From: Dmitry Osipenko <digetx@gmail.com>
To: Jiada Wang <jiada_wang@mentor.com>,
nick@shmanahar.org, dmitry.torokhov@gmail.com, jikos@kernel.org,
benjamin.tissoires@redhat.com, bsz@semihalf.com
Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
erosca@de.adit-jv.com, Andrew_Gabbasov@mentor.com
Subject: Re: [PATCH v10 43/55] dt-bindings: input: atmel: support to set max bytes transferred
Date: Wed, 1 Apr 2020 17:38:57 +0300 [thread overview]
Message-ID: <a15d312d-587e-5b10-e031-dde1965f6f89@gmail.com> (raw)
In-Reply-To: <20200331105051.58896-44-jiada_wang@mentor.com>
31.03.2020 13:50, Jiada Wang пишет:
> Add support to set max bytes transferred in an i2c transaction
>
> Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
> ---
> Documentation/devicetree/bindings/input/atmel,maxtouch.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/input/atmel,maxtouch.txt b/Documentation/devicetree/bindings/input/atmel,maxtouch.txt
> index 126266891cdc..37a798cab0dd 100644
> --- a/Documentation/devicetree/bindings/input/atmel,maxtouch.txt
> +++ b/Documentation/devicetree/bindings/input/atmel,maxtouch.txt
> @@ -45,6 +45,8 @@ Optional properties for main touchpad device:
>
> - atmel,input_name: Override name of input device from the default.
>
> +- atmel,mtu: Maximum number of bytes that can read/transferred in an i2c transaction
> +
> Example:
>
> touch@4b {
> @@ -52,4 +54,5 @@ Example:
> reg = <0x4b>;
> interrupt-parent = <&gpio>;
> interrupts = <TEGRA_GPIO(W, 3) IRQ_TYPE_LEVEL_LOW>;
> + atmel,mtu = <200>
> };
>
Is this a software (firmware) limitation which varies from version to
version?
If the limitation is per-hardware version, then perhaps should be better
to have a hardcoded per-hardware table of limits in the driver?
next prev parent reply other threads:[~2020-04-01 14:39 UTC|newest]
Thread overview: 87+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-31 10:49 [PATCH v10 00/55] atmel_mxt_ts misc Jiada Wang
2020-03-31 10:49 ` [PATCH v10 01/55] Input: introduce input_mt_report_slot_inactive Jiada Wang
2020-03-31 10:49 ` [PATCH v10 02/55] Input: atmel_mxt_ts - rework sysfs init/remove Jiada Wang
2020-03-31 10:49 ` [PATCH v10 03/55] Input: atmel_mxt_ts - only read messages in mxt_acquire_irq() when necessary Jiada Wang
2020-03-31 10:50 ` [PATCH v10 04/55] Input: atmel_mxt_ts - split large i2c transfers into blocks Jiada Wang
2020-03-31 10:50 ` [PATCH v10 05/55] Input: atmel_mxt_ts - output status from T48 Noise Supression Jiada Wang
2020-03-31 10:50 ` [PATCH v10 06/55] Input: atmel_mxt_ts - output status from T42 Touch Suppression Jiada Wang
2020-03-31 10:50 ` [PATCH v10 07/55] Input: atmel_mxt_ts - implement T9 vector/orientation support Jiada Wang
2020-03-31 10:50 ` [PATCH v10 08/55] Input: atmel_mxt_ts - implement T15 Key Array support Jiada Wang
2020-03-31 10:50 ` [PATCH v10 09/55] Input: atmel_mxt_ts - handle reports from T47 Stylus object Jiada Wang
2020-03-31 10:50 ` [PATCH v10 10/55] Input: atmel_mxt_ts - implement support for T107 active stylus Jiada Wang
2020-03-31 10:50 ` [PATCH v10 11/55] Input: atmel_mxt_ts - add debug for T92 gesture and T93 touch seq msgs Jiada Wang
2020-03-31 10:50 ` [PATCH v10 12/55] Input: atmel_mxt_ts - release touch state during suspend Jiada Wang
2020-03-31 10:50 ` [PATCH v10 13/55] dt-bindings: input: atmel: add suspend mode support Jiada Wang
2020-04-01 15:42 ` Dmitry Osipenko
2020-04-02 8:28 ` Wang, Jiada
2020-03-31 10:50 ` [PATCH v10 14/55] Input: atmel_mxt_ts - add regulator control support Jiada Wang
2020-03-31 10:50 ` [PATCH v10 15/55] Input: atmel_mxt_ts - report failures in suspend/resume Jiada Wang
2020-03-31 10:50 ` [PATCH v10 16/55] Input: atmel_mxt_ts - allow specification of firmware file name Jiada Wang
2020-03-31 10:50 ` [PATCH v10 17/55] Input: atmel_mxt_ts: Rename mxt_fw_version_show to fw_version_show Jiada Wang
2020-03-31 10:50 ` [PATCH v10 18/55] Input: atmel_mxt_ts: Rename mxt_hw_version_show to hw_version_show Jiada Wang
2020-04-10 21:46 ` Dmitry Osipenko
2020-04-15 13:08 ` Wang, Jiada
2020-03-31 10:50 ` [PATCH v10 19/55] Input: atmel_mxt_ts: rename mxt_update_fw_store to update_fw_store Jiada Wang
2020-03-31 10:50 ` [PATCH v10 20/55] Input: atmel_mxt_ts - handle cfg filename via pdata/sysfs Jiada Wang
2020-04-07 14:56 ` Dmitry Osipenko
2020-04-09 9:11 ` Wang, Jiada
2020-03-31 10:50 ` [PATCH v10 21/55] dt-bindings: input: atmel: provide name of configuration file Jiada Wang
2020-03-31 10:50 ` [PATCH v10 22/55] Input: atmel_mxt_ts - allow input name to be specified in platform data Jiada Wang
2020-03-31 10:50 ` [PATCH v10 23/55] dt-bindings: input: atmel: support to specify input name Jiada Wang
2020-03-31 10:50 ` [PATCH v10 24/55] Input: atmel_mxt_ts - add config checksum attribute to sysfs Jiada Wang
2020-03-31 10:50 ` [PATCH v10 25/55] Input: atmel_mxt_ts - refactor firmware flash to extract context into struct Jiada Wang
2020-03-31 10:50 ` [PATCH v10 26/55] Input: atmel_mxt_ts - refactor code to enter bootloader into separate func Jiada Wang
2020-03-31 10:50 ` [PATCH v10 27/55] Input: atmel_mxt_ts - combine bootloader version query with probe Jiada Wang
2020-03-31 10:50 ` [PATCH v10 28/55] Input: atmel_mxt_ts - improve bootloader state machine handling Jiada Wang
2020-03-31 10:50 ` [PATCH v10 29/55] Input: atmel_mxt_ts - rename bl_completion to chg_completion Jiada Wang
2020-03-31 10:50 ` [PATCH v10 30/55] Input: atmel_mxt_ts - make bootloader interrupt driven Jiada Wang
2020-03-31 10:50 ` [PATCH v10 31/55] Input: atmel_mxt_ts - delay enabling IRQ when not using regulators Jiada Wang
2020-04-10 22:38 ` Dmitry Osipenko
2020-04-15 14:44 ` Wang, Jiada
2020-04-18 13:59 ` Dmitry Osipenko
2020-03-31 10:50 ` [PATCH v10 32/55] Input: atmel_mxt_ts - implement I2C retries Jiada Wang
2020-03-31 10:50 ` [PATCH v10 33/55] Input: atmel_mxt_ts - orientation is not present in hover Jiada Wang
2020-03-31 10:50 ` [PATCH v10 34/55] Input: atmel_mxt_ts - implement debug output for messages Jiada Wang
2020-03-31 10:50 ` [PATCH v10 35/55] Input: atmel_mxt_ts - implement improved debug message interface Jiada Wang
2020-03-31 10:50 ` [PATCH v10 36/55] Input: atmel_mxt_ts - eliminate data->raw_info_block Jiada Wang
2020-03-31 10:50 ` [PATCH v10 37/55] Input: atmel_mxt_ts - Change call-points of mxt_free_* functions Jiada Wang
2020-03-31 10:50 ` [PATCH v10 38/55] Input: atmel_mxt_ts - rely on calculated_crc rather than file config_crc Jiada Wang
2020-03-31 10:50 ` [PATCH v10 39/55] input: atmel_mxt_ts: export GPIO reset line via sysfs Jiada Wang
2020-03-31 10:50 ` [PATCH v10 40/55] input: atmel_mxt_ts: Add Missing Delay for reset handling of Atmel touch panel controller in detachable displays Jiada Wang
2020-03-31 10:50 ` [PATCH v10 41/55] Input: atmel_mxt_ts: Add support for run self-test routine Jiada Wang
2020-03-31 10:50 ` [PATCH v10 42/55] Input: atmel_mxt_ts: Limit the max bytes transferred in an i2c transaction Jiada Wang
2020-03-31 10:50 ` [PATCH v10 43/55] dt-bindings: input: atmel: support to set max bytes transferred Jiada Wang
2020-04-01 14:38 ` Dmitry Osipenko [this message]
2020-04-07 9:27 ` Wang, Jiada
2020-04-07 14:47 ` Dmitry Osipenko
2020-04-09 6:25 ` Wang, Jiada
2020-04-09 15:10 ` Dmitry Osipenko
2020-04-10 6:53 ` Wang, Jiada
2020-03-31 10:50 ` [PATCH v10 44/55] Input: atmel_mxt_ts: return error from mxt_process_messages_until_invalid() Jiada Wang
2020-03-31 10:50 ` [PATCH v10 45/55] Input: Atmel: improve error handling in mxt_start() Jiada Wang
2020-03-31 10:50 ` [PATCH v10 46/55] Input: Atmel: improve error handling in mxt_initialize() Jiada Wang
2020-03-31 10:50 ` [PATCH v10 47/55] Input: Atmel: improve error handling in mxt_update_cfg() Jiada Wang
2020-03-31 10:50 ` [PATCH v10 48/55] Input: Atmel: Improve error handling in mxt_initialize_input_device() Jiada Wang
2020-03-31 10:50 ` [PATCH v10 49/55] Input: Atmel: handle ReportID "0x00" while processing T5 messages Jiada Wang
2020-03-31 10:50 ` [PATCH v10 50/55] Input: Atmel: use T44 object to process " Jiada Wang
2020-03-31 10:50 ` [PATCH v10 51/55] Input: atmel_mxt_ts: use gpiod_set_value_cansleep for reset pin Jiada Wang
2020-03-31 10:50 ` [PATCH v10 52/55] input: touchscreen: atmel_mxt_ts: Added sysfs entry for touchscreen status Jiada Wang
2020-03-31 15:08 ` Dmitry Osipenko
2020-04-01 12:51 ` Wang, Jiada
2020-04-01 14:33 ` Dmitry Osipenko
2020-04-01 16:10 ` Dmitry Osipenko
2020-04-06 6:59 ` Wang, Jiada
2020-03-31 10:50 ` [PATCH v10 53/55] input: atmel_mxt_ts: added sysfs interface to update atmel T38 data Jiada Wang
2020-03-31 10:50 ` [PATCH v10 54/55] Input: atmel_mxt_ts: Implement synchronization during various operation Jiada Wang
2020-04-01 16:04 ` Dmitry Osipenko
2020-04-02 11:50 ` Wang, Jiada
2020-04-02 13:24 ` Dmitry Osipenko
2020-04-02 13:44 ` Dmitry Osipenko
2020-04-06 4:07 ` Wang, Jiada
2020-04-02 14:00 ` Dmitry Osipenko
2020-04-02 14:07 ` Dmitry Osipenko
2020-04-06 4:18 ` Wang, Jiada
2020-04-07 15:00 ` Dmitry Osipenko
2020-04-03 8:39 ` Wang, Jiada
2020-04-04 21:38 ` Dmitry Osipenko
2020-03-31 10:50 ` [PATCH v10 55/55] Input: atmel_mxt_ts - Fix compilation warning Jiada Wang
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