linux-kernel - Re: [PATCH] iio: bmp280: fix eoc interrupt usage

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Message-ID: <ZS/+vjVRNucewoQs@smile.fi.intel.com>
Date:   Wed, 18 Oct 2023 18:50:22 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andreas Klinger <ak@...klinger.de>
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Angel Iglesias <ang.iglesiasg@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Sergei Korolev <dssoftsk@...il.com>, linux-iio@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iio: bmp280: fix eoc interrupt usage

On Wed, Oct 18, 2023 at 05:28:16PM +0200, Andreas Klinger wrote:
> Only the bmp085 can have an End-Of-Conversion (EOC) interrupt. But the
> bmp085 and bmp180 share the same chip id. Therefore it's necessary to
> distinguish the case in which the interrupt is set.
> 
> Fix the if statement so that only when the interrupt is set and the chip
> id is recognized the interrupt is requested.
> 
> This bug exists since the support of EOC interrupt was introduced.
> Fixes: aae953949651 ("iio: pressure: bmp280: add support for BMP085 EOC interrupt")
> 
> Also add a link to bmp085 datasheet for reference.

...

> -	if (irq > 0 || (chip_id  == BMP180_CHIP_ID)) {
> +	if (irq > 0 && (chip_id  == BMP180_CHIP_ID)) {

While at it, perhaps drop extra space?

-- 
With Best Regards,
Andy Shevchenko