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([2a05:6e02:1041:c10:1ca0:c789:48cd:e2f9]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-45cb5693921sm91433315e9.0.2025.09.04.09.52.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 04 Sep 2025 09:52:54 -0700 (PDT) Message-ID: <9d4e7851-a874-413b-974c-d499ed59f553@linaro.org> Date: Thu, 4 Sep 2025 18:52:53 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 2/2] iio: adc: Add the NXP SAR ADC support for the s32g2/3 platforms To: Andy Shevchenko Cc: jic23@kernel.org, dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, robh@kernel.org, conor+dt@kernel.org, krzk+dt@kernel.org, linux-iio@vger.kernel.org, s32@nxp.com, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, chester62515@gmail.com, mbrugger@suse.com, ghennadi.procopciuc@oss.nxp.com References: <20250903102756.1748596-1-daniel.lezcano@linaro.org> <20250903102756.1748596-3-daniel.lezcano@linaro.org> Content-Language: en-US From: Daniel Lezcano In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 04/09/2025 09:33, Andy Shevchenko wrote: > On Wed, Sep 03, 2025 at 05:28:09PM +0200, Daniel Lezcano wrote: >> On 03/09/2025 13:48, Andy Shevchenko wrote: >>> On Wed, Sep 03, 2025 at 12:27:56PM +0200, Daniel Lezcano wrote: [ ... ] >>>> + ret = read_poll_timeout(readl, msr, !(msr & REG_ADC_MSR_CALBUSY), >>> >>> Why not readl_poll_timeout()? >>> >>>> + NXP_SAR_ADC_WAIT_US, >>>> + NXP_SAR_ADC_CAL_TIMEOUT_US, >>>> + true, REG_ADC_MSR(base)); >>>> + if (ret) >>>> + return ret; >>> >>>> + if (!(msr & REG_ADC_MSR_CALFAIL)) >>>> + return 0; >>> >>> I would expect standard pattern — "errors first", but here either works. >> >> Does it mean this chunk of code can be preserved or do you prefer an error >> block followed with a return 0 ? > > Up to you. Only the question above (readl_poll_timeout() use) stays unanswered > so far. It is a typo, it should be readl_poll_timeout() as you suggested [ ... ] Thanks -- Daniel -- Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog