Re: [PATCH v2] i2c: designware: Suppress error message if platform_get_irq() < 0

From: christian . ruppert
Date: Mon Mar 09 2015 - 12:34:18 EST


Alexey Brodkin <Alexey.Brodkin@xxxxxxxxxxxx> wrote on 03/09/2015 10:03:12
AM:

> From: Alexey Brodkin <Alexey.Brodkin@xxxxxxxxxxxx>
> To: linux-i2c@xxxxxxxxxxxxxxx,
> Cc: linux-kernel@xxxxxxxxxxxxxxx, Alexey Brodkin
> <Alexey.Brodkin@xxxxxxxxxxxx>, Vineet Gupta
> <Vineet.Gupta1@xxxxxxxxxxxx>, Christian Ruppert
> <christian.ruppert@xxxxxxxxxx>, Mika Westerberg
> <mika.westerberg@xxxxxxxxxxxxxxx>, Wolfram Sang <wsa@xxxxxxxxxxxxx>,
> Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Date: 03/09/2015 10:03 AM
>
> As discussed here https://lkml.org/lkml/2015/3/3/568 and here
> https://lkml.org/lkml/2015/3/3/453 we're looking forward for
> implementing warnings and errors outputs right in platform_get_irq()
> instead of having all kind of different outputs in each and every driver
> that uses platform_get_irq().
>
> Signed-off-by: Alexey Brodkin <abrodkin@xxxxxxxxxxxx>
> Cc: Vineet Gupta <vgupta@xxxxxxxxxxxx>
> Cc: Christian Ruppert <christian.ruppert@xxxxxxxxxx>
Acked-by: Christian Ruppert <christian.ruppert@xxxxxxxxxxx>

Please note that my email address has changed and use the alitech one in
future. The abilis address might be switched off soon.

> Cc: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
> Cc: Wolfram Sang <wsa@xxxxxxxxxxxxx>
> Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
> drivers/i2c/busses/i2c-designware-platdrv.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/
> i2c/busses/i2c-designware-platdrv.c
> index c270f5f..fa4e2b5 100644
> --- a/drivers/i2c/busses/i2c-designware-platdrv.c
> +++ b/drivers/i2c/busses/i2c-designware-platdrv.c
> @@ -143,10 +143,8 @@ static int dw_i2c_probe(struct platform_device
*pdev)
> u32 clk_freq, ht = 0;
>
> irq = platform_get_irq(pdev, 0);
> - if (irq < 0) {
> - dev_err(&pdev->dev, "no irq resource?\n");
> - return irq; /* -ENXIO */
> - }
> + if (irq < 0)
> + return irq;
>
> dev = devm_kzalloc(&pdev->dev, sizeof(struct dw_i2c_dev),
GFP_KERNEL);
> if (!dev)
> --
> 2.1.0
>


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