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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>
156 lines
3.4 KiB
C
156 lines
3.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/* sun_uflash.c - Driver for user-programmable flash on
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* Sun Microsystems SME boardsets.
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*
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* This driver does NOT provide access to the OBP-flash for
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* safety reasons-- use <linux>/drivers/sbus/char/flash.c instead.
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*
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* Copyright (c) 2001 Eric Brower (ebrower@usa.net)
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/fs.h>
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#include <linux/errno.h>
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#include <linux/ioport.h>
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#include <linux/of.h>
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#include <linux/platform_device.h>
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#include <linux/slab.h>
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#include <asm/prom.h>
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#include <linux/uaccess.h>
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#include <asm/io.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/map.h>
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#define UFLASH_OBPNAME "flashprom"
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#define DRIVER_NAME "sun_uflash"
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#define PFX DRIVER_NAME ": "
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#define UFLASH_WINDOW_SIZE 0x200000
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#define UFLASH_BUSWIDTH 1 /* EBus is 8-bit */
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MODULE_AUTHOR("Eric Brower <ebrower@usa.net>");
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MODULE_DESCRIPTION("User-programmable flash device on Sun Microsystems boardsets");
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MODULE_LICENSE("GPL");
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MODULE_VERSION("2.1");
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struct uflash_dev {
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const char *name; /* device name */
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struct map_info map; /* mtd map info */
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struct mtd_info *mtd; /* mtd info */
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};
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struct map_info uflash_map_templ = {
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.name = "SUNW,???-????",
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.size = UFLASH_WINDOW_SIZE,
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.bankwidth = UFLASH_BUSWIDTH,
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};
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static int uflash_devinit(struct platform_device *op, struct device_node *dp)
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{
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struct uflash_dev *up;
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if (op->resource[1].flags) {
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/* Non-CFI userflash device-- once I find one we
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* can work on supporting it.
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*/
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printk(KERN_ERR PFX "Unsupported device at %pOF, 0x%llx\n",
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dp, (unsigned long long)op->resource[0].start);
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return -ENODEV;
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}
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up = kzalloc_obj(struct uflash_dev);
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if (!up)
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return -ENOMEM;
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/* copy defaults and tweak parameters */
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memcpy(&up->map, &uflash_map_templ, sizeof(uflash_map_templ));
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up->map.size = resource_size(&op->resource[0]);
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up->name = of_get_property(dp, "model", NULL);
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if (up->name && 0 < strlen(up->name))
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up->map.name = up->name;
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up->map.phys = op->resource[0].start;
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up->map.virt = of_ioremap(&op->resource[0], 0, up->map.size,
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DRIVER_NAME);
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if (!up->map.virt) {
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printk(KERN_ERR PFX "Failed to map device.\n");
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kfree(up);
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return -EINVAL;
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}
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simple_map_init(&up->map);
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/* MTD registration */
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up->mtd = do_map_probe("cfi_probe", &up->map);
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if (!up->mtd) {
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of_iounmap(&op->resource[0], up->map.virt, up->map.size);
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kfree(up);
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return -ENXIO;
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}
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up->mtd->owner = THIS_MODULE;
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mtd_device_register(up->mtd, NULL, 0);
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dev_set_drvdata(&op->dev, up);
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return 0;
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}
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static int uflash_probe(struct platform_device *op)
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{
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struct device_node *dp = op->dev.of_node;
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/* Flashprom must have the "user" property in order to
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* be used by this driver.
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*/
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if (!of_property_read_bool(dp, "user"))
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return -ENODEV;
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return uflash_devinit(op, dp);
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}
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static void uflash_remove(struct platform_device *op)
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{
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struct uflash_dev *up = dev_get_drvdata(&op->dev);
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if (up->mtd) {
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mtd_device_unregister(up->mtd);
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map_destroy(up->mtd);
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}
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if (up->map.virt) {
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of_iounmap(&op->resource[0], up->map.virt, up->map.size);
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up->map.virt = NULL;
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}
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kfree(up);
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}
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static const struct of_device_id uflash_match[] = {
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{
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.name = UFLASH_OBPNAME,
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},
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{},
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};
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MODULE_DEVICE_TABLE(of, uflash_match);
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static struct platform_driver uflash_driver = {
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.driver = {
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.name = DRIVER_NAME,
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.of_match_table = uflash_match,
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},
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.probe = uflash_probe,
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.remove = uflash_remove,
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};
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module_platform_driver(uflash_driver);
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