by: Grygorii Strashko <grygorii.strashko@...com>

-- 
Best regards,
grygorii