From: David Lechner <dlechner@baylibre.com>
To: "Uwe Kleine-König" <u.kleine-koenig@baylibre.com>,
"Michael Hennerich" <michael.hennerich@analog.com>,
"Nuno Sá" <nuno.sa@analog.com>, "Mark Brown" <broonie@kernel.org>,
"Steven Rostedt" <rostedt@goodmis.org>,
"Masami Hiramatsu" <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
linux-trace-kernel@vger.kernel.org, linux-spi@vger.kernel.org
Subject: Re: [PATCH] spi: axi-spi-engine: Emit trace events for spi transfers
Date: Thu, 31 Oct 2024 11:49:29 -0500 [thread overview]
Message-ID: <00b6f820-5a87-4e05-b079-281074be669c@baylibre.com> (raw)
In-Reply-To: <20241031111646.747692-2-u.kleine-koenig@baylibre.com>
On 10/31/24 6:16 AM, Uwe Kleine-König wrote:
> As this spi host controller driver implements the
> .transfer_one_message() callback, it has to care about these traces
> it-self. With the transfers being compiled it's difficult to determine
> where handling of one transfer ends and the next begins, so just
> generate the start events in batch before the hardware fifo is fed and
> the end events when their completion triggered.
>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
> ---
Reviewed-by: David Lechner <dlechner@baylibre.com>
next prev parent reply other threads:[~2024-10-31 16:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-31 11:16 [PATCH] spi: axi-spi-engine: Emit trace events for spi transfers Uwe Kleine-König
2024-10-31 16:49 ` David Lechner [this message]
2024-11-01 13:15 ` Mark Brown
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