From: Santosh Shilimkar <santosh.shilimkar@oracle.com>
To: David Lechner <david@lechnology.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Sekhar Nori <nsekhar@ti.com>,
Santosh Shilimkar <ssantosh@kernel.org>
Cc: Franklin S Cooper Jr <fcooper@ti.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Kevin Hilman <khilman@kernel.org>,
Axel Haslam <ahaslam@baylibre.com>,
Alexandre Bailon <abailon@baylibre.com>,
Bartosz Golaszewski <bgolaszewski@baylibre.com>,
Jiri Slaby <jslaby@suse.com>,
linux-serial@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 4/4] ARM: dts: keystone: Add "ti,da830-uart" compatible string
Date: Wed, 4 Jan 2017 14:00:01 -0800 [thread overview]
Message-ID: <93c4aed0-6faa-2c27-7931-454fc1f48e79@oracle.com> (raw)
In-Reply-To: <1483561814-21953-5-git-send-email-david@lechnology.com>
On 1/4/2017 12:30 PM, David Lechner wrote:
> The TI Keystone SoCs have extra UART registers beyond the standard 8250
> registers, so we need a new compatible string to indicate this. Also, at
> least one of these registers uses the full 32 bits, so we need to specify
> reg-io-width in addition to reg-shift.
>
> "ns16550a" is left in the compatible specification since it does work as
> long as the bootloader configures the SoC UART power management registers.
>
NAK!!
We can't break the booting boards with existing boot loaders.
I suggest you to first get the driver updated to take care of
the UART PM register and then enable the support for it.
next prev parent reply other threads:[~2017-01-04 22:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-04 20:30 [PATCH v2 0/4] TI DA8xx/OMAPL13x/AM17xx/AM18xx/C66x UART David Lechner
2017-01-04 20:30 ` [PATCH v2 1/4] doc: DT: Add ti,da830-uart to serial/8250 bindings David Lechner
2017-01-04 20:30 ` [PATCH v2 2/4] serial: 8250: Add new port type for TI DA8xx/OMAPL13x/AM17xx/AM18xx/C66x David Lechner
2017-01-05 8:21 ` Sekhar Nori
2017-01-04 20:30 ` [PATCH v2 3/4] ARM: da850: Add ti,da830-uart compatible for serial ports David Lechner
2017-01-04 20:30 ` [PATCH v2 4/4] ARM: dts: keystone: Add "ti,da830-uart" compatible string David Lechner
2017-01-04 22:00 ` Santosh Shilimkar [this message]
2017-01-05 9:04 ` Sekhar Nori
2017-01-05 17:10 ` Santosh Shilimkar
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