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UPSTREAM: i2c: qcom-geni: Use IRQF_NO_AUTOEN flag in request_irq()

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disable_irq() after request_irq() still has a time gap in which
interrupts can come. request_irq() with IRQF_NO_AUTOEN flag will
disable IRQ auto-enable when request IRQ.

Fixes: 37692de5d5 ("i2c: i2c-qcom-geni: Add bus driver for the Qualcomm GENI I2C controller")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Cc: <stable@vger.kernel.org> # v4.19+
Acked-by: Mukesh Kumar Savaliya <quic_msavaliy@quicinc.com>
Reviewed-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>

Bug: 370629635
Change-Id: Ifeed53c2672c0b934dfbcd19f4aba3512a20d14f
(cherry picked from commit e2c85d85a05f16af2223fcc0195ff50a7938b372)
Signed-off-by: Praveen Talari <quic_ptalari@quicinc.com>
This commit is contained in:
Jinjie Ruan
2024-09-12 11:34:59 +08:00
committed by John Stultz
parent c24feb930a
commit a6266110c1
1 changed files with 1 additions and 3 deletions
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4
drivers/i2c/busses/i2c-qcom-geni.c
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@@ -817,15 +817,13 @@ static int geni_i2c_probe(struct platform_device *pdev)
init_completion(&gi2c->done);
spin_lock_init(&gi2c->lock);
platform_set_drvdata(pdev, gi2c);
ret = devm_request_irq(dev, gi2c->irq, geni_i2c_irq, 0,
ret = devm_request_irq(dev, gi2c->irq, geni_i2c_irq, IRQF_NO_AUTOEN,
dev_name(dev), gi2c);
if (ret) {
dev_err(dev, "Request_irq failed:%d: err:%d\n",
gi2c->irq, ret);
return ret;
}
/* Disable the interrupt so that the system can enter low-power mode */
disable_irq(gi2c->irq);
i2c_set_adapdata(&gi2c->adap, gi2c);
gi2c->adap.dev.parent = dev;
gi2c->adap.dev.of_node = dev->of_node;