From: Finn Thain <fthain@telegraphics.com.au>
To: <linux-kernel@vger.kernel.org>, <linux-m68k@vger.kernel.org>,
<linuxppc-dev@lists.ozlabs.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Subject: [RFC v2 01/24] macintosh/nvram: Remove as unused
Date: Sun, 14 Jun 2015 17:46:08 +1000 [thread overview]
Message-ID: <20150614074607.524658883@telegraphics.com.au> (raw)
In-Reply-To: 20150614074607.242676098@telegraphics.com.au
[-- Attachment #1: macintosh-nvram-remove --]
[-- Type: text/plain, Size: 3164 bytes --]
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
drivers/macintosh/nvram.c | 130 ----------------------------------------------
1 file changed, 130 deletions(-)
Index: linux/drivers/macintosh/nvram.c
===================================================================
--- linux.orig/drivers/macintosh/nvram.c 2015-06-14 17:45:34.000000000 +1000
+++ /dev/null 1970-01-01 00:00:00.000000000 +0000
@@ -1,130 +0,0 @@
-/*
- * /dev/nvram driver for Power Macintosh.
- */
-
-#define NVRAM_VERSION "1.0"
-
-#include <linux/module.h>
-
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/miscdevice.h>
-#include <linux/fcntl.h>
-#include <linux/nvram.h>
-#include <linux/init.h>
-#include <asm/uaccess.h>
-#include <asm/nvram.h>
-
-#define NVRAM_SIZE 8192
-
-static loff_t nvram_llseek(struct file *file, loff_t offset, int origin)
-{
- switch (origin) {
- case 0:
- break;
- case 1:
- offset += file->f_pos;
- break;
- case 2:
- offset += NVRAM_SIZE;
- break;
- default:
- offset = -1;
- }
- if (offset < 0)
- return -EINVAL;
-
- file->f_pos = offset;
- return file->f_pos;
-}
-
-static ssize_t read_nvram(struct file *file, char __user *buf,
- size_t count, loff_t *ppos)
-{
- unsigned int i;
- char __user *p = buf;
-
- if (!access_ok(VERIFY_WRITE, buf, count))
- return -EFAULT;
- if (*ppos >= NVRAM_SIZE)
- return 0;
- for (i = *ppos; count > 0 && i < NVRAM_SIZE; ++i, ++p, --count)
- if (__put_user(nvram_read_byte(i), p))
- return -EFAULT;
- *ppos = i;
- return p - buf;
-}
-
-static ssize_t write_nvram(struct file *file, const char __user *buf,
- size_t count, loff_t *ppos)
-{
- unsigned int i;
- const char __user *p = buf;
- char c;
-
- if (!access_ok(VERIFY_READ, buf, count))
- return -EFAULT;
- if (*ppos >= NVRAM_SIZE)
- return 0;
- for (i = *ppos; count > 0 && i < NVRAM_SIZE; ++i, ++p, --count) {
- if (__get_user(c, p))
- return -EFAULT;
- nvram_write_byte(c, i);
- }
- *ppos = i;
- return p - buf;
-}
-
-static long nvram_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
- switch(cmd) {
- case PMAC_NVRAM_GET_OFFSET:
- {
- int part, offset;
- if (copy_from_user(&part, (void __user*)arg, sizeof(part)) != 0)
- return -EFAULT;
- if (part < pmac_nvram_OF || part > pmac_nvram_NR)
- return -EINVAL;
- offset = pmac_get_partition(part);
- if (copy_to_user((void __user*)arg, &offset, sizeof(offset)) != 0)
- return -EFAULT;
- break;
- }
-
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-const struct file_operations nvram_fops = {
- .owner = THIS_MODULE,
- .llseek = nvram_llseek,
- .read = read_nvram,
- .write = write_nvram,
- .unlocked_ioctl = nvram_ioctl,
-};
-
-static struct miscdevice nvram_dev = {
- NVRAM_MINOR,
- "nvram",
- &nvram_fops
-};
-
-int __init nvram_init(void)
-{
- printk(KERN_INFO "Macintosh non-volatile memory driver v%s\n",
- NVRAM_VERSION);
- return misc_register(&nvram_dev);
-}
-
-void __exit nvram_cleanup(void)
-{
- misc_deregister( &nvram_dev );
-}
-
-module_init(nvram_init);
-module_exit(nvram_cleanup);
-MODULE_LICENSE("GPL");
next prev parent reply other threads:[~2015-06-14 13:08 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-14 7:46 [RFC v2 00/24] Re-use nvram module Finn Thain
2015-06-14 7:46 ` Finn Thain [this message]
2015-06-15 6:41 ` [RFC,v2,01/24] macintosh/nvram: Remove as unused Michael Ellerman
2015-06-14 7:46 ` [RFC v2 02/24] scsi/atari_scsi: Dont select CONFIG_NVRAM Finn Thain
2015-06-14 7:46 ` [RFC v2 03/24] m68k/atari: Move Atari-specific code out of drivers/char/nvram.c Finn Thain
2015-06-14 7:46 ` [RFC v2 04/24] m68k/atari: Replace nvram_{read,write}_byte with arch_nvram_ops Finn Thain
2015-06-14 7:46 ` [RFC v2 05/24] char/nvram: Re-order functions to remove forward declarations and #ifdefs Finn Thain
2015-06-14 7:46 ` [RFC v2 06/24] char/nvram: Adopt arch_nvram_ops Finn Thain
2015-06-14 7:46 ` [RFC v2 07/24] x86/thinkpad_acpi: Use arch_nvram_ops methods instead of nvram_read_byte() and nvram_write_byte() Finn Thain
2015-06-14 7:46 ` [RFC v2 08/24] char/nvram: Allow the set_checksum and initialize ioctls to be omitted Finn Thain
2015-06-14 7:46 ` [RFC v2 09/24] char/nvram: Implement NVRAM read/write methods Finn Thain
2015-06-14 7:46 ` [RFC v2 10/24] char/nvram: Use generic fixed_size_llseek() Finn Thain
2015-06-14 7:46 ` [RFC v2 11/24] m68k/atari: Implement arch_nvram_ops methods and enable CONFIG_HAVE_ARCH_NVRAM_OPS Finn Thain
2015-06-14 7:46 ` [RFC v2 12/24] char/nvram: Add "devname:nvram" module alias Finn Thain
2015-06-14 7:46 ` [RFC v2 13/24] powerpc: Cleanup nvram includes Finn Thain
2015-06-14 7:46 ` [RFC v2 14/24] powerpc: Add missing ppc_md.nvram_size for CHRP and PowerMac Finn Thain
2015-06-14 7:46 ` [RFC v2 15/24] powerpc: Implement arch_nvram_ops.get_size() and remove old nvram_* exports Finn Thain
2015-06-14 7:46 ` [RFC v2 16/24] powerpc: Implement nvram sync ioctl Finn Thain
2015-06-14 7:46 ` [RFC v2 17/24] powerpc, fbdev: Use arch_nvram_ops methods instead of nvram_read_byte() and nvram_write_byte() Finn Thain
2015-06-14 7:46 ` [RFC v2 18/24] nvram: Drop nvram_* symbol exports and prototypes Finn Thain
2015-06-14 7:46 ` [RFC v2 19/24] powerpc: Remove CONFIG_GENERIC_NVRAM and adopt CONFIG_HAVE_ARCH_NVRAM_OPS Finn Thain
2015-06-14 7:46 ` [RFC v2 20/24] char/generic_nvram: Remove as unused Finn Thain
2015-06-14 7:46 ` [RFC v2 21/24] powerpc: Adopt nvram module for PPC64 Finn Thain
2015-06-14 7:46 ` [RFC v2 22/24] m68k/mac: Adopt naming and calling conventions for PRAM routines Finn Thain
2015-06-14 7:46 ` [RFC v2 23/24] m68k/mac: Fix PRAM accessors Finn Thain
2015-06-15 8:23 ` Geert Uytterhoeven
2015-06-16 3:10 ` Finn Thain
2015-06-18 4:49 ` Finn Thain
2015-06-18 6:59 ` Geert Uytterhoeven
2015-06-18 16:52 ` Andreas Schwab
2015-06-14 7:46 ` [RFC v2 24/24] m68k: Dispatch nvram_ops calls to Atari or Mac functions Finn Thain
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