From: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
To: William Breathitt Gray <vilhelm.gray@gmail.com>, <jic23@kernel.org>
Cc: <kamel.bouhara@bootlin.com>, <gwendal@chromium.org>,
<david@lechnology.com>, <linux-iio@vger.kernel.org>,
<patrick.havelange@essensium.com>,
<alexandre.belloni@bootlin.com>, <mcoquelin.stm32@gmail.com>,
<linux-kernel@vger.kernel.org>, <o.rempel@pengutronix.de>,
<kernel@pengutronix.de>, <fabrice.gasnier@st.com>,
<syednwaris@gmail.com>,
<linux-stm32@st-md-mailman.stormreply.com>,
<linux-arm-kernel@lists.infradead.org>, <alexandre.torgue@st.com>
Subject: Re: [Linux-stm32] [PATCH v10 19/33] counter: Standardize to ERANGE for limit exceeded errors
Date: Mon, 22 Mar 2021 17:29:25 +0100 [thread overview]
Message-ID: <1510a9e6-d1d3-c370-488d-42874f28d129@foss.st.com> (raw)
In-Reply-To: <f09068dd8b89aa81c4310ea39cbdb0d631dddf98.1616150619.git.vilhelm.gray@gmail.com>
On 3/19/21 12:00 PM, William Breathitt Gray wrote:
> ERANGE is a semantically better error code to return when an argument
> value falls outside the supported limit range of a device.
>
> Cc: Syed Nayyar Waris <syednwaris@gmail.com>
> Cc: Oleksij Rempel <o.rempel@pengutronix.de>
> Cc: Fabrice Gasnier <fabrice.gasnier@st.com>
> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
> Cc: Alexandre Torgue <alexandre.torgue@st.com>
> Reviewed-by: David Lechner <david@lechnology.com>
> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
> ---
> drivers/counter/104-quad-8.c | 6 +++---
> drivers/counter/interrupt-cnt.c | 3 +++
> drivers/counter/stm32-lptimer-cnt.c | 2 +-
> 3 files changed, 7 insertions(+), 4 deletions(-)
Hi William,
For the STM32 driver, you can add my:
Reviewed-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Thanks,
Fabrice
>
> diff --git a/drivers/counter/104-quad-8.c b/drivers/counter/104-quad-8.c
> index b7d6c1c43655..0409b1771fd9 100644
> --- a/drivers/counter/104-quad-8.c
> +++ b/drivers/counter/104-quad-8.c
> @@ -154,7 +154,7 @@ static int quad8_count_write(struct counter_device *counter,
>
> /* Only 24-bit values are supported */
> if (val > 0xFFFFFF)
> - return -EINVAL;
> + return -ERANGE;
>
> mutex_lock(&priv->lock);
>
> @@ -669,7 +669,7 @@ static ssize_t quad8_count_preset_write(struct counter_device *counter,
>
> /* Only 24-bit values are supported */
> if (preset > 0xFFFFFF)
> - return -EINVAL;
> + return -ERANGE;
>
> mutex_lock(&priv->lock);
>
> @@ -714,7 +714,7 @@ static ssize_t quad8_count_ceiling_write(struct counter_device *counter,
>
> /* Only 24-bit values are supported */
> if (ceiling > 0xFFFFFF)
> - return -EINVAL;
> + return -ERANGE;
>
> mutex_lock(&priv->lock);
>
> diff --git a/drivers/counter/interrupt-cnt.c b/drivers/counter/interrupt-cnt.c
> index 0e07607f2cd3..f27dea317965 100644
> --- a/drivers/counter/interrupt-cnt.c
> +++ b/drivers/counter/interrupt-cnt.c
> @@ -107,6 +107,9 @@ static int interrupt_cnt_write(struct counter_device *counter,
> {
> struct interrupt_cnt_priv *priv = counter->priv;
>
> + if (val != (typeof(priv->count.counter))val)
> + return -ERANGE;
> +
> atomic_set(&priv->count, val);
>
> return 0;
> diff --git a/drivers/counter/stm32-lptimer-cnt.c b/drivers/counter/stm32-lptimer-cnt.c
> index 78f383b77bd2..49aeb9e393f3 100644
> --- a/drivers/counter/stm32-lptimer-cnt.c
> +++ b/drivers/counter/stm32-lptimer-cnt.c
> @@ -283,7 +283,7 @@ static ssize_t stm32_lptim_cnt_ceiling_write(struct counter_device *counter,
> return ret;
>
> if (ceiling > STM32_LPTIM_MAX_ARR)
> - return -EINVAL;
> + return -ERANGE;
>
> priv->ceiling = ceiling;
>
>
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next prev parent reply other threads:[~2021-03-22 16:32 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-19 11:00 [PATCH v10 00/33] Introduce the Counter character device interface William Breathitt Gray
2021-03-19 11:00 ` [PATCH v10 01/33] docs: counter: Consolidate Counter sysfs attributes documentation William Breathitt Gray
2021-03-19 11:00 ` [PATCH v10 02/33] docs: counter: Fix spelling William Breathitt Gray
2021-03-19 11:00 ` [PATCH v10 03/33] counter: 104-quad-8: Remove pointless comment William Breathitt Gray
2021-04-15 15:13 ` Syed Nayyar Waris
2021-03-19 11:00 ` [PATCH v10 04/33] counter: 104-quad-8: Return error when invalid mode during ceiling_write William Breathitt Gray
2021-04-15 15:14 ` Syed Nayyar Waris
2021-03-19 11:00 ` [PATCH v10 05/33] counter: 104-quad-8: Annotate hardware config module parameter William Breathitt Gray
2021-04-15 15:15 ` Syed Nayyar Waris
2021-03-19 11:00 ` [PATCH v10 06/33] counter: 104-quad-8: Add const qualifiers for quad8_preset_register_set William Breathitt Gray
2021-04-15 15:16 ` Syed Nayyar Waris
2021-03-19 11:00 ` [PATCH v10 07/33] counter: 104-quad-8: Add const qualifier for functions_list array William Breathitt Gray
2021-04-15 15:17 ` Syed Nayyar Waris
2021-03-19 11:00 ` [PATCH v10 08/33] counter: interrupt-cnt: " William Breathitt Gray
2021-03-19 11:00 ` [PATCH v10 09/33] counter: microchip-tcb-capture: " William Breathitt Gray
2021-03-19 11:00 ` [PATCH v10 10/33] counter: stm32-lptimer-cnt: " William Breathitt Gray
2021-03-22 16:22 ` [Linux-stm32] " Fabrice Gasnier
2021-03-19 11:00 ` [PATCH v10 11/33] counter: stm32-timer-cnt: " William Breathitt Gray
2021-03-22 16:22 ` [Linux-stm32] " Fabrice Gasnier
2021-03-19 11:00 ` [PATCH v10 12/33] counter: 104-quad-8: Add const qualifier for actions_list array William Breathitt Gray
2021-04-15 15:18 ` Syed Nayyar Waris
2021-03-19 11:00 ` [PATCH v10 13/33] counter: ftm-quaddec: " William Breathitt Gray
2021-03-19 11:00 ` [PATCH v10 14/33] counter: interrupt-cnt: " William Breathitt Gray
2021-03-19 11:00 ` [PATCH v10 15/33] counter: microchip-tcb-capture: " William Breathitt Gray
2021-03-19 11:00 ` [PATCH v10 16/33] counter: stm32-lptimer-cnt: " William Breathitt Gray
2021-03-22 16:23 ` [Linux-stm32] " Fabrice Gasnier
2021-03-19 11:00 ` [PATCH v10 17/33] counter: stm32-timer-cnt: " William Breathitt Gray
2021-03-22 16:24 ` [Linux-stm32] " Fabrice Gasnier
2021-03-19 11:00 ` [PATCH v10 18/33] counter: Return error code on invalid modes William Breathitt Gray
2021-03-22 16:26 ` [Linux-stm32] " Fabrice Gasnier
2021-04-15 15:19 ` Syed Nayyar Waris
2021-03-19 11:00 ` [PATCH v10 19/33] counter: Standardize to ERANGE for limit exceeded errors William Breathitt Gray
2021-03-22 16:29 ` Fabrice Gasnier [this message]
2021-04-15 15:20 ` Syed Nayyar Waris
2021-03-19 11:00 ` [PATCH v10 20/33] counter: Rename counter_signal_value to counter_signal_level William Breathitt Gray
2021-04-15 15:21 ` Syed Nayyar Waris
2021-03-19 11:00 ` [PATCH v10 21/33] counter: Rename counter_count_function to counter_function William Breathitt Gray
2021-03-22 16:31 ` [Linux-stm32] " Fabrice Gasnier
2021-04-15 15:22 ` Syed Nayyar Waris
2021-03-19 11:00 ` [PATCH v10 23/33] counter: Update counter.h comments to reflect sysfs internalization William Breathitt Gray
2021-03-19 11:00 ` [PATCH v10 24/33] docs: counter: Update " William Breathitt Gray
2021-03-19 11:00 ` [PATCH v10 25/33] counter: Move counter enums to uapi header William Breathitt Gray
2021-03-19 11:00 ` [PATCH v10 26/33] counter: Add character device interface William Breathitt Gray
2021-03-19 11:00 ` [PATCH v10 27/33] docs: counter: Document " William Breathitt Gray
2021-03-19 11:00 ` [PATCH v10 28/33] tools/counter: Create Counter tools William Breathitt Gray
2021-03-19 11:00 ` [PATCH v10 29/33] counter: Implement signalZ_action_component_id sysfs attribute William Breathitt Gray
2021-03-19 11:00 ` [PATCH v10 30/33] counter: Implement *_component_id sysfs attributes William Breathitt Gray
2021-03-19 11:00 ` [PATCH v10 31/33] counter: Implement events_queue_size sysfs attribute William Breathitt Gray
2021-03-19 11:00 ` [PATCH v10 32/33] counter: 104-quad-8: Replace mutex with spinlock William Breathitt Gray
2021-04-15 15:24 ` Syed Nayyar Waris
2021-03-19 11:00 ` [PATCH v10 33/33] counter: 104-quad-8: Add IRQ support for the ACCES 104-QUAD-8 William Breathitt Gray
2021-04-15 15:25 ` Syed Nayyar Waris
[not found] ` <51becb2e067a4d2ee7bd99beb007831022fc4b29.1616150619.git.vilhelm.gray@gmail.com>
2021-03-22 16:44 ` [Linux-stm32] [PATCH v10 22/33] counter: Internalize sysfs interface code Fabrice Gasnier
2021-03-23 9:17 ` William Breathitt Gray
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