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net: sfp: Unique GPIO interrupt names 

Dynamically generate a unique GPIO interrupt name, based on the
device name and the GPIO name.  For example:

103:          0   sx1503q  12 Edge      sff2-los
104:          0   sx1503q  13 Edge      sff2-tx-fault

The sffX indicates the SFP the los and tx-fault are associated with.

v3:
- reverse Christmas tree new variable
- fix spaces vs tabs
v2:
- added net-next to PATCH part of subject line
- switched to devm_kasprintf()

Signed-off-by: Chris Healy <cphealy@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Chris Healy 2020-07-06 18:27:07 -07:00 committed by David S. Miller
parent 14f5d8e3bb
commit 5411ca7178
1 changed files with 6 additions and 1 deletions
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7
drivers/net/phy/sfp.c
View File

@ -2238,6 +2238,7 @@ static int sfp_probe(struct platform_device *pdev)
{
const struct sff_data *sff;
struct i2c_adapter *i2c;
char *sfp_irq_name;
struct sfp *sfp;
int err, i;
@ -2349,12 +2350,16 @@ static int sfp_probe(struct platform_device *pdev)
continue;
}
sfp_irq_name = devm_kasprintf(sfp->dev, GFP_KERNEL,
"%s-%s", dev_name(sfp->dev),
gpio_of_names[i]);
err = devm_request_threaded_irq(sfp->dev, sfp->gpio_irq[i],
NULL, sfp_irq,
IRQF_ONESHOT |
IRQF_TRIGGER_RISING |
IRQF_TRIGGER_FALLING,
dev_name(sfp->dev), sfp);
sfp_irq_name, sfp);
if (err) {
sfp->gpio_irq[i] = 0;
sfp->need_poll = true;