From: Wolfram Sang <wsa@kernel.org>
To: Sergey Shtylyov <s.shtylyov@omp.ru>
Cc: linux-i2c@vger.kernel.org, Qii Wang <qii.wang@mediatek.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org
Subject: Re: [PATCH v2 2/5] i2c: mt65xx: fix IRQ check
Date: Tue, 17 Aug 2021 22:09:09 +0200 [thread overview]
Message-ID: <YRwXZVxORTpddj2k@kunai> (raw)
In-Reply-To: <bab29007-8d74-0a68-2378-9db6ba0bc576@omp.ru>
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On Sun, Jul 04, 2021 at 05:38:45PM +0300, Sergey Shtylyov wrote:
> Iff platform_get_irq() returns 0, the driver's probe() method will return 0
> early (as if the method's call was successful). Let's consider IRQ0 valid
> for simplicity -- devm_request_irq() can always override that decision...
>
> Fixes: ce38815d39ea ("I2C: mediatek: Add driver for MediaTek I2C controller")
> Signed-off-by: Sergey Shtylyov <s.shtylyov@omprussia.ru>
Qii Wang, do you like this patch?
>
> ---
> drivers/i2c/busses/i2c-mt65xx.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> Index: linux/drivers/i2c/busses/i2c-mt65xx.c
> ===================================================================
> --- linux.orig/drivers/i2c/busses/i2c-mt65xx.c
> +++ linux/drivers/i2c/busses/i2c-mt65xx.c
> @@ -1211,7 +1211,7 @@ static int mtk_i2c_probe(struct platform
> return PTR_ERR(i2c->pdmabase);
>
> irq = platform_get_irq(pdev, 0);
> - if (irq <= 0)
> + if (irq < 0)
> return irq;
>
> init_completion(&i2c->msg_complete);
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WARNING: multiple messages have this Message-ID (diff)
From: Wolfram Sang <wsa@kernel.org>
To: Sergey Shtylyov <s.shtylyov@omp.ru>
Cc: linux-i2c@vger.kernel.org, Qii Wang <qii.wang@mediatek.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org
Subject: Re: [PATCH v2 2/5] i2c: mt65xx: fix IRQ check
Date: Tue, 17 Aug 2021 22:09:09 +0200 [thread overview]
Message-ID: <YRwXZVxORTpddj2k@kunai> (raw)
In-Reply-To: <bab29007-8d74-0a68-2378-9db6ba0bc576@omp.ru>
[-- Attachment #1.1: Type: text/plain, Size: 1057 bytes --]
On Sun, Jul 04, 2021 at 05:38:45PM +0300, Sergey Shtylyov wrote:
> Iff platform_get_irq() returns 0, the driver's probe() method will return 0
> early (as if the method's call was successful). Let's consider IRQ0 valid
> for simplicity -- devm_request_irq() can always override that decision...
>
> Fixes: ce38815d39ea ("I2C: mediatek: Add driver for MediaTek I2C controller")
> Signed-off-by: Sergey Shtylyov <s.shtylyov@omprussia.ru>
Qii Wang, do you like this patch?
>
> ---
> drivers/i2c/busses/i2c-mt65xx.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> Index: linux/drivers/i2c/busses/i2c-mt65xx.c
> ===================================================================
> --- linux.orig/drivers/i2c/busses/i2c-mt65xx.c
> +++ linux/drivers/i2c/busses/i2c-mt65xx.c
> @@ -1211,7 +1211,7 @@ static int mtk_i2c_probe(struct platform
> return PTR_ERR(i2c->pdmabase);
>
> irq = platform_get_irq(pdev, 0);
> - if (irq <= 0)
> + if (irq < 0)
> return irq;
>
> init_completion(&i2c->msg_complete);
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WARNING: multiple messages have this Message-ID (diff)
From: Wolfram Sang <wsa@kernel.org>
To: Sergey Shtylyov <s.shtylyov@omp.ru>
Cc: linux-i2c@vger.kernel.org, Qii Wang <qii.wang@mediatek.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org
Subject: Re: [PATCH v2 2/5] i2c: mt65xx: fix IRQ check
Date: Tue, 17 Aug 2021 22:09:09 +0200 [thread overview]
Message-ID: <YRwXZVxORTpddj2k@kunai> (raw)
In-Reply-To: <bab29007-8d74-0a68-2378-9db6ba0bc576@omp.ru>
[-- Attachment #1.1: Type: text/plain, Size: 1057 bytes --]
On Sun, Jul 04, 2021 at 05:38:45PM +0300, Sergey Shtylyov wrote:
> Iff platform_get_irq() returns 0, the driver's probe() method will return 0
> early (as if the method's call was successful). Let's consider IRQ0 valid
> for simplicity -- devm_request_irq() can always override that decision...
>
> Fixes: ce38815d39ea ("I2C: mediatek: Add driver for MediaTek I2C controller")
> Signed-off-by: Sergey Shtylyov <s.shtylyov@omprussia.ru>
Qii Wang, do you like this patch?
>
> ---
> drivers/i2c/busses/i2c-mt65xx.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> Index: linux/drivers/i2c/busses/i2c-mt65xx.c
> ===================================================================
> --- linux.orig/drivers/i2c/busses/i2c-mt65xx.c
> +++ linux/drivers/i2c/busses/i2c-mt65xx.c
> @@ -1211,7 +1211,7 @@ static int mtk_i2c_probe(struct platform
> return PTR_ERR(i2c->pdmabase);
>
> irq = platform_get_irq(pdev, 0);
> - if (irq <= 0)
> + if (irq < 0)
> return irq;
>
> init_completion(&i2c->msg_complete);
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next prev parent reply other threads:[~2021-08-17 20:09 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-04 14:32 [PATCH v2 0/5] Correctly handle plaform_get_irq()'s result in the i2C drivers Sergey Shtylyov
2021-07-04 14:32 ` Sergey Shtylyov
2021-07-04 14:32 ` Sergey Shtylyov
2021-07-04 14:35 ` [PATCH v2 1/5] i2c: hix5hd2: fix IRQ check Sergey Shtylyov
2021-08-17 20:10 ` Wolfram Sang
2021-07-04 14:38 ` [PATCH v2 2/5] i2c: mt65xx: " Sergey Shtylyov
2021-07-04 14:38 ` Sergey Shtylyov
2021-07-04 14:38 ` Sergey Shtylyov
2021-08-17 20:09 ` Wolfram Sang [this message]
2021-08-17 20:09 ` Wolfram Sang
2021-08-17 20:09 ` Wolfram Sang
2021-08-20 1:46 ` Qii Wang
2021-08-20 1:46 ` Qii Wang
2021-08-20 1:46 ` Qii Wang
2021-08-25 21:00 ` Wolfram Sang
2021-08-25 21:00 ` Wolfram Sang
2021-08-25 21:00 ` Wolfram Sang
2021-07-04 14:41 ` [PATCH v2 3/5] i2c: pmcmsp: " Sergey Shtylyov
2021-08-17 20:08 ` Wolfram Sang
2021-07-04 14:45 ` [PATCH v2 4/5] i2c: s3c2410: " Sergey Shtylyov
2021-07-04 14:45 ` Sergey Shtylyov
2021-07-05 7:46 ` Krzysztof Kozlowski
2021-07-05 7:46 ` Krzysztof Kozlowski
2021-08-17 20:08 ` Wolfram Sang
2021-08-17 20:08 ` Wolfram Sang
2021-07-04 14:47 ` [PATCH v2 5/5] i2c: xlp9xx: fix main " Sergey Shtylyov
2021-08-17 20:13 ` Wolfram Sang
2021-08-25 21:05 ` Wolfram Sang
2021-08-11 20:12 ` [PATCH v2 0/5] Correctly handle plaform_get_irq()'s result in the i2C drivers Sergey Shtylyov
2021-08-11 20:12 ` Sergey Shtylyov
2021-08-11 20:12 ` Sergey Shtylyov
2021-08-11 20:14 ` Sergey Shtylyov
2021-08-11 20:14 ` Sergey Shtylyov
2021-08-11 20:14 ` Sergey Shtylyov
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