From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Rob Herring <robh@kernel.org>
Cc: Eduardo Valentin <edubezval@gmail.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"open list:THERMAL" <linux-pm@vger.kernel.org>,
Leo Yan <leo.yan@linaro.org>, Zhang Rui <rui.zhang@intel.com>,
Mark Rutland <mark.rutland@arm.com>,
Wei Xu <xuwei5@hisilicon.com>,
devicetree@vger.kernel.org,
"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 08/14] ARM64: dts: hisilicon: Add tsensor interrupt name
Date: Tue, 16 Oct 2018 17:12:50 +0200 [thread overview]
Message-ID: <615bc0a7-161d-76de-e798-7ce779f49a75@linaro.org> (raw)
In-Reply-To: <CAL_JsqJCJbOxP_ODJ_JTRCvrFpSCSxa-X1LCr+1-pY_ApTz_1Q@mail.gmail.com>
On 16/10/2018 16:44, Rob Herring wrote:
> On Mon, Oct 15, 2018 at 1:01 PM Daniel Lezcano
> <daniel.lezcano@linaro.org> wrote:
>>
>>
>> Hi Rob,
>>
>> thanks for the review.
>>
>> On 15/10/2018 18:28, Rob Herring wrote:
>>> On Tue, Sep 25, 2018 at 11:03:06AM +0200, Daniel Lezcano wrote:
>>>> Add the interrupt names for the sensors, so the code can rely on them
>>>> instead of dealing with index which are prone to error.
>
> [...]
>
>>>> + interrupt-names = "tsensor_intr";
>>>
>>> That name seems pretty pointless.
>>>
>>>> clocks = <&sys_ctrl HI6220_TSENSOR_CLK>;
>>>> clock-names = "thermal_clk";
>>>> #thermal-sensor-cells = <1>;
>>>> @@ -28,5 +30,6 @@ for Hi3660:
>>>> compatible = "hisilicon,hi3660-tsensor";
>>>> reg = <0x0 0xfff30000 0x0 0x1000>;
>>>> interrupts = <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>;
>>>> + interrupt-names = "tsensor_a73";
>>>
>>> Just 'a73' is sufficient.
>>
>> This is the name defined in the board documentation to give a name to
>> the interrupt when requesting it. This one appears in /proc/interrupts.
>>
>> I can replace the 'tsensor_intr' by 'tsensor', but if 'tsensor_a73' is
>> replaced by 'a73' that may looks odd in /proc/interrupts to see an
>> interrupts line with the 'a73' name.
>
> Sounds like a Linux problem, not DT...
>
> The thing is that any *-names property is supposed to be a local to
> block name. For example, a UART may have a TX irq. It's local name is
> just "TX IRQ", but then upstream at the interrupt controller it may be
> "UART1 TX IRQ". If you have multiple instances, the local names are
> the same.
>
> If we lose the node name from /proc/interrupts when interrupt-names is
> used, then we should fix that.
Ah, ok. It makes more sense for me now. Thanks for the explanation, .
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next prev parent reply other threads:[~2018-10-16 15:12 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-25 9:02 [PATCH 00/14] thermal/drivers/hi3660: Dual cluster sensors support Daniel Lezcano
2018-09-25 9:02 ` [PATCH 01/14] thermal/drivers/hisi: Change the platform data pointer to sensor ops Daniel Lezcano
2018-09-25 9:03 ` [PATCH 02/14] thermal/drivers/hisi: Change the driver to be sensor oriented Daniel Lezcano
2018-09-25 9:03 ` [PATCH 03/14] thermal/drivers/hisi: Set the thermal zone private data to the sensor pointer Daniel Lezcano
2018-09-25 9:03 ` [PATCH 04/14] thermal/drivers/hisi: Factor out the probe functions Daniel Lezcano
2018-09-25 9:03 ` [PATCH 05/14] thermal/drivers/hisi: Prepare to support multiple sensors Daniel Lezcano
2018-09-25 9:03 ` [PATCH 06/14] thermal/drivers/hisi: Add multiple sensors support Daniel Lezcano
2018-09-25 9:03 ` [PATCH 07/14] thermal/drivers/hisi: Replace macro name with relevant sensor location Daniel Lezcano
2018-09-25 9:03 ` [PATCH 08/14] ARM64: dts: hisilicon: Add tsensor interrupt name Daniel Lezcano
2018-10-15 16:28 ` Rob Herring
2018-10-15 18:01 ` Daniel Lezcano
2018-10-16 14:44 ` Rob Herring
2018-10-16 15:12 ` Daniel Lezcano [this message]
2018-09-25 9:03 ` [PATCH 09/14] thermal/drivers/hisi: Use platform_get_irq_byname Daniel Lezcano
2018-09-25 9:03 ` [PATCH 10/14] ARM64: dts: hisilicon: Add interrupt names for the tsensors Daniel Lezcano
2018-10-15 16:31 ` Rob Herring
2018-10-15 18:01 ` Daniel Lezcano
2018-09-25 9:03 ` [PATCH 11/14] thermal/drivers/hisi: Remove pointless irq field Daniel Lezcano
2018-09-25 9:03 ` [PATCH 12/14] thermal/drivers/hisi: Add more sensors channel Daniel Lezcano
2018-09-25 9:03 ` [PATCH 13/14] ARM64: dts: hisilicon: Add dual clusters thermal zones for hi3660 Daniel Lezcano
2018-09-25 9:03 ` [PATCH 14/14] thermal/drivers/hisi: Add the dual clusters sensors " Daniel Lezcano
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