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From: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
To: Murali Karicheri <m-karicheri2@ti.com>
Cc: devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org,
	balbi@ti.com, Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Ian Campbell <ijc+devicetree@hellion.org.uk>,
	Kumar Gala <galak@codeaurora.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jslaby@suse.cz>
Subject: Re: [PATCH] serial: uart: add hw flow control support configuration
Date: Sat, 12 Apr 2014 17:58:12 +0100	[thread overview]
Message-ID: <20140412175812.107ecbdf@alan.etchedpixels.co.uk> (raw)
In-Reply-To: <1397243877-23234-1-git-send-email-m-karicheri2@ti.com>

> not needed if hw has flow control capabilities. This patch adds a
> DT attribute for enabling hw flow control for a uart port. Also skip
> stop and start if this flag is present in flag field of the port
> structure.

That seems a sensible thing to add.

> -	if (up->capabilities & UART_CAP_AFE && port->fifosize >= 32) {
> +	if ((up->capabilities & UART_CAP_AFE && (port->fifosize >= 32)) ||
> +	    port->flags & UPF_HARD_FLOW) {

Surely you want brackets on the port->flags & UPF_HARD_FLOW ??

Alan

  reply	other threads:[~2014-04-12 16:58 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-11 19:17 [PATCH] serial: uart: add hw flow control support configuration Murali Karicheri
2014-04-12 16:58 ` One Thousand Gnomes [this message]
2014-04-23 14:21 ` Karicheri, Muralidharan
2014-04-23 14:27   ` One Thousand Gnomes
2014-04-24 23:30     ` Greg Kroah-Hartman
2014-04-23 14:31 ` Karicheri, Muralidharan
2014-04-24 23:30   ` Greg Kroah-Hartman
2014-04-29 17:07     ` Karicheri, Muralidharan
2014-04-29 18:37     ` Karicheri, Muralidharan

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