[PATCH] usb-storage: Some minor shuttle_usbat cleanups

A while ago, Matthew Dharm wrote:
> Looks good.  Tho, I would like to see a future patch to do two things:
> 	1) Change comments from C++ style to C-style
> 	2) Make sure we're naming consistently everywhere SCM, USBAT,
> 	USBAT-02 (most noticably needing fixing is the string used at
> 	transport-selection time, but a sweep of all uses to be consistent
> 	would be in order).

Sorry for the long delay, here is a patch to address this. I also clarified
some ATA/ATAPI wording + function names.
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

 drivers/usb/storage/shuttle_usbat.c |  306 ++++++++++++++++++++----------------
 drivers/usb/storage/shuttle_usbat.h |   66 +++----
 drivers/usb/storage/transport.h     |    2
 drivers/usb/storage/unusual_devs.h  |   10 -
 drivers/usb/storage/usb.c           |    4
 5 files changed, 213 insertions(+), 175 deletions(-)

drivers/usb/storage/shuttle_usbat.h

@@ -55,8 +55,8 @@
 #define USBAT_UIO_WRITE	0
 
 /* Qualifier bits */
-#define USBAT_QUAL_FCQ	0x20 // full compare
-#define USBAT_QUAL_ALQ	0x10 // auto load subcount
+#define USBAT_QUAL_FCQ	0x20	/* full compare */
+#define USBAT_QUAL_ALQ	0x10	/* auto load subcount */
 
 /* USBAT Flash Media status types */
 #define USBAT_FLASH_MEDIA_NONE	0
@@ -67,39 +67,39 @@
 #define USBAT_FLASH_MEDIA_CHANGED	1
 
 /* USBAT ATA registers */
-#define USBAT_ATA_DATA      0x10  // read/write data (R/W)
-#define USBAT_ATA_FEATURES  0x11  // set features (W)
-#define USBAT_ATA_ERROR     0x11  // error (R)
-#define USBAT_ATA_SECCNT    0x12  // sector count (R/W)
-#define USBAT_ATA_SECNUM    0x13  // sector number (R/W)
-#define USBAT_ATA_LBA_ME    0x14  // cylinder low (R/W)
-#define USBAT_ATA_LBA_HI    0x15  // cylinder high (R/W)
-#define USBAT_ATA_DEVICE    0x16  // head/device selection (R/W)
-#define USBAT_ATA_STATUS    0x17  // device status (R)
-#define USBAT_ATA_CMD       0x17  // device command (W)
-#define USBAT_ATA_ALTSTATUS 0x0E  // status (no clear IRQ) (R)
+#define USBAT_ATA_DATA      0x10  /* read/write data (R/W) */
+#define USBAT_ATA_FEATURES  0x11  /* set features (W) */
+#define USBAT_ATA_ERROR     0x11  /* error (R) */
+#define USBAT_ATA_SECCNT    0x12  /* sector count (R/W) */
+#define USBAT_ATA_SECNUM    0x13  /* sector number (R/W) */
+#define USBAT_ATA_LBA_ME    0x14  /* cylinder low (R/W) */
+#define USBAT_ATA_LBA_HI    0x15  /* cylinder high (R/W) */
+#define USBAT_ATA_DEVICE    0x16  /* head/device selection (R/W) */
+#define USBAT_ATA_STATUS    0x17  /* device status (R) */
+#define USBAT_ATA_CMD       0x17  /* device command (W) */
+#define USBAT_ATA_ALTSTATUS 0x0E  /* status (no clear IRQ) (R) */
 
 /* USBAT User I/O Data registers */
-#define USBAT_UIO_EPAD		0x80 // Enable Peripheral Control Signals
-#define USBAT_UIO_CDT		0x40 // Card Detect (Read Only)
-				     // CDT = ACKD & !UI1 & !UI0
-#define USBAT_UIO_1		0x20 // I/O 1
-#define USBAT_UIO_0		0x10 // I/O 0
-#define USBAT_UIO_EPP_ATA	0x08 // 1=EPP mode, 0=ATA mode
-#define USBAT_UIO_UI1		0x04 // Input 1
-#define USBAT_UIO_UI0		0x02 // Input 0
-#define USBAT_UIO_INTR_ACK	0x01 // Interrupt (ATA & ISA)/Acknowledge (EPP)
+#define USBAT_UIO_EPAD		0x80 /* Enable Peripheral Control Signals */
+#define USBAT_UIO_CDT		0x40 /* Card Detect (Read Only) */
+				     /* CDT = ACKD & !UI1 & !UI0 */
+#define USBAT_UIO_1		0x20 /* I/O 1 */
+#define USBAT_UIO_0		0x10 /* I/O 0 */
+#define USBAT_UIO_EPP_ATA	0x08 /* 1=EPP mode, 0=ATA mode */
+#define USBAT_UIO_UI1		0x04 /* Input 1 */
+#define USBAT_UIO_UI0		0x02 /* Input 0 */
+#define USBAT_UIO_INTR_ACK	0x01 /* Interrupt (ATA/ISA)/Acknowledge (EPP) */
 
 /* USBAT User I/O Enable registers */
-#define USBAT_UIO_DRVRST	0x80 // Reset Peripheral
-#define USBAT_UIO_ACKD		0x40 // Enable Card Detect
-#define USBAT_UIO_OE1		0x20 // I/O 1 set=output/clr=input
-				     // If ACKD=1, set OE1 to 1 also.
-#define USBAT_UIO_OE0		0x10 // I/O 0 set=output/clr=input
-#define USBAT_UIO_ADPRST	0x01 // Reset SCM chip
+#define USBAT_UIO_DRVRST	0x80 /* Reset Peripheral */
+#define USBAT_UIO_ACKD		0x40 /* Enable Card Detect */
+#define USBAT_UIO_OE1		0x20 /* I/O 1 set=output/clr=input */
+				     /* If ACKD=1, set OE1 to 1 also. */
+#define USBAT_UIO_OE0		0x10 /* I/O 0 set=output/clr=input */
+#define USBAT_UIO_ADPRST	0x01 /* Reset SCM chip */
 
 /* USBAT Features */
-#define USBAT_FEAT_ETEN	0x80 // External trigger enable
+#define USBAT_FEAT_ETEN	0x80	/* External trigger enable */
 #define USBAT_FEAT_U1	0x08
 #define USBAT_FEAT_U0	0x04
 #define USBAT_FEAT_ET1	0x02
@@ -112,12 +112,12 @@ struct usbat_info {
 	int devicetype;
 
 	/* Used for Flash readers only */
-	unsigned long sectors;     // total sector count
-	unsigned long ssize;       // sector size in bytes
+	unsigned long sectors;     /* total sector count */
+	unsigned long ssize;       /* sector size in bytes */
 
 	unsigned char sense_key;
-	unsigned long sense_asc;   // additional sense code
-	unsigned long sense_ascq;  // additional sense code qualifier
+	unsigned long sense_asc;   /* additional sense code */
+	unsigned long sense_ascq;  /* additional sense code qualifier */
 };
 
 #endif

drivers/usb/storage/transport.h

@@ -50,7 +50,7 @@
 #define US_PR_CB	0x01		/* Control/Bulk w/o interrupt */
 #define US_PR_BULK	0x50		/* bulk only */
 #ifdef CONFIG_USB_STORAGE_USBAT
-#define US_PR_SCM_ATAPI	0x80		/* SCM-ATAPI bridge */
+#define US_PR_USBAT	0x80		/* SCM-ATAPI bridge */
 #endif
 #ifdef CONFIG_USB_STORAGE_SDDR09
 #define US_PR_EUSB_SDDR09	0x81	/* SCM-SCSI bridge for SDDR-09 */

drivers/usb/storage/unusual_devs.h

@@ -71,12 +71,12 @@ UNUSUAL_DEV(  0x03f0, 0x0107, 0x0200, 0x0200,
 UNUSUAL_DEV(  0x03f0, 0x0207, 0x0001, 0x0001, 
 		"HP",
 		"CD-Writer+ 8200e",
-		US_SC_8070, US_PR_SCM_ATAPI, init_usbat, 0), 
+		US_SC_8070, US_PR_USBAT, init_usbat, 0),
 
 UNUSUAL_DEV(  0x03f0, 0x0307, 0x0001, 0x0001, 
 		"HP",
 		"CD-Writer+ CD-4e",
-		US_SC_8070, US_PR_SCM_ATAPI, init_usbat, 0), 
+		US_SC_8070, US_PR_USBAT, init_usbat, 0),
 #endif
 
 /* Patch submitted by Mihnea-Costin Grigore <mihnea@zulu.ro> */
@@ -333,9 +333,9 @@ UNUSUAL_DEV(  0x04fc, 0x80c2, 0x0100, 0x0100,
 
 #ifdef CONFIG_USB_STORAGE_USBAT
 UNUSUAL_DEV(  0x04e6, 0x1010, 0x0000, 0x9999,
-		"SCM",
-		"SCM USBAT-02",
-		US_SC_SCSI, US_PR_SCM_ATAPI, init_usbat,
+		"Shuttle/SCM",
+		"USBAT-02",
+		US_SC_SCSI, US_PR_USBAT, init_usbat,
 		US_FL_SINGLE_LUN),
 #endif
 

drivers/usb/storage/usb.c

@@ -555,8 +555,8 @@ static int get_transport(struct us_data *us)
 		break;
 
 #ifdef CONFIG_USB_STORAGE_USBAT
-	case US_PR_SCM_ATAPI:
-		us->transport_name = "SCM/ATAPI";
+	case US_PR_USBAT:
+		us->transport_name = "Shuttle USBAT";
 		us->transport = usbat_transport;
 		us->transport_reset = usb_stor_CB_reset;
 		us->max_lun = 1;