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bf4afc53b7
This was done entirely with mindless brute force, using
git grep -l '\<k[vmz]*alloc_objs*(.*, GFP_KERNEL)' |
xargs sed -i 's/\(alloc_objs*(.*\), GFP_KERNEL)/\1)/'
to convert the new alloc_obj() users that had a simple GFP_KERNEL
argument to just drop that argument.
Note that due to the extreme simplicity of the scripting, any slightly
more complex cases spread over multiple lines would not be triggered:
they definitely exist, but this covers the vast bulk of the cases, and
the resulting diff is also then easier to check automatically.
For the same reason the 'flex' versions will be done as a separate
conversion.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
140 lines
3.3 KiB
C
140 lines
3.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Map driver for Intel XScale PXA2xx platforms.
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*
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* Author: Nicolas Pitre
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* Copyright: (C) 2001 MontaVista Software Inc.
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*/
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/slab.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/map.h>
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#include <linux/mtd/partitions.h>
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#include <asm/io.h>
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#include <asm/mach/flash.h>
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#define CACHELINESIZE 32
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static void pxa2xx_map_inval_cache(struct map_info *map, unsigned long from,
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ssize_t len)
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{
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unsigned long start = (unsigned long)map->cached + from;
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unsigned long end = start + len;
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start &= ~(CACHELINESIZE - 1);
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while (start < end) {
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/* invalidate D cache line */
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asm volatile ("mcr p15, 0, %0, c7, c6, 1" : : "r" (start));
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start += CACHELINESIZE;
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}
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}
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struct pxa2xx_flash_info {
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struct mtd_info *mtd;
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struct map_info map;
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};
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static const char * const probes[] = { "RedBoot", "cmdlinepart", NULL };
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static int pxa2xx_flash_probe(struct platform_device *pdev)
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{
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struct flash_platform_data *flash = dev_get_platdata(&pdev->dev);
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struct pxa2xx_flash_info *info;
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struct resource *res;
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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if (!res)
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return -ENODEV;
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info = kzalloc_obj(struct pxa2xx_flash_info);
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if (!info)
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return -ENOMEM;
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info->map.name = flash->name;
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info->map.bankwidth = flash->width;
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info->map.phys = res->start;
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info->map.size = resource_size(res);
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info->map.virt = ioremap(info->map.phys, info->map.size);
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if (!info->map.virt) {
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printk(KERN_WARNING "Failed to ioremap %s\n",
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info->map.name);
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kfree(info);
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return -ENOMEM;
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}
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info->map.cached = ioremap_cache(info->map.phys, info->map.size);
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if (!info->map.cached)
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printk(KERN_WARNING "Failed to ioremap cached %s\n",
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info->map.name);
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info->map.inval_cache = pxa2xx_map_inval_cache;
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simple_map_init(&info->map);
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printk(KERN_NOTICE
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"Probing %s at physical address 0x%08lx"
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" (%d-bit bankwidth)\n",
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info->map.name, (unsigned long)info->map.phys,
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info->map.bankwidth * 8);
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info->mtd = do_map_probe(flash->map_name, &info->map);
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if (!info->mtd) {
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iounmap((void *)info->map.virt);
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if (info->map.cached)
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iounmap(info->map.cached);
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kfree(info);
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return -EIO;
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}
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info->mtd->dev.parent = &pdev->dev;
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mtd_device_parse_register(info->mtd, probes, NULL, flash->parts,
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flash->nr_parts);
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platform_set_drvdata(pdev, info);
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return 0;
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}
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static void pxa2xx_flash_remove(struct platform_device *dev)
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{
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struct pxa2xx_flash_info *info = platform_get_drvdata(dev);
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mtd_device_unregister(info->mtd);
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map_destroy(info->mtd);
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iounmap(info->map.virt);
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if (info->map.cached)
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iounmap(info->map.cached);
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kfree(info);
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}
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#ifdef CONFIG_PM
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static void pxa2xx_flash_shutdown(struct platform_device *dev)
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{
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struct pxa2xx_flash_info *info = platform_get_drvdata(dev);
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if (info && mtd_suspend(info->mtd) == 0)
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mtd_resume(info->mtd);
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}
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#else
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#define pxa2xx_flash_shutdown NULL
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#endif
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static struct platform_driver pxa2xx_flash_driver = {
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.driver = {
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.name = "pxa2xx-flash",
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},
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.probe = pxa2xx_flash_probe,
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.remove = pxa2xx_flash_remove,
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.shutdown = pxa2xx_flash_shutdown,
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};
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module_platform_driver(pxa2xx_flash_driver);
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MODULE_LICENSE("GPL");
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MODULE_AUTHOR("Nicolas Pitre <nico@fluxnic.net>");
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MODULE_DESCRIPTION("MTD map driver for Intel XScale PXA2xx");
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