linux-kernel - Re: [PATCH v3 3/8] mailbox: Add transmit done by blocking option

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Message-ID: <20180710154926.GB8492@ulmo>
Date:   Tue, 10 Jul 2018 17:49:26 +0200
From:   Thierry Reding <thierry.reding@...il.com>
To:     Jassi Brar <jassisinghbrar@...il.com>
Cc:     Mikko Perttunen <mperttunen@...dia.com>,
        gregkh@...uxfoundation.org, jonathanh@...dia.com,
        devicetree@...r.kernel.org, linux-serial@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/8] mailbox: Add transmit done by blocking option

On Mon, Jul 02, 2018 at 02:40:28PM +0300, Mikko Perttunen wrote:
> Add a new TXDONE option, TXDONE_BY_BLOCK. With this option, the
> send_data function of the mailbox driver is expected to block until
> the message has been sent. The new option is used with the Tegra
> Combined UART driver to minimize unnecessary overhead when transmitting
> data.
> 
> Signed-off-by: Mikko Perttunen <mperttunen@...dia.com>
> ---
>  drivers/mailbox/mailbox.c | 30 +++++++++++++++++++++---------
>  drivers/mailbox/mailbox.h |  1 +
>  2 files changed, 22 insertions(+), 9 deletions(-)

Jassi,

any comments on this patch and 4/8 and 5/8? Greg's already said that
he'd be fine if I take the serial driver (patch 6/8) through the Tegra
tree to resolve the dependencies. If you're okay with the three mailbox
patches I can pick them up as well with your Acked-by.

Otherwise, if you'd prefer to take these through the mailbox tree, let
me know and I'll wait until sometime after v4.19-rc1 before I send out
pull requests for the DT changes.

Thanks,
Thierry

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