[MTD] Remove silly MTD_WRITE/READ macros

Most of those macros are unused and the used ones just obfuscate
the code. Remove them and fixup all users.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/fs/jffs/intrep.c b/fs/jffs/intrep.c
index 0ef207d..5371a40 100644
--- a/fs/jffs/intrep.c
+++ b/fs/jffs/intrep.c
@@ -247,7 +247,7 @@
 	D3(printk(KERN_NOTICE "flash_safe_read(%p, %08x, %p, %08x)\n",
 		  mtd, (unsigned int) from, buf, count));
 
-	res = MTD_READ(mtd, from, count, &retlen, buf);
+	res = mtd->read(mtd, from, count, &retlen, buf);
 	if (retlen != count) {
 		panic("Didn't read all bytes in flash_safe_read(). Returned %d\n", res);
 	}
@@ -262,7 +262,7 @@
 	__u32 ret;
 	int res;
 
-	res = MTD_READ(mtd, from, 4, &retlen, (unsigned char *)&ret);
+	res = mtd->read(mtd, from, 4, &retlen, (unsigned char *)&ret);
 	if (retlen != 4) {
 		printk("Didn't read all bytes in flash_read_u32(). Returned %d\n", res);
 		return 0;
@@ -282,7 +282,7 @@
 	D3(printk(KERN_NOTICE "flash_safe_write(%p, %08x, %p, %08x)\n",
 		  mtd, (unsigned int) to, buf, count));
 
-	res = MTD_WRITE(mtd, to, count, &retlen, buf);
+	res = mtd->write(mtd, to, count, &retlen, buf);
 	if (retlen != count) {
 		printk("Didn't write all bytes in flash_safe_write(). Returned %d\n", res);
 	}
@@ -300,9 +300,9 @@
 
 	D3(printk(KERN_NOTICE "flash_safe_writev(%p, %08x, %p)\n",
 		  mtd, (unsigned int) to, vecs));
-	
+
 	if (mtd->writev) {
-		res = MTD_WRITEV(mtd, vecs, iovec_cnt, to, &retlen);
+		res = mtd->writev(mtd, vecs, iovec_cnt, to, &retlen);
 		return res ? res : retlen;
 	}
 	/* Not implemented writev. Repeatedly use write - on the not so
@@ -312,7 +312,8 @@
 	retlen=0;
 
 	for (i=0; !res && i<iovec_cnt; i++) {
-		res = MTD_WRITE(mtd, to, vecs[i].iov_len, &retlen_a, vecs[i].iov_base);
+		res = mtd->write(mtd, to, vecs[i].iov_len, &retlen_a,
+				 vecs[i].iov_base);
 		if (retlen_a != vecs[i].iov_len) {
 			printk("Didn't write all bytes in flash_safe_writev(). Returned %d\n", res);
 			if (i != iovec_cnt-1)
@@ -393,7 +394,7 @@
 	set_current_state(TASK_UNINTERRUPTIBLE);
 	add_wait_queue(&wait_q, &wait);
 
-	if (MTD_ERASE(mtd, erase) < 0) {
+	if (mtd->erase(mtd, erase) < 0) {
 		set_current_state(TASK_RUNNING);
 		remove_wait_queue(&wait_q, &wait);
 		kfree(erase);