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[35.204.239.8]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ac3ef86e44dsm559686666b.31.2025.03.23.15.39.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 23 Mar 2025 15:39:33 -0700 (PDT) From: =?utf-8?q?Andr=C3=A9_Draszik?= Date: Sun, 23 Mar 2025 22:39:34 +0000 Subject: [PATCH 18/34] mfd: sec: s2dos05: doesn't support interrupts (it seems) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250323-s2mpg10-v1-18-d08943702707@linaro.org> References: <20250323-s2mpg10-v1-0-d08943702707@linaro.org> In-Reply-To: <20250323-s2mpg10-v1-0-d08943702707@linaro.org> To: Krzysztof Kozlowski , Lee Jones , Rob Herring , Conor Dooley , Sylwester Nawrocki , Chanwoo Choi , Alim Akhtar , Michael Turquette , Stephen Boyd , Russell King , Catalin Marinas , Will Deacon , Alexandre Belloni Cc: Peter Griffin , Tudor Ambarus , Will McVicker , kernel-team@android.com, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rtc@vger.kernel.org, =?utf-8?q?Andr=C3=A9_Draszik?= X-Mailer: b4 0.14.2 The commit bf231e5febcf ("mfd: sec-core: Add support for the Samsung s2dos05") adding s2dos05 support didn't add anything related to IRQ support, so I assume this works without IRQs. Rather than printing a warning message in sec_irq_init() due to the missing IRQ number, or returning an error due to a missing irq chip regmap, just return early explicitly. This will become particularly important once errors from sec_irq_init() aren't ignored anymore in an upcoming patch and helps the reader of this code while reasoning about what the intention might be here. Signed-off-by: Andr=C3=A9 Draszik Reviewed-by: Krzysztof Kozlowski --- drivers/mfd/sec-irq.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/mfd/sec-irq.c b/drivers/mfd/sec-irq.c index d05c8b66c35f2a1356d7c641484404628870ed42..dc5560a0c496917e847a40295c5= 3e3f762b60998 100644 --- a/drivers/mfd/sec-irq.c +++ b/drivers/mfd/sec-irq.c @@ -453,16 +453,12 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic) int type =3D sec_pmic->device_type; const struct regmap_irq_chip *sec_irq_chip; =20 - if (!sec_pmic->irq) { - dev_warn(sec_pmic->dev, - "No interrupt specified, no interrupts\n"); - return 0; - } - switch (type) { case S5M8767X: sec_irq_chip =3D &s5m8767_irq_chip; break; + case S2DOS05: + return 0; case S2MPA01: sec_irq_chip =3D &s2mps14_irq_chip; break; @@ -493,6 +489,12 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic) sec_pmic->device_type); } =20 + if (!sec_pmic->irq) { + dev_warn(sec_pmic->dev, + "No interrupt specified, no interrupts\n"); + return 0; + } + ret =3D devm_regmap_add_irq_chip(sec_pmic->dev, sec_pmic->regmap_pmic, sec_pmic->irq, IRQF_ONESHOT, 0, sec_irq_chip, &sec_pmic->irq_data); --=20 2.49.0.395.g12beb8f557-goog