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staging: axis-fifo: remove unneeded irq field from struct axis_fifo

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The irq number returned by platform_get_irq() is stored in struct axis_fifo
during probe but it is never used afterwards. Drop the redundant irq field
and use a local variable instead.

Signed-off-by: Ovidiu Panait <ovidiu.panait.oss@gmail.com>
Link: https://lore.kernel.org/r/20250919195400.3180039-3-ovidiu.panait.oss@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ovidiu Panait
2025-09-19 22:53:57 +03:00
committed by Greg Kroah-Hartman
parent 60d042a787
commit b10f6768d5
1 changed files with 6 additions and 7 deletions
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13
drivers/staging/axis-fifo/axis-fifo.c
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@@ -117,7 +117,6 @@ MODULE_PARM_DESC(write_timeout, "ms to wait before blocking write() timing out;
struct axis_fifo {
int id;
int irq; /* interrupt */
void __iomem *base_addr; /* kernel space memory */
unsigned int rx_fifo_depth; /* max words in the receive fifo */
@@ -581,6 +580,7 @@ static int axis_fifo_probe(struct platform_device *pdev)
struct axis_fifo *fifo = NULL;
char *device_name;
int rc = 0; /* error return value */
int irq;
/* ----------------------------
* init wrapper device
@@ -634,17 +634,16 @@ static int axis_fifo_probe(struct platform_device *pdev)
*/
/* get IRQ resource */
rc = platform_get_irq(pdev, 0);
if (rc < 0)
return rc;
irq = platform_get_irq(pdev, 0);
if (irq < 0)
return irq;
/* request IRQ */
fifo->irq = rc;
rc = devm_request_irq(fifo->dt_device, fifo->irq, &axis_fifo_irq, 0,
rc = devm_request_irq(fifo->dt_device, irq, &axis_fifo_irq, 0,
DRIVER_NAME, fifo);
if (rc) {
dev_err(fifo->dt_device, "couldn't allocate interrupt %i\n",
fifo->irq);
irq);
return rc;
}