[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/parisc/eisa_eeprom.c b/src/kernel/linux/v4.14/drivers/parisc/eisa_eeprom.c
new file mode 100644
index 0000000..4dd9b13
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/parisc/eisa_eeprom.c
@@ -0,0 +1,115 @@
+/*
+ * EISA "eeprom" support routines
+ *
+ * Copyright (C) 2001 Thomas Bogendoerfer <tsbogend at parisc-linux.org>
+ *
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/miscdevice.h>
+#include <linux/slab.h>
+#include <linux/fs.h>
+#include <asm/io.h>
+#include <linux/uaccess.h>
+#include <asm/eisa_eeprom.h>
+
+#define EISA_EEPROM_MINOR 241
+
+static loff_t eisa_eeprom_llseek(struct file *file, loff_t offset, int origin)
+{
+ return fixed_size_llseek(file, offset, origin, HPEE_MAX_LENGTH);
+}
+
+static ssize_t eisa_eeprom_read(struct file * file,
+ char __user *buf, size_t count, loff_t *ppos )
+{
+ unsigned char *tmp;
+ ssize_t ret;
+ int i;
+
+ if (*ppos < 0 || *ppos >= HPEE_MAX_LENGTH)
+ return 0;
+
+ count = *ppos + count < HPEE_MAX_LENGTH ? count : HPEE_MAX_LENGTH - *ppos;
+ tmp = kmalloc(count, GFP_KERNEL);
+ if (tmp) {
+ for (i = 0; i < count; i++)
+ tmp[i] = readb(eisa_eeprom_addr+(*ppos)++);
+
+ if (copy_to_user (buf, tmp, count))
+ ret = -EFAULT;
+ else
+ ret = count;
+ kfree (tmp);
+ } else
+ ret = -ENOMEM;
+
+ return ret;
+}
+
+static int eisa_eeprom_open(struct inode *inode, struct file *file)
+{
+ if (file->f_mode & FMODE_WRITE)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int eisa_eeprom_release(struct inode *inode, struct file *file)
+{
+ return 0;
+}
+
+/*
+ * The various file operations we support.
+ */
+static const struct file_operations eisa_eeprom_fops = {
+ .owner = THIS_MODULE,
+ .llseek = eisa_eeprom_llseek,
+ .read = eisa_eeprom_read,
+ .open = eisa_eeprom_open,
+ .release = eisa_eeprom_release,
+};
+
+static struct miscdevice eisa_eeprom_dev = {
+ EISA_EEPROM_MINOR,
+ "eisa_eeprom",
+ &eisa_eeprom_fops
+};
+
+static int __init eisa_eeprom_init(void)
+{
+ int retval;
+
+ if (!eisa_eeprom_addr)
+ return -ENODEV;
+
+ retval = misc_register(&eisa_eeprom_dev);
+ if (retval < 0) {
+ printk(KERN_ERR "EISA EEPROM: cannot register misc device.\n");
+ return retval;
+ }
+
+ printk(KERN_INFO "EISA EEPROM at 0x%p\n", eisa_eeprom_addr);
+ return 0;
+}
+
+MODULE_LICENSE("GPL");
+
+module_init(eisa_eeprom_init);