From: Marco Felsch <m.felsch@pengutronix.de>
To: Lucas Stach <l.stach@pengutronix.de>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Nick Dyer <nick@shmanahar.org>,
devicetree@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
patchwork-lst@pengutronix.de, kernel@pengutronix.de,
linux-input@vger.kernel.org
Subject: Re: [PATCH v2] Input: atmel_mxt_ts - allow specification of config name
Date: Wed, 27 Nov 2019 14:35:59 +0100 [thread overview]
Message-ID: <20191127133559.bgho6fcr76o5vfst@pengutronix.de> (raw)
In-Reply-To: <20191127125456.9672-1-l.stach@pengutronix.de>
Hi Lucas,
just two nitpicks.
On 19-11-27 13:54, Lucas Stach wrote:
> From: Nick Dyer <nick@shmanahar.org>
>
> Signed-off-by: Nick Dyer <nick@shmanahar.org>
> ---
> v2: Switch to linux instead of atmel as vendor prefix.
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
> ---
Don't know the git behaviour but where happens the cut if we have two
'---'?
> Documentation/devicetree/bindings/input/atmel,maxtouch.txt | 3 +++
> drivers/input/touchscreen/atmel_mxt_ts.c | 6 +++++-
> 2 files changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/input/atmel,maxtouch.txt b/Documentation/devicetree/bindings/input/atmel,maxtouch.txt
> index c88919480d37..0764c7af045c 100644
> --- a/Documentation/devicetree/bindings/input/atmel,maxtouch.txt
> +++ b/Documentation/devicetree/bindings/input/atmel,maxtouch.txt
> @@ -31,6 +31,9 @@ Optional properties for main touchpad device:
>
> - reset-gpios: GPIO specifier for the touchscreen's reset pin (active low)
>
> +- linux,cfg-name: Provide name of configuration file in OBP_RAW format. This
> + will be downloaded from the firmware loader on probe to the device.
> +
> Example:
>
> touch@4b {
> diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
> index 24c4b691b1c9..60997086763b 100644
> --- a/drivers/input/touchscreen/atmel_mxt_ts.c
> +++ b/drivers/input/touchscreen/atmel_mxt_ts.c
> @@ -308,6 +308,7 @@ struct mxt_data {
> struct t7_config t7_cfg;
> struct mxt_dbg dbg;
> struct gpio_desc *reset_gpio;
> + const char *cfg_name;
>
> /* Cached parameters from object table */
> u16 T5_address;
> @@ -2142,7 +2143,8 @@ static int mxt_initialize(struct mxt_data *data)
> if (error)
> return error;
>
> - error = request_firmware_nowait(THIS_MODULE, true, MXT_CFG_NAME,
> + error = request_firmware_nowait(THIS_MODULE, true,
> + data->cfg_name ? : MXT_CFG_NAME,
This will produce a warning if clang is used [1]. I don't know if we
should introduce gcc-extensions.
[1] https://releases.llvm.org/8.0.0/tools/clang/docs/DiagnosticsReference.html#wgnu-conditional-omitted-operand
Regards,
Marco
> &client->dev, GFP_KERNEL, data,
> mxt_config_cb);
> if (error) {
> @@ -3015,6 +3017,8 @@ static int mxt_parse_device_properties(struct mxt_data *data)
> data->t19_num_keys = n_keys;
> }
>
> + device_property_read_string(dev, "linux,cfg-name", &data->cfg_name);
> +
> return 0;
> }
>
> --
> 2.20.1
>
>
>
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next prev parent reply other threads:[~2019-11-27 13:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-27 12:54 [PATCH v2] Input: atmel_mxt_ts - allow specification of config name Lucas Stach
2019-11-27 13:35 ` Marco Felsch [this message]
2019-12-05 21:18 ` Rob Herring
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