Use devm_platform_request_irq() to simplify code, and it contains platform_get_irq() and devm_request_irq(). I resend this patch by that discussion. https://patchwork.ozlabs.org/project/linux-i2c/patch/20200520144821.8069-1-zhengdejin5@xxxxxxxxx/ Cc: Michal Simek <michal.simek@xxxxxxxxxx> Cc: Wolfram Sang <wsa@xxxxxxxxxxxxx> Signed-off-by: Dejin Zheng <zhengdejin5@xxxxxxxxx> --- v1 -> v2: - The patch content has not changed. just resend it by this discussion: https://patchwork.ozlabs.org/project/linux-i2c/patch/20200520144821.8069-1-zhengdejin5@xxxxxxxxx/ drivers/i2c/busses/i2c-bcm-kona.c | 16 +++------------- drivers/i2c/busses/i2c-cadence.c | 10 +++------- drivers/i2c/busses/i2c-digicolor.c | 10 +++------- drivers/i2c/busses/i2c-emev2.c | 5 ++--- drivers/i2c/busses/i2c-jz4780.c | 5 ++--- drivers/i2c/busses/i2c-meson.c | 13 ++++--------- drivers/i2c/busses/i2c-mxs.c | 9 +++------ drivers/i2c/busses/i2c-pnx.c | 9 ++------- drivers/i2c/busses/i2c-rcar.c | 9 +++------ drivers/i2c/busses/i2c-rk3x.c | 14 +++----------- drivers/i2c/busses/i2c-sirf.c | 10 ++-------- drivers/i2c/busses/i2c-stu300.c | 4 ++-- drivers/i2c/busses/i2c-synquacer.c | 12 +++--------- 13 files changed, 35 insertions(+), 91 deletions(-) diff --git a/drivers/i2c/busses/i2c-bcm-kona.c b/drivers/i2c/busses/i2c-bcm-kona.c index ed5e1275ae46..f45acb47552a 100644 --- a/drivers/i2c/busses/i2c-bcm-kona.c +++ b/drivers/i2c/busses/i2c-bcm-kona.c @@ -818,20 +818,10 @@ static int bcm_kona_i2c_probe(struct platform_device *pdev) ISR_NOACK_MASK, dev->base + ISR_OFFSET); - /* Get the interrupt number */ - dev->irq = platform_get_irq(pdev, 0); - if (dev->irq < 0) { - rc = dev->irq; - goto probe_disable_clk; - } - - /* register the ISR handler */ - rc = devm_request_irq(&pdev->dev, dev->irq, bcm_kona_i2c_isr, - IRQF_SHARED, pdev->name, dev); - if (rc) { - dev_err(dev->device, "failed to request irq %i\n", dev->irq); + rc = devm_platform_request_irq(pdev, 0, &dev->irq, bcm_kona_i2c_isr, + IRQF_SHARED, pdev->name, dev); + if (rc) goto probe_disable_clk; - } /* Enable the controller but leave it idle */ bcm_kona_i2c_send_cmd_to_ctrl(dev, BCM_CMD_NOACTION); diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c index 4b72398af505..9ffae4d231dc 100644 --- a/drivers/i2c/busses/i2c-cadence.c +++ b/drivers/i2c/busses/i2c-cadence.c @@ -1204,8 +1204,6 @@ static int cdns_i2c_probe(struct platform_device *pdev) if (IS_ERR(id->membase)) return PTR_ERR(id->membase); - id->irq = platform_get_irq(pdev, 0); - id->adap.owner = THIS_MODULE; id->adap.dev.of_node = pdev->dev.of_node; id->adap.algo = &cdns_i2c_algo; @@ -1256,12 +1254,10 @@ static int cdns_i2c_probe(struct platform_device *pdev) goto err_clk_dis; } - ret = devm_request_irq(&pdev->dev, id->irq, cdns_i2c_isr, 0, - DRIVER_NAME, id); - if (ret) { - dev_err(&pdev->dev, "cannot get irq %d\n", id->irq); + ret = devm_platform_request_irq(pdev, 0, &id->irq, cdns_i2c_isr, 0, + DRIVER_NAME, id); + if (ret) goto err_clk_dis; - } /* * Cadence I2C controller has a bug wherein it generates diff --git a/drivers/i2c/busses/i2c-digicolor.c b/drivers/i2c/busses/i2c-digicolor.c index 332f00437479..9ea965f41396 100644 --- a/drivers/i2c/busses/i2c-digicolor.c +++ b/drivers/i2c/busses/i2c-digicolor.c @@ -290,7 +290,7 @@ static int dc_i2c_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct dc_i2c *i2c; - int ret = 0, irq; + int ret = 0; i2c = devm_kzalloc(&pdev->dev, sizeof(struct dc_i2c), GFP_KERNEL); if (!i2c) @@ -314,12 +314,8 @@ static int dc_i2c_probe(struct platform_device *pdev) if (IS_ERR(i2c->regs)) return PTR_ERR(i2c->regs); - irq = platform_get_irq(pdev, 0); - if (irq < 0) - return irq; - - ret = devm_request_irq(&pdev->dev, irq, dc_i2c_irq, 0, - dev_name(&pdev->dev), i2c); + ret = devm_platform_request_irq(pdev, 0, NULL, dc_i2c_irq, 0, + dev_name(&pdev->dev), i2c); if (ret < 0) return ret; diff --git a/drivers/i2c/busses/i2c-emev2.c b/drivers/i2c/busses/i2c-emev2.c index 1a319352e51b..cae00a9ec86f 100644 --- a/drivers/i2c/busses/i2c-emev2.c +++ b/drivers/i2c/busses/i2c-emev2.c @@ -395,9 +395,8 @@ static int em_i2c_probe(struct platform_device *pdev) em_i2c_reset(&priv->adap); - priv->irq = platform_get_irq(pdev, 0); - ret = devm_request_irq(&pdev->dev, priv->irq, em_i2c_irq_handler, 0, - "em_i2c", priv); + ret = devm_platform_request_irq(pdev, 0, &priv->irq, + em_i2c_irq_handler, 0, "em_i2c", priv); if (ret) goto err_clk; diff --git a/drivers/i2c/busses/i2c-jz4780.c b/drivers/i2c/busses/i2c-jz4780.c index ba831df6661e..27de0309f211 100644 --- a/drivers/i2c/busses/i2c-jz4780.c +++ b/drivers/i2c/busses/i2c-jz4780.c @@ -825,9 +825,8 @@ static int jz4780_i2c_probe(struct platform_device *pdev) jz4780_i2c_writew(i2c, JZ4780_I2C_INTM, 0x0); - i2c->irq = platform_get_irq(pdev, 0); - ret = devm_request_irq(&pdev->dev, i2c->irq, jz4780_i2c_irq, 0, - dev_name(&pdev->dev), i2c); + ret = devm_platform_request_irq(pdev, 0, &i2c->irq, jz4780_i2c_irq, 0, + dev_name(&pdev->dev), i2c); if (ret) goto err; diff --git a/drivers/i2c/busses/i2c-meson.c b/drivers/i2c/busses/i2c-meson.c index c5dec572fc48..2e5a855ff20a 100644 --- a/drivers/i2c/busses/i2c-meson.c +++ b/drivers/i2c/busses/i2c-meson.c @@ -398,7 +398,7 @@ static int meson_i2c_probe(struct platform_device *pdev) struct device_node *np = pdev->dev.of_node; struct meson_i2c *i2c; struct i2c_timings timings; - int irq, ret = 0; + int ret = 0; i2c = devm_kzalloc(&pdev->dev, sizeof(struct meson_i2c), GFP_KERNEL); if (!i2c) @@ -425,15 +425,10 @@ static int meson_i2c_probe(struct platform_device *pdev) if (IS_ERR(i2c->regs)) return PTR_ERR(i2c->regs); - irq = platform_get_irq(pdev, 0); - if (irq < 0) - return irq; - - ret = devm_request_irq(&pdev->dev, irq, meson_i2c_irq, 0, NULL, i2c); - if (ret < 0) { - dev_err(&pdev->dev, "can't request IRQ\n"); + ret = devm_platform_request_irq(pdev, 0, NULL, meson_i2c_irq, + 0, NULL, i2c); + if (ret < 0) return ret; - } ret = clk_prepare(i2c->clk); if (ret < 0) { diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c index 9587347447f0..cff82af3208a 100644 --- a/drivers/i2c/busses/i2c-mxs.c +++ b/drivers/i2c/busses/i2c-mxs.c @@ -802,7 +802,7 @@ static int mxs_i2c_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct mxs_i2c_dev *i2c; struct i2c_adapter *adap; - int err, irq; + int err; i2c = devm_kzalloc(dev, sizeof(*i2c), GFP_KERNEL); if (!i2c) @@ -817,11 +817,8 @@ static int mxs_i2c_probe(struct platform_device *pdev) if (IS_ERR(i2c->regs)) return PTR_ERR(i2c->regs); - irq = platform_get_irq(pdev, 0); - if (irq < 0) - return irq; - - err = devm_request_irq(dev, irq, mxs_i2c_isr, 0, dev_name(dev), i2c); + err = devm_platform_request_irq(pdev, 0, NULL, mxs_i2c_isr, 0, + dev_name(dev), i2c); if (err) return err; diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c index 5d7207c10f1d..3e249373375f 100644 --- a/drivers/i2c/busses/i2c-pnx.c +++ b/drivers/i2c/busses/i2c-pnx.c @@ -718,13 +718,8 @@ static int i2c_pnx_probe(struct platform_device *pdev) } init_completion(&alg_data->mif.complete); - alg_data->irq = platform_get_irq(pdev, 0); - if (alg_data->irq < 0) { - ret = alg_data->irq; - goto out_clock; - } - ret = devm_request_irq(&pdev->dev, alg_data->irq, i2c_pnx_interrupt, - 0, pdev->name, alg_data); + ret = devm_platform_request_irq(pdev, 0, &alg_data->irq, + i2c_pnx_interrupt, 0, pdev->name, alg_data); if (ret) goto out_clock; diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index a45c4bf1ec01..bd59a13de707 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -984,13 +984,10 @@ static int rcar_i2c_probe(struct platform_device *pdev) else pm_runtime_put(dev); - - priv->irq = platform_get_irq(pdev, 0); - ret = devm_request_irq(dev, priv->irq, rcar_i2c_irq, 0, dev_name(dev), priv); - if (ret < 0) { - dev_err(dev, "cannot get irq %d\n", priv->irq); + ret = devm_platform_request_irq(pdev, 0, &priv->irq, rcar_i2c_irq, 0, + dev_name(dev), priv); + if (ret < 0) goto out_pm_disable; - } platform_set_drvdata(pdev, priv); diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c index bc698240c4aa..a8d47689de0a 100644 --- a/drivers/i2c/busses/i2c-rk3x.c +++ b/drivers/i2c/busses/i2c-rk3x.c @@ -1196,7 +1196,6 @@ static int rk3x_i2c_probe(struct platform_device *pdev) int ret = 0; int bus_nr; u32 value; - int irq; unsigned long clk_rate; i2c = devm_kzalloc(&pdev->dev, sizeof(struct rk3x_i2c), GFP_KERNEL); @@ -1258,17 +1257,10 @@ static int rk3x_i2c_probe(struct platform_device *pdev) } } - /* IRQ setup */ - irq = platform_get_irq(pdev, 0); - if (irq < 0) - return irq; - - ret = devm_request_irq(&pdev->dev, irq, rk3x_i2c_irq, - 0, dev_name(&pdev->dev), i2c); - if (ret < 0) { - dev_err(&pdev->dev, "cannot request IRQ\n"); + ret = devm_platform_request_irq(pdev, 0, NULL, rk3x_i2c_irq, + 0, dev_name(&pdev->dev), i2c); + if (ret < 0) return ret; - } platform_set_drvdata(pdev, i2c); diff --git a/drivers/i2c/busses/i2c-sirf.c b/drivers/i2c/busses/i2c-sirf.c index d7f72ec331e8..a593c15bfbf5 100644 --- a/drivers/i2c/busses/i2c-sirf.c +++ b/drivers/i2c/busses/i2c-sirf.c @@ -274,7 +274,6 @@ static int i2c_sirfsoc_probe(struct platform_device *pdev) struct clk *clk; int bitrate; int ctrl_speed; - int irq; int err; u32 regval; @@ -314,13 +313,8 @@ static int i2c_sirfsoc_probe(struct platform_device *pdev) goto out; } - irq = platform_get_irq(pdev, 0); - if (irq < 0) { - err = irq; - goto out; - } - err = devm_request_irq(&pdev->dev, irq, i2c_sirfsoc_irq, 0, - dev_name(&pdev->dev), siic); + err = devm_platform_request_irq(pdev, 0, NULL, i2c_sirfsoc_irq, 0, + dev_name(&pdev->dev), siic); if (err) goto out; diff --git a/drivers/i2c/busses/i2c-stu300.c b/drivers/i2c/busses/i2c-stu300.c index 64d739baf480..7893c532b8f2 100644 --- a/drivers/i2c/busses/i2c-stu300.c +++ b/drivers/i2c/busses/i2c-stu300.c @@ -881,8 +881,8 @@ static int stu300_probe(struct platform_device *pdev) if (IS_ERR(dev->virtbase)) return PTR_ERR(dev->virtbase); - dev->irq = platform_get_irq(pdev, 0); - ret = devm_request_irq(&pdev->dev, dev->irq, stu300_irh, 0, NAME, dev); + ret = devm_platform_request_irq(pdev, 0, &dev->irq, stu300_irh, + 0, NAME, dev); if (ret < 0) return ret; diff --git a/drivers/i2c/busses/i2c-synquacer.c b/drivers/i2c/busses/i2c-synquacer.c index c9a3dba6a75d..d9143373e688 100644 --- a/drivers/i2c/busses/i2c-synquacer.c +++ b/drivers/i2c/busses/i2c-synquacer.c @@ -577,16 +577,10 @@ static int synquacer_i2c_probe(struct platform_device *pdev) if (IS_ERR(i2c->base)) return PTR_ERR(i2c->base); - i2c->irq = platform_get_irq(pdev, 0); - if (i2c->irq < 0) - return -ENODEV; - - ret = devm_request_irq(&pdev->dev, i2c->irq, synquacer_i2c_isr, - 0, dev_name(&pdev->dev), i2c); - if (ret < 0) { - dev_err(&pdev->dev, "cannot claim IRQ %d\n", i2c->irq); + ret = devm_platform_request_irq(pdev, 0, &i2c->irq, synquacer_i2c_isr, + 0, dev_name(&pdev->dev), i2c); + if (ret < 0) return ret; - } i2c->state = STATE_IDLE; i2c->dev = &pdev->dev; -- 2.25.0
