Use devm_platform_request_irq() to simplify code, and it contains
platform_get_irq() and devm_request_irq().
Cc: Michal Simek <[email protected]>
Cc: Wolfram Sang <[email protected]>
Signed-off-by: Dejin Zheng <[email protected]>
Acked-by: Linus Walleij <[email protected]>
Acked-by: Michal Simek <[email protected]>
---
v3 -> v4:
- add Michal's Acked-by tag in the second patch. and Thanks
for Michal's help.
v2 -> v3:
- add Linus's Acked-by tag and Thanks linus's review.
v1 -> v2:
- The patch content has not changed. just resend it by this discussion:
https://patchwork.ozlabs.org/project/linux-i2c/patch/[email protected]/
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 a08554c1a570..1a605d7b56dc 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 8c4ec7f13f5a..950a01e9f778 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 8e3cc85d1921..1f0ac69c5774 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -1227,7 +1227,6 @@ 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);
@@ -1289,17 +1288,10 @@ 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 30db8fafe078..50fea7c77bd8 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
Am Freitag, 17. Juli 2020, 18:11:58 CEST schrieb Dejin Zheng:
> Use devm_platform_request_irq() to simplify code, and it contains
> platform_get_irq() and devm_request_irq().
>
> Cc: Michal Simek <[email protected]>
> Cc: Wolfram Sang <[email protected]>
> Signed-off-by: Dejin Zheng <[email protected]>
> Acked-by: Linus Walleij <[email protected]>
> Acked-by: Michal Simek <[email protected]>
Rockchip part (i2c-rk3x):
Reviewed-by: Heiko Stuebner <[email protected]>
> diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
> index 8e3cc85d1921..1f0ac69c5774 100644
> --- a/drivers/i2c/busses/i2c-rk3x.c
> +++ b/drivers/i2c/busses/i2c-rk3x.c
> @@ -1227,7 +1227,6 @@ 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);
> @@ -1289,17 +1288,10 @@ 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);
>
On Fri, Jul 17, 2020 at 09:11:52PM +0200, Heiko Stübner wrote:
> Am Freitag, 17. Juli 2020, 18:11:58 CEST schrieb Dejin Zheng:
> > Use devm_platform_request_irq() to simplify code, and it contains
> > platform_get_irq() and devm_request_irq().
> >
> > Cc: Michal Simek <[email protected]>
> > Cc: Wolfram Sang <[email protected]>
> > Signed-off-by: Dejin Zheng <[email protected]>
> > Acked-by: Linus Walleij <[email protected]>
> > Acked-by: Michal Simek <[email protected]>
>
>
> Rockchip part (i2c-rk3x):
> Reviewed-by: Heiko Stuebner <[email protected]>
>
Heiko, Thanks a lot.
BR,
Dejin
> > diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
> > index 8e3cc85d1921..1f0ac69c5774 100644
> > --- a/drivers/i2c/busses/i2c-rk3x.c
> > +++ b/drivers/i2c/busses/i2c-rk3x.c
> > @@ -1227,7 +1227,6 @@ 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);
> > @@ -1289,17 +1288,10 @@ 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);
> >
>
>
>
>