linux-kernel - Re: [PATCH] mfd: 88pm80x: fix no interrupt mask reg

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Date:	Wed, 12 Dec 2012 14:28:18 +0800
From:	Qing Xu <qingx@...vell.com>
To:	Qing Xu <qingx@...vell.com>
Cc:	Qiao Zhou <zhouqiao@...vell.com>,
	"sameo@...ux.intel.com" <sameo@...ux.intel.com>,
	Xiaofan Tian <tianxf@...vell.com>,
	Chao Xie <cxie4@...vell.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mfd: 88pm80x: fix no interrupt mask reg

On 12/03/2012 04:11 PM, Qing Xu wrote:
> From: Qing Xu <qingx@...vell.com>
>
> 1.88pm80x do not have interrupt mask registers and we use
> interrupt enable register. So we need to set mask_invert flag.
> 2.add support for D0 version
>
> Signed-off-by: Xiaofan Tian <tianxf@...vell.com>
> Signed-off-by: Qing Xu <qingx@...vell.com>
> ---
>   drivers/mfd/88pm800.c |    4 +++-
>   drivers/mfd/88pm805.c |    1 +
>   2 files changed, 4 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
> index e1525ab..3fcc8dd 100644
> --- a/drivers/mfd/88pm800.c
> +++ b/drivers/mfd/88pm800.c
> @@ -119,7 +119,8 @@ enum {
>   	PM800_CHIP_A1  = 0x61,
>   	PM800_CHIP_B0  = 0x62,
>   	PM800_CHIP_C0  = 0x63,
> -	PM800_CHIP_END = PM800_CHIP_C0,
> +	PM800_CHIP_D0  = 0x64,
> +	PM800_CHIP_END = PM800_CHIP_D0,
>   
>   	/* Make sure to update this to the last stepping */
>   	PM8XXX_CHIP_END = PM800_CHIP_END
> @@ -362,6 +363,7 @@ static struct regmap_irq_chip pm800_irq_chip = {
>   	.status_base = PM800_INT_STATUS1,
>   	.mask_base = PM800_INT_ENA_1,
>   	.ack_base = PM800_INT_STATUS1,
> +	.mask_invert = 1,
>   };
>   
>   static int pm800_pages_init(struct pm80x_chip *chip)
> diff --git a/drivers/mfd/88pm805.c b/drivers/mfd/88pm805.c
> index 8c9e25a..39a91bd 100644
> --- a/drivers/mfd/88pm805.c
> +++ b/drivers/mfd/88pm805.c
> @@ -187,6 +187,7 @@ static struct regmap_irq_chip pm805_irq_chip = {
>   	.status_base = PM805_INT_STATUS1,
>   	.mask_base = PM805_INT_MASK1,
>   	.ack_base = PM805_INT_STATUS1,
> +	.mask_invert = 1,
>   };
>   
>   static int __devinit device_805_init(struct pm80x_chip *chip)


Samuel,

Could you help to review my patch? Thanks a lot!

Qing


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