From: Stephen Boyd <sboyd@codeaurora.org>
To: Courtney Cavin <courtney.cavin@sonymobile.com>
Cc: Samuel Ortiz <sameo@linux.intel.com>,
Lee Jones <lee.jones@linaro.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-msm@vger.kernel.org" <linux-arm-msm@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 7/8] mfd: pm8921: Migrate to irqdomains
Date: Thu, 12 Dec 2013 11:05:20 -0800 [thread overview]
Message-ID: <52AA08F0.2000308@codeaurora.org> (raw)
In-Reply-To: <20131211213003.GC15223@sonymobile.com>
On 12/11/13 13:30, Courtney Cavin wrote:
> On Wed, Dec 11, 2013 at 12:35:22AM +0100, Stephen Boyd wrote:
>> @@ -282,17 +278,14 @@ static struct irq_chip pm8xxx_irq_chip = {
>> * RETURNS:
>> * an int indicating the value read on that line
>> */
>> -int pm8xxx_get_irq_stat(struct pm_irq_chip *chip, int irq)
>> +static int pm8xxx_get_irq_stat(struct pm_irq_chip *chip, int irq)
>> {
>> int pmirq, rc;
>> u8 block, bits, bit;
>> unsigned long flags;
>> + struct irq_data *irq_data = irq_get_irq_data(irq);
>>
>> - if (chip == NULL || irq < chip->irq_base ||
>> - irq >= chip->irq_base + chip->num_irqs)
>> - return -EINVAL;
>> -
>> - pmirq = irq - chip->irq_base;
>> + pmirq = irq_data->hwirq;
>>
>> block = pmirq / 8;
>> bit = pmirq % 8;
>> @@ -322,64 +315,55 @@ bail_out:
>> }
>> EXPORT_SYMBOL_GPL(pm8xxx_get_irq_stat);
> Surely this isn't needed anymore, since the function is now static.
Sure. Deleted.
>
> [...]
>> +static int pm8xxx_irq_init(struct platform_device *pdev, unsigned int irq,
>> + unsigned int nirqs)
> 'nirqs' seems to always be 256. Is there a benefit to keeping this
> dynamic?
I was future coding. Some pmics have less than 256 interrupts. I'll just
hardcode it for now and if/when we support the other pmics we can make
it a parameter.
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by The Linux Foundation
WARNING: multiple messages have this Message-ID (diff)
From: sboyd@codeaurora.org (Stephen Boyd)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 7/8] mfd: pm8921: Migrate to irqdomains
Date: Thu, 12 Dec 2013 11:05:20 -0800 [thread overview]
Message-ID: <52AA08F0.2000308@codeaurora.org> (raw)
In-Reply-To: <20131211213003.GC15223@sonymobile.com>
On 12/11/13 13:30, Courtney Cavin wrote:
> On Wed, Dec 11, 2013 at 12:35:22AM +0100, Stephen Boyd wrote:
>> @@ -282,17 +278,14 @@ static struct irq_chip pm8xxx_irq_chip = {
>> * RETURNS:
>> * an int indicating the value read on that line
>> */
>> -int pm8xxx_get_irq_stat(struct pm_irq_chip *chip, int irq)
>> +static int pm8xxx_get_irq_stat(struct pm_irq_chip *chip, int irq)
>> {
>> int pmirq, rc;
>> u8 block, bits, bit;
>> unsigned long flags;
>> + struct irq_data *irq_data = irq_get_irq_data(irq);
>>
>> - if (chip == NULL || irq < chip->irq_base ||
>> - irq >= chip->irq_base + chip->num_irqs)
>> - return -EINVAL;
>> -
>> - pmirq = irq - chip->irq_base;
>> + pmirq = irq_data->hwirq;
>>
>> block = pmirq / 8;
>> bit = pmirq % 8;
>> @@ -322,64 +315,55 @@ bail_out:
>> }
>> EXPORT_SYMBOL_GPL(pm8xxx_get_irq_stat);
> Surely this isn't needed anymore, since the function is now static.
Sure. Deleted.
>
> [...]
>> +static int pm8xxx_irq_init(struct platform_device *pdev, unsigned int irq,
>> + unsigned int nirqs)
> 'nirqs' seems to always be 256. Is there a benefit to keeping this
> dynamic?
I was future coding. Some pmics have less than 256 interrupts. I'll just
hardcode it for now and if/when we support the other pmics we can make
it a parameter.
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by The Linux Foundation
next prev parent reply other threads:[~2013-12-12 19:05 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-10 23:35 [PATCH 0/8] Modernize pm8921 with irqdomains + regmap Stephen Boyd
2013-12-10 23:35 ` Stephen Boyd
2013-12-10 23:35 ` [PATCH 1/8] mfd: ssbi: Remove platform data structs and hide ssbi type enum Stephen Boyd
2013-12-10 23:35 ` Stephen Boyd
2013-12-11 9:27 ` Lee Jones
2013-12-11 9:27 ` Lee Jones
2013-12-10 23:35 ` [PATCH 2/8] mfd: ssbi: Constify buffer in ssbi_write Stephen Boyd
2013-12-10 23:35 ` Stephen Boyd
2013-12-11 9:28 ` Lee Jones
2013-12-11 9:28 ` Lee Jones
2013-12-10 23:35 ` [PATCH 3/8] regmap: Add support for using regmap over ssbi Stephen Boyd
2013-12-10 23:35 ` Stephen Boyd
2013-12-10 23:50 ` Mark Brown
2013-12-10 23:50 ` Mark Brown
2013-12-11 0:13 ` Stephen Boyd
2013-12-11 0:13 ` Stephen Boyd
2013-12-11 0:51 ` Mark Brown
2013-12-11 0:51 ` Mark Brown
2013-12-11 1:32 ` Stephen Boyd
2013-12-11 1:32 ` Stephen Boyd
2013-12-11 13:27 ` Mark Brown
2013-12-11 13:27 ` Mark Brown
2013-12-12 23:13 ` Stephen Boyd
2013-12-12 23:13 ` Stephen Boyd
2013-12-13 10:41 ` Mark Brown
2013-12-13 10:41 ` Mark Brown
2013-12-13 17:14 ` [PATCH] regmap: Allow regmap_bulk_read() to work for "no-bus" regmaps Stephen Boyd
2013-12-13 17:14 ` Stephen Boyd
2013-12-13 17:14 ` Stephen Boyd
2013-12-16 20:57 ` Mark Brown
2013-12-16 20:57 ` Mark Brown
2013-12-13 21:37 ` [PATCH 3/8] regmap: Add support for using regmap over ssbi Stephen Boyd
2013-12-13 21:37 ` Stephen Boyd
2013-12-16 21:01 ` Mark Brown
2013-12-16 21:01 ` Mark Brown
2013-12-17 2:30 ` [PATCH] regmap: Allow regmap_bulk_write() to work for "no-bus" regmaps Stephen Boyd
2013-12-17 2:30 ` Stephen Boyd
2013-12-18 18:45 ` Mark Brown
2013-12-18 18:45 ` Mark Brown
2013-12-23 20:05 ` Stephen Boyd
2013-12-23 20:05 ` Stephen Boyd
2013-12-24 12:53 ` Mark Brown
2013-12-24 12:53 ` Mark Brown
2013-12-26 19:34 ` Stephen Boyd
2013-12-26 19:34 ` Stephen Boyd
2013-12-26 21:52 ` [PATCH v2] " Stephen Boyd
2013-12-26 21:52 ` Stephen Boyd
2013-12-30 12:42 ` Mark Brown
2013-12-30 12:42 ` Mark Brown
2013-12-10 23:35 ` [PATCH 4/8] mfd: ssbi: Mark match table const Stephen Boyd
2013-12-10 23:35 ` Stephen Boyd
2013-12-11 9:29 ` Lee Jones
2013-12-11 9:29 ` Lee Jones
2013-12-10 23:35 ` [PATCH 5/8] mfd: Move pm8xxx-irq.c contents into only driver that uses it Stephen Boyd
2013-12-10 23:35 ` Stephen Boyd
2013-12-11 9:35 ` Lee Jones
2013-12-11 9:35 ` Lee Jones
2013-12-12 19:06 ` Stephen Boyd
2013-12-12 19:06 ` Stephen Boyd
2013-12-10 23:35 ` [PATCH 6/8] mfd: pm8921: Update for genirq changes Stephen Boyd
2013-12-10 23:35 ` Stephen Boyd
2013-12-11 9:48 ` Lee Jones
2013-12-11 9:48 ` Lee Jones
2013-12-10 23:35 ` [PATCH 7/8] mfd: pm8921: Migrate to irqdomains Stephen Boyd
2013-12-10 23:35 ` Stephen Boyd
2013-12-11 9:53 ` Lee Jones
2013-12-11 9:53 ` Lee Jones
2013-12-11 21:30 ` Courtney Cavin
2013-12-11 21:30 ` Courtney Cavin
2013-12-11 21:30 ` Courtney Cavin
2013-12-12 19:05 ` Stephen Boyd [this message]
2013-12-12 19:05 ` Stephen Boyd
2013-12-12 19:05 ` Stephen Boyd
2013-12-10 23:35 ` [PATCH 8/8] mfd: pm8921: Use ssbi regmap Stephen Boyd
2013-12-10 23:35 ` Stephen Boyd
2013-12-11 9:55 ` Lee Jones
2013-12-11 9:55 ` Lee Jones
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