* Re: [PATCH] i2c: drivers: Remove superfluous error message
2020-05-04 11:44 ` [PATCH] i2c: drivers: Remove superfluous error message Aishwarya Ramakrishnan
@ 2020-05-04 12:42 ` Andy Shevchenko
2020-05-04 12:44 ` Andy Shevchenko
2020-05-04 14:30 ` Masahiro Yamada
2020-05-05 14:13 ` Wolfram Sang
2 siblings, 1 reply; 8+ messages in thread
From: Andy Shevchenko @ 2020-05-04 12:42 UTC (permalink / raw)
To: Aishwarya Ramakrishnan
Cc: Thor Thayer, Hans de Goede, Vladimir Zapolskiy, Masahiro Yamada,
Greg Kroah-Hartman, Pierre-Yves MORDRET, Gregory CLEMENT,
Baruch Siach, Dmitry Osipenko, Thomas Gleixner, linux-i2c,
linux-kernel, linux-arm-kernel
On Mon, May 04, 2020 at 05:14:06PM +0530, Aishwarya Ramakrishnan wrote:
> The function platform_get_irq can log an error by itself.
> This omit a redundant message for exception handling in the
> calling function.
FWIW,
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Suggested by Coccinelle.
Compile tested only, right?
>
> Signed-off-by: Aishwarya Ramakrishnan <aishwaryarj100@gmail.com>
> ---
> drivers/i2c/busses/i2c-altera.c | 4 +---
> drivers/i2c/busses/i2c-cht-wc.c | 4 +---
> drivers/i2c/busses/i2c-img-scb.c | 4 +---
> drivers/i2c/busses/i2c-lpc2k.c | 4 +---
> drivers/i2c/busses/i2c-uniphier.c | 4 +---
> 5 files changed, 5 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-altera.c b/drivers/i2c/busses/i2c-altera.c
> index f5c00f903df3..af6985f0ae63 100644
> --- a/drivers/i2c/busses/i2c-altera.c
> +++ b/drivers/i2c/busses/i2c-altera.c
> @@ -395,10 +395,8 @@ static int altr_i2c_probe(struct platform_device *pdev)
> return PTR_ERR(idev->base);
>
> irq = platform_get_irq(pdev, 0);
> - if (irq < 0) {
> - dev_err(&pdev->dev, "missing interrupt resource\n");
> + if (irq < 0)
> return irq;
> - }
>
> idev->i2c_clk = devm_clk_get(&pdev->dev, NULL);
> if (IS_ERR(idev->i2c_clk)) {
> diff --git a/drivers/i2c/busses/i2c-cht-wc.c b/drivers/i2c/busses/i2c-cht-wc.c
> index 35e55feda763..343ae5754e6e 100644
> --- a/drivers/i2c/busses/i2c-cht-wc.c
> +++ b/drivers/i2c/busses/i2c-cht-wc.c
> @@ -314,10 +314,8 @@ static int cht_wc_i2c_adap_i2c_probe(struct platform_device *pdev)
> int ret, reg, irq;
>
> irq = platform_get_irq(pdev, 0);
> - if (irq < 0) {
> - dev_err(&pdev->dev, "Error missing irq resource\n");
> + if (irq < 0)
> return -EINVAL;
> - }
>
> adap = devm_kzalloc(&pdev->dev, sizeof(*adap), GFP_KERNEL);
> if (!adap)
> diff --git a/drivers/i2c/busses/i2c-img-scb.c b/drivers/i2c/busses/i2c-img-scb.c
> index 422097a31c95..2f6de763816a 100644
> --- a/drivers/i2c/busses/i2c-img-scb.c
> +++ b/drivers/i2c/busses/i2c-img-scb.c
> @@ -1344,10 +1344,8 @@ static int img_i2c_probe(struct platform_device *pdev)
> return PTR_ERR(i2c->base);
>
> irq = platform_get_irq(pdev, 0);
> - if (irq < 0) {
> - dev_err(&pdev->dev, "can't get irq number\n");
> + if (irq < 0)
> return irq;
> - }
>
> i2c->sys_clk = devm_clk_get(&pdev->dev, "sys");
> if (IS_ERR(i2c->sys_clk)) {
> diff --git a/drivers/i2c/busses/i2c-lpc2k.c b/drivers/i2c/busses/i2c-lpc2k.c
> index 13b0c12e2dba..43dc9b7043e4 100644
> --- a/drivers/i2c/busses/i2c-lpc2k.c
> +++ b/drivers/i2c/busses/i2c-lpc2k.c
> @@ -362,10 +362,8 @@ static int i2c_lpc2k_probe(struct platform_device *pdev)
> return PTR_ERR(i2c->base);
>
> i2c->irq = platform_get_irq(pdev, 0);
> - if (i2c->irq < 0) {
> - dev_err(&pdev->dev, "can't get interrupt resource\n");
> + if (i2c->irq < 0)
> return i2c->irq;
> - }
>
> init_waitqueue_head(&i2c->wait);
>
> diff --git a/drivers/i2c/busses/i2c-uniphier.c b/drivers/i2c/busses/i2c-uniphier.c
> index 668b1fa2b0ef..ee00a44bf4c7 100644
> --- a/drivers/i2c/busses/i2c-uniphier.c
> +++ b/drivers/i2c/busses/i2c-uniphier.c
> @@ -324,10 +324,8 @@ static int uniphier_i2c_probe(struct platform_device *pdev)
> return PTR_ERR(priv->membase);
>
> irq = platform_get_irq(pdev, 0);
> - if (irq < 0) {
> - dev_err(dev, "failed to get IRQ number\n");
> + if (irq < 0)
> return irq;
> - }
>
> if (of_property_read_u32(dev->of_node, "clock-frequency", &bus_speed))
> bus_speed = I2C_MAX_STANDARD_MODE_FREQ;
> --
> 2.17.1
>
--
With Best Regards,
Andy Shevchenko
^ permalink raw reply [flat|nested] 8+ messages in thread* Re: [PATCH] i2c: drivers: Remove superfluous error message
2020-05-04 12:42 ` Andy Shevchenko
@ 2020-05-04 12:44 ` Andy Shevchenko
0 siblings, 0 replies; 8+ messages in thread
From: Andy Shevchenko @ 2020-05-04 12:44 UTC (permalink / raw)
To: Aishwarya Ramakrishnan
Cc: Thor Thayer, Hans de Goede, Vladimir Zapolskiy, Masahiro Yamada,
Greg Kroah-Hartman, Pierre-Yves MORDRET, Gregory CLEMENT,
Baruch Siach, Dmitry Osipenko, Thomas Gleixner, linux-i2c,
linux-kernel, linux-arm-kernel
On Mon, May 04, 2020 at 03:42:56PM +0300, Andy Shevchenko wrote:
> On Mon, May 04, 2020 at 05:14:06PM +0530, Aishwarya Ramakrishnan wrote:
> > The function platform_get_irq can log an error by itself.
> > This omit a redundant message for exception handling in the
> > calling function.
>
> FWIW,
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Wolfram, I didn't notice any updates in your public tree. Do you have plans to
push them this week?
--
With Best Regards,
Andy Shevchenko
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH] i2c: drivers: Remove superfluous error message
2020-05-04 11:44 ` [PATCH] i2c: drivers: Remove superfluous error message Aishwarya Ramakrishnan
2020-05-04 12:42 ` Andy Shevchenko
@ 2020-05-04 14:30 ` Masahiro Yamada
2020-05-05 14:13 ` Wolfram Sang
2 siblings, 0 replies; 8+ messages in thread
From: Masahiro Yamada @ 2020-05-04 14:30 UTC (permalink / raw)
To: Aishwarya Ramakrishnan
Cc: Thor Thayer, Hans de Goede, Vladimir Zapolskiy,
Greg Kroah-Hartman, Pierre-Yves MORDRET, Gregory CLEMENT,
Baruch Siach, Dmitry Osipenko, Thomas Gleixner, Andy Shevchenko,
linux-i2c, Linux Kernel Mailing List, linux-arm-kernel
On Mon, May 4, 2020 at 8:44 PM Aishwarya Ramakrishnan
<aishwaryarj100@gmail.com> wrote:
>
> The function platform_get_irq can log an error by itself.
> This omit a redundant message for exception handling in the
> calling function.
>
> Suggested by Coccinelle.
>
> Signed-off-by: Aishwarya Ramakrishnan <aishwaryarj100@gmail.com>
> ---
> drivers/i2c/busses/i2c-altera.c | 4 +---
> drivers/i2c/busses/i2c-cht-wc.c | 4 +---
> drivers/i2c/busses/i2c-img-scb.c | 4 +---
> drivers/i2c/busses/i2c-lpc2k.c | 4 +---
> drivers/i2c/busses/i2c-uniphier.c | 4 +---
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
I see more drivers with the similar pattern, though.
> 5 files changed, 5 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-altera.c b/drivers/i2c/busses/i2c-altera.c
> index f5c00f903df3..af6985f0ae63 100644
> --- a/drivers/i2c/busses/i2c-altera.c
> +++ b/drivers/i2c/busses/i2c-altera.c
> @@ -395,10 +395,8 @@ static int altr_i2c_probe(struct platform_device *pdev)
> return PTR_ERR(idev->base);
>
> irq = platform_get_irq(pdev, 0);
> - if (irq < 0) {
> - dev_err(&pdev->dev, "missing interrupt resource\n");
> + if (irq < 0)
> return irq;
> - }
>
> idev->i2c_clk = devm_clk_get(&pdev->dev, NULL);
> if (IS_ERR(idev->i2c_clk)) {
> diff --git a/drivers/i2c/busses/i2c-cht-wc.c b/drivers/i2c/busses/i2c-cht-wc.c
> index 35e55feda763..343ae5754e6e 100644
> --- a/drivers/i2c/busses/i2c-cht-wc.c
> +++ b/drivers/i2c/busses/i2c-cht-wc.c
> @@ -314,10 +314,8 @@ static int cht_wc_i2c_adap_i2c_probe(struct platform_device *pdev)
> int ret, reg, irq;
>
> irq = platform_get_irq(pdev, 0);
> - if (irq < 0) {
> - dev_err(&pdev->dev, "Error missing irq resource\n");
> + if (irq < 0)
> return -EINVAL;
> - }
>
> adap = devm_kzalloc(&pdev->dev, sizeof(*adap), GFP_KERNEL);
> if (!adap)
> diff --git a/drivers/i2c/busses/i2c-img-scb.c b/drivers/i2c/busses/i2c-img-scb.c
> index 422097a31c95..2f6de763816a 100644
> --- a/drivers/i2c/busses/i2c-img-scb.c
> +++ b/drivers/i2c/busses/i2c-img-scb.c
> @@ -1344,10 +1344,8 @@ static int img_i2c_probe(struct platform_device *pdev)
> return PTR_ERR(i2c->base);
>
> irq = platform_get_irq(pdev, 0);
> - if (irq < 0) {
> - dev_err(&pdev->dev, "can't get irq number\n");
> + if (irq < 0)
> return irq;
> - }
>
> i2c->sys_clk = devm_clk_get(&pdev->dev, "sys");
> if (IS_ERR(i2c->sys_clk)) {
> diff --git a/drivers/i2c/busses/i2c-lpc2k.c b/drivers/i2c/busses/i2c-lpc2k.c
> index 13b0c12e2dba..43dc9b7043e4 100644
> --- a/drivers/i2c/busses/i2c-lpc2k.c
> +++ b/drivers/i2c/busses/i2c-lpc2k.c
> @@ -362,10 +362,8 @@ static int i2c_lpc2k_probe(struct platform_device *pdev)
> return PTR_ERR(i2c->base);
>
> i2c->irq = platform_get_irq(pdev, 0);
> - if (i2c->irq < 0) {
> - dev_err(&pdev->dev, "can't get interrupt resource\n");
> + if (i2c->irq < 0)
> return i2c->irq;
> - }
>
> init_waitqueue_head(&i2c->wait);
>
> diff --git a/drivers/i2c/busses/i2c-uniphier.c b/drivers/i2c/busses/i2c-uniphier.c
> index 668b1fa2b0ef..ee00a44bf4c7 100644
> --- a/drivers/i2c/busses/i2c-uniphier.c
> +++ b/drivers/i2c/busses/i2c-uniphier.c
> @@ -324,10 +324,8 @@ static int uniphier_i2c_probe(struct platform_device *pdev)
> return PTR_ERR(priv->membase);
>
> irq = platform_get_irq(pdev, 0);
> - if (irq < 0) {
> - dev_err(dev, "failed to get IRQ number\n");
> + if (irq < 0)
> return irq;
> - }
>
> if (of_property_read_u32(dev->of_node, "clock-frequency", &bus_speed))
> bus_speed = I2C_MAX_STANDARD_MODE_FREQ;
> --
> 2.17.1
>
--
Best Regards
Masahiro Yamada
^ permalink raw reply [flat|nested] 8+ messages in thread* Re: [PATCH] i2c: drivers: Remove superfluous error message
2020-05-04 11:44 ` [PATCH] i2c: drivers: Remove superfluous error message Aishwarya Ramakrishnan
2020-05-04 12:42 ` Andy Shevchenko
2020-05-04 14:30 ` Masahiro Yamada
@ 2020-05-05 14:13 ` Wolfram Sang
2 siblings, 0 replies; 8+ messages in thread
From: Wolfram Sang @ 2020-05-05 14:13 UTC (permalink / raw)
To: Aishwarya Ramakrishnan
Cc: Thor Thayer, Hans de Goede, Vladimir Zapolskiy, Masahiro Yamada,
Greg Kroah-Hartman, Pierre-Yves MORDRET, Gregory CLEMENT,
Baruch Siach, Dmitry Osipenko, Thomas Gleixner, Andy Shevchenko,
linux-i2c, linux-kernel, linux-arm-kernel
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On Mon, May 04, 2020 at 05:14:06PM +0530, Aishwarya Ramakrishnan wrote:
> The function platform_get_irq can log an error by itself.
> This omit a redundant message for exception handling in the
> calling function.
>
> Suggested by Coccinelle.
>
> Signed-off-by: Aishwarya Ramakrishnan <aishwaryarj100@gmail.com>
Sorry, I forgot that these are already fixed with
e42688ed5cf5936fb55c78cc365dbe0944af7c63 in i2c/for-next.
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^ permalink raw reply [flat|nested] 8+ messages in thread