From: Krzysztof Kozlowski <krzk@kernel.org>
To: Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Lee Jones <lee.jones@linaro.org>,
Chanwoo Choi <cw00.choi@samsung.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Marek Szyprowski <m.szyprowski@samsung.com>,
Sylwester Nawrocki <snawrocki@kernel.org>
Subject: [PATCH 9/9] mfd: sec-irq: Do not enforce (incorrect) interrupt trigger type
Date: Thu, 10 Dec 2020 22:29:03 +0100 [thread overview]
Message-ID: <20201210212903.216728-9-krzk@kernel.org> (raw)
In-Reply-To: <20201210212903.216728-1-krzk@kernel.org>
Interrupt line can be configured on different hardware in different way,
even inverted. Therefore driver should not enforce specific trigger
type - edge falling - but instead rely on Devicetree to configure it.
The Samsung PMIC drivers are used only on Devicetree boards.
Additionally, the PMIC datasheets describe the interrupt line as active
low with a requirement of acknowledge from the CPU therefore the edge
falling is not correct.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
This patch should wait till DTS changes are merged, as it relies on
proper Devicetree.
---
drivers/mfd/sec-irq.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/mfd/sec-irq.c b/drivers/mfd/sec-irq.c
index a98c5d165039..760f88a865ab 100644
--- a/drivers/mfd/sec-irq.c
+++ b/drivers/mfd/sec-irq.c
@@ -480,8 +480,7 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
}
ret = devm_regmap_add_irq_chip(sec_pmic->dev, sec_pmic->regmap_pmic,
- sec_pmic->irq,
- IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ sec_pmic->irq, IRQF_ONESHOT,
sec_pmic->irq_base, sec_irq_chip,
&sec_pmic->irq_data);
if (ret != 0) {
--
2.25.1
next prev parent reply other threads:[~2020-12-10 21:33 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20201210212917eucas1p2d0bc9a3099abfc2d2c223facc86be03e@eucas1p2.samsung.com>
2020-12-10 21:28 ` [PATCH 1/9] ARM: dts: exynos: correct PMIC interrupt trigger level on Artik 5 Krzysztof Kozlowski
2020-12-10 21:28 ` [PATCH 2/9] ARM: dts: exynos: correct PMIC interrupt trigger level on Monk Krzysztof Kozlowski
2020-12-10 21:28 ` [PATCH 3/9] ARM: dts: exynos: correct PMIC interrupt trigger level on Rinato Krzysztof Kozlowski
2020-12-11 15:49 ` Marek Szyprowski
2020-12-10 21:28 ` [PATCH 4/9] ARM: dts: exynos: correct PMIC interrupt trigger level on Spring Krzysztof Kozlowski
2020-12-10 21:28 ` [PATCH 5/9] ARM: dts: exynos: correct PMIC interrupt trigger level on Arndale Octa Krzysztof Kozlowski
2020-12-11 15:51 ` Marek Szyprowski
2020-12-10 21:29 ` [PATCH 6/9] ARM: dts: exynos: correct PMIC interrupt trigger level on Odroid XU3 family Krzysztof Kozlowski
2020-12-11 15:49 ` Marek Szyprowski
2020-12-10 21:29 ` [PATCH 7/9] arm64: dts: exynos: correct PMIC interrupt trigger level on TM2 Krzysztof Kozlowski
2020-12-18 12:46 ` Marek Szyprowski
2020-12-10 21:29 ` [PATCH 8/9] arm64: dts: exynos: correct PMIC interrupt trigger level on Espresso Krzysztof Kozlowski
2020-12-10 21:29 ` Krzysztof Kozlowski [this message]
2020-12-18 13:25 ` [PATCH 9/9] mfd: sec-irq: Do not enforce (incorrect) interrupt trigger type Marek Szyprowski
2020-12-18 14:22 ` Krzysztof Kozlowski
2020-12-21 7:36 ` Marek Szyprowski
2020-12-21 7:55 ` Krzysztof Kozlowski
2020-12-21 8:25 ` Marek Szyprowski
2020-12-11 15:49 ` [PATCH 1/9] ARM: dts: exynos: correct PMIC interrupt trigger level on Artik 5 Marek Szyprowski
2020-12-29 15:59 ` Krzysztof Kozlowski
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