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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>
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1 changed files with 4 additions and 7 deletions
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@ -125,7 +125,6 @@ MODULE_PARM_DESC(write_timeout, "ms to wait before blocking write() timing out;
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struct axis_fifo {
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int irq; /* interrupt */
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struct resource *mem; /* physical memory */
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void __iomem *base_addr; /* kernel space memory */
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unsigned int rx_fifo_depth; /* max words in the receive fifo */
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@ -806,10 +805,8 @@ static int axis_fifo_probe(struct platform_device *pdev)
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goto err_initial;
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}
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fifo->mem = r_mem;
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/* request physical memory */
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fifo->base_addr = devm_ioremap_resource(fifo->dt_device, fifo->mem);
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fifo->base_addr = devm_ioremap_resource(fifo->dt_device, r_mem);
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if (IS_ERR(fifo->base_addr)) {
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rc = PTR_ERR(fifo->base_addr);
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dev_err(fifo->dt_device, "can't remap IO resource (%d)\n", rc);
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@ -820,7 +817,7 @@ static int axis_fifo_probe(struct platform_device *pdev)
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/* create unique device name */
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snprintf(device_name, sizeof(device_name), "%s_%pa",
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DRIVER_NAME, &fifo->mem->start);
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DRIVER_NAME, &r_mem->start);
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dev_dbg(fifo->dt_device, "device name [%s]\n", device_name);
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@ -844,7 +841,7 @@ static int axis_fifo_probe(struct platform_device *pdev)
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r_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
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if (!r_irq) {
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dev_err(fifo->dt_device, "no IRQ found for 0x%pa\n",
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&fifo->mem->start);
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&r_mem->start);
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rc = -EIO;
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goto err_initial;
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}
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@ -898,7 +895,7 @@ static int axis_fifo_probe(struct platform_device *pdev)
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}
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dev_info(fifo->dt_device, "axis-fifo created at %pa mapped to 0x%pa, irq=%i, major=%i, minor=%i\n",
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&fifo->mem->start, &fifo->base_addr, fifo->irq,
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&r_mem->start, &fifo->base_addr, fifo->irq,
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MAJOR(fifo->devt), MINOR(fifo->devt));
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return 0;
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