staging: axis-fifo: remove unused pointer to memory resource

Remove unused resource pointer from the device's internal structure.

Signed-off-by: Quentin Deslandes <quentin.deslandes@itdev.co.uk>
Link: https://lore.kernel.org/r/20191101214232.16960-4-quentin.deslandes@itdev.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/axis-fifo/axis-fifo.c b/drivers/staging/axis-fifo/axis-fifo.c
index 2e6e2f149a26441a96eeaba9e14a6b22346b498e..39e6c59df1e968192d2dc247e64325282a26730d 100644 (file)
--- a/drivers/staging/axis-fifo/axis-fifo.c
+++ b/drivers/staging/axis-fifo/axis-fifo.c
@@ -125,7 +125,6 @@ MODULE_PARM_DESC(write_timeout, "ms to wait before blocking write() timing out;
 
 struct axis_fifo {
        int irq; /* interrupt */
-       struct resource *mem; /* physical memory */
        void __iomem *base_addr; /* kernel space memory */
 
        unsigned int rx_fifo_depth; /* max words in the receive fifo */
@@ -806,10 +805,8 @@ static int axis_fifo_probe(struct platform_device *pdev)
                goto err_initial;
        }
 
-       fifo->mem = r_mem;
-
        /* request physical memory */
-       fifo->base_addr = devm_ioremap_resource(fifo->dt_device, fifo->mem);
+       fifo->base_addr = devm_ioremap_resource(fifo->dt_device, r_mem);
        if (IS_ERR(fifo->base_addr)) {
                rc = PTR_ERR(fifo->base_addr);
                dev_err(fifo->dt_device, "can't remap IO resource (%d)\n", rc);
@@ -820,7 +817,7 @@ static int axis_fifo_probe(struct platform_device *pdev)
 
        /* create unique device name */
        snprintf(device_name, sizeof(device_name), "%s_%pa",
-                DRIVER_NAME, &fifo->mem->start);
+                DRIVER_NAME, &r_mem->start);
 
        dev_dbg(fifo->dt_device, "device name [%s]\n", device_name);
 
@@ -844,7 +841,7 @@ static int axis_fifo_probe(struct platform_device *pdev)
        r_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
        if (!r_irq) {
                dev_err(fifo->dt_device, "no IRQ found for 0x%pa\n",
-                       &fifo->mem->start);
+                       &r_mem->start);
                rc = -EIO;
                goto err_initial;
        }
@@ -898,7 +895,7 @@ static int axis_fifo_probe(struct platform_device *pdev)
        }
 
        dev_info(fifo->dt_device, "axis-fifo created at %pa mapped to 0x%pa, irq=%i, major=%i, minor=%i\n",
-                &fifo->mem->start, &fifo->base_addr, fifo->irq,
+                &r_mem->start, &fifo->base_addr, fifo->irq,
                 MAJOR(fifo->devt), MINOR(fifo->devt));
 
        return 0;