ide-tape: remove struct idetape_mode_parameter_header_t

Bart:
- remove 'capabilities->speed' chunk
- re-add brackets to block_descrp assignment

Signed-off-by: Borislav Petkov <bbpetkov@yahoo.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide-tape.c

@@ -747,16 +747,6 @@ typedef struct {
 #define IDETAPE_BLOCK_SIZE_PAGE		0x30
 #define IDETAPE_BUFFER_FILLING_PAGE	0x33
 
-/*
- *	Mode Parameter Header for the MODE SENSE packet command
- */
-typedef struct {
-	__u8	mode_data_length;	/* Length of the following data transfer */
-	__u8	medium_type;		/* Medium Type */
-	__u8	dsp;			/* Device Specific Parameter */
-	__u8	bdl;			/* Block Descriptor Length */
-} idetape_mode_parameter_header_t;
-
 /*
  *	Mode Parameter Block Descriptor the MODE SENSE packet command
  *
@@ -3914,9 +3904,8 @@ static void idetape_get_mode_sense_results (ide_drive_t *drive)
 {
 	idetape_tape_t *tape = drive->driver_data;
 	idetape_pc_t pc;
-	idetape_mode_parameter_header_t *header;
 	idetape_capabilities_page_t *capabilities;
-	
+
 	idetape_create_mode_sense_cmd(&pc, IDETAPE_CAPABILITIES_PAGE);
 	if (idetape_queue_pc_tail(drive, &pc)) {
 		printk(KERN_ERR "ide-tape: Can't get tape parameters - assuming some default values\n");
@@ -3926,8 +3915,8 @@ static void idetape_get_mode_sense_results (ide_drive_t *drive)
 		tape->capabilities.buffer_size = 6 * 52;
 		return;
 	}
-	header = (idetape_mode_parameter_header_t *) pc.buffer;
-	capabilities = (idetape_capabilities_page_t *) (pc.buffer + sizeof(idetape_mode_parameter_header_t) + header->bdl);
+	capabilities = (idetape_capabilities_page_t *)
+		(pc.buffer + 4 + pc.buffer[3]);
 
 	capabilities->max_speed = ntohs(capabilities->max_speed);
 	capabilities->ctl = ntohs(capabilities->ctl);
@@ -3952,11 +3941,13 @@ static void idetape_get_mode_sense_results (ide_drive_t *drive)
 #if IDETAPE_DEBUG_INFO
 	printk(KERN_INFO "ide-tape: Dumping the results of the MODE SENSE packet command\n");
 	printk(KERN_INFO "ide-tape: Mode Parameter Header:\n");
-	printk(KERN_INFO "ide-tape: Mode Data Length - %d\n",header->mode_data_length);
-	printk(KERN_INFO "ide-tape: Medium Type - %d\n",header->medium_type);
-	printk(KERN_INFO "ide-tape: Device Specific Parameter - %d\n",header->dsp);
-	printk(KERN_INFO "ide-tape: Block Descriptor Length - %d\n",header->bdl);
-	
+	printk(KERN_INFO "ide-tape: Mode Data Length - %d\n", pc.buffer[0]);
+	printk(KERN_INFO "ide-tape: Medium Type - %d\n", pc.buffer[1]);
+	printk(KERN_INFO "ide-tape: Device Specific Parameter - %d\n",
+			pc.buffer[2]);
+	printk(KERN_INFO "ide-tape: Block Descriptor Length - %d\n",
+			pc.buffer[3]);
+
 	printk(KERN_INFO "ide-tape: Capabilities and Mechanical Status Page:\n");
 	printk(KERN_INFO "ide-tape: Page code - %d\n",capabilities->page_code);
 	printk(KERN_INFO "ide-tape: Page length - %d\n",capabilities->page_length);
@@ -3989,9 +3980,8 @@ static void idetape_get_blocksize_from_block_descriptor(ide_drive_t *drive)
 
 	idetape_tape_t *tape = drive->driver_data;
 	idetape_pc_t pc;
-	idetape_mode_parameter_header_t *header;
 	idetape_parameter_block_descriptor_t *block_descrp;
-	
+
 	idetape_create_mode_sense_cmd(&pc, IDETAPE_BLOCK_DESCRIPTOR);
 	if (idetape_queue_pc_tail(drive, &pc)) {
 		printk(KERN_ERR "ide-tape: Can't get block descriptor\n");
@@ -4001,10 +3991,9 @@ static void idetape_get_blocksize_from_block_descriptor(ide_drive_t *drive)
 		}
 		return;
 	}
-	header = (idetape_mode_parameter_header_t *) pc.buffer;
-	block_descrp = (idetape_parameter_block_descriptor_t *) (pc.buffer + sizeof(idetape_mode_parameter_header_t));
+	block_descrp = (idetape_parameter_block_descriptor_t *)(pc.buffer + 4);
 	tape->tape_block_size =( block_descrp->length[0]<<16) + (block_descrp->length[1]<<8) + block_descrp->length[2];
-	tape->drv_write_prot = (header->dsp & 0x80) >> 7;
+	tape->drv_write_prot = (pc.buffer[2] & 0x80) >> 7;
 
 #if IDETAPE_DEBUG_INFO
 	printk(KERN_INFO "ide-tape: Adjusted block size - %d\n", tape->tape_block_size);