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Message-ID: <c5575cbe-e0a4-fae6-65e1-6bb4b3b6f5d4@microchip.com>
Date: Thu, 9 Jun 2022 15:15:34 +0000
From: <Conor.Dooley@...rochip.com>
To: <broonie@...nel.org>, <yang.lee@...ux.alibaba.com>
CC: <Conor.Dooley@...rochip.com>, <Lewis.Hanly@...rochip.com>,
<linux-riscv@...ts.infradead.org>, <linux-spi@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <abaci@...ux.alibaba.com>
Subject: Re: [PATCH -next 1/2] spi: Remove unnecessary print function
dev_err()
On 09/06/2022 11:55, Mark Brown wrote:
> On Thu, Jun 09, 2022 at 01:55:33PM +0800, Yang Li wrote:
>> The function platform_get_irq() never returns 0, and the print function
>> dev_err() is redundant because platform_get_irq() already prints an error.
>
> Are you sure it never returns 0? Note that 0 is a valid IRQ number on
> some architectures.
If anything, I think I need to go in the other direction and make sure
that in my i2c and pwm drivers I also check for zero - it's an FPGA
after all.
Thanks,
Conor.
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