diff options
Diffstat (limited to 'drivers/memory/fsl-corenet-cf.c')
| -rw-r--r-- | drivers/memory/fsl-corenet-cf.c | 40 |
1 files changed, 8 insertions, 32 deletions
diff --git a/drivers/memory/fsl-corenet-cf.c b/drivers/memory/fsl-corenet-cf.c index 662d050243be..ecd6c1955153 100644 --- a/drivers/memory/fsl-corenet-cf.c +++ b/drivers/memory/fsl-corenet-cf.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * CoreNet Coherency Fabric error reporting * * Copyright 2014 Freescale Semiconductor Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/interrupt.h> @@ -14,10 +10,8 @@ #include <linux/irq.h> #include <linux/module.h> #include <linux/of.h> -#include <linux/of_address.h> -#include <linux/of_device.h> -#include <linux/of_irq.h> #include <linux/platform_device.h> +#include <linux/property.h> enum ccf_version { CCF1, @@ -176,33 +170,19 @@ out: static int ccf_probe(struct platform_device *pdev) { struct ccf_private *ccf; - struct resource *r; - const struct of_device_id *match; u32 errinten; int ret, irq; - match = of_match_device(ccf_matches, &pdev->dev); - if (WARN_ON(!match)) - return -ENODEV; - ccf = devm_kzalloc(&pdev->dev, sizeof(*ccf), GFP_KERNEL); if (!ccf) return -ENOMEM; - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!r) { - dev_err(&pdev->dev, "%s: no mem resource\n", __func__); - return -ENXIO; - } - - ccf->regs = devm_ioremap_resource(&pdev->dev, r); - if (IS_ERR(ccf->regs)) { - dev_err(&pdev->dev, "%s: can't map mem resource\n", __func__); + ccf->regs = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(ccf->regs)) return PTR_ERR(ccf->regs); - } ccf->dev = &pdev->dev; - ccf->info = match->data; + ccf->info = device_get_match_data(&pdev->dev); ccf->err_regs = ccf->regs + ccf->info->err_reg_offs; if (ccf->info->has_brr) { @@ -215,10 +195,8 @@ static int ccf_probe(struct platform_device *pdev) dev_set_drvdata(&pdev->dev, ccf); irq = platform_get_irq(pdev, 0); - if (!irq) { - dev_err(&pdev->dev, "%s: no irq\n", __func__); - return -ENXIO; - } + if (irq < 0) + return irq; ret = devm_request_irq(&pdev->dev, irq, ccf_irq, 0, pdev->name, ccf); if (ret) { @@ -245,7 +223,7 @@ static int ccf_probe(struct platform_device *pdev) return 0; } -static int ccf_remove(struct platform_device *pdev) +static void ccf_remove(struct platform_device *pdev) { struct ccf_private *ccf = dev_get_drvdata(&pdev->dev); @@ -263,8 +241,6 @@ static int ccf_remove(struct platform_device *pdev) iowrite32be(0, &ccf->err_regs->errinten); break; } - - return 0; } static struct platform_driver ccf_driver = { |