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path: root/drivers/usb/storage/shuttle_usbat.c
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Diffstat (limited to 'drivers/usb/storage/shuttle_usbat.c')
-rw-r--r--drivers/usb/storage/shuttle_usbat.c54
1 files changed, 21 insertions, 33 deletions
diff --git a/drivers/usb/storage/shuttle_usbat.c b/drivers/usb/storage/shuttle_usbat.c
index 3b0294e4df93..27faa0ead11d 100644
--- a/drivers/usb/storage/shuttle_usbat.c
+++ b/drivers/usb/storage/shuttle_usbat.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Driver for SCM Microsystems (a.k.a. Shuttle) USB-ATAPI cable
*
@@ -26,25 +27,12 @@
*
* See the Kconfig help text for a list of devices known to be supported by
* this driver.
- *
- * 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, 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.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/slab.h>
+#include <linux/string_choices.h>
#include <linux/cdrom.h>
#include <scsi/scsi.h>
@@ -61,6 +49,7 @@
MODULE_DESCRIPTION("Driver for SCM Microsystems (a.k.a. Shuttle) USB-ATAPI cable");
MODULE_AUTHOR("Daniel Drake <dsd@gentoo.org>, Robert Baruch <autophile@starband.net>");
MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS("USB_STORAGE");
/* Supported device types */
#define USBAT_DEV_HP8200 0x01
@@ -174,7 +163,7 @@ static int init_usbat_flash(struct us_data *us);
{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
.driver_info = (flags) }
-static struct usb_device_id usbat_usb_ids[] = {
+static const struct usb_device_id usbat_usb_ids[] = {
# include "unusual_usbat.h"
{ } /* Terminating entry */
};
@@ -196,7 +185,7 @@ MODULE_DEVICE_TABLE(usb, usbat_usb_ids);
.initFunction = init_function, \
}
-static struct us_unusual_dev usbat_unusual_dev_list[] = {
+static const struct us_unusual_dev usbat_unusual_dev_list[] = {
# include "unusual_usbat.h"
{ } /* Terminating entry */
};
@@ -663,8 +652,7 @@ static int usbat_hp8200e_rw_block_test(struct us_data *us,
return USB_STOR_TRANSPORT_FAILED;
usb_stor_dbg(us, "Redoing %s\n",
- direction == DMA_TO_DEVICE
- ? "write" : "read");
+ str_write_read(direction == DMA_TO_DEVICE));
} else if (result != USB_STOR_XFER_GOOD)
return USB_STOR_TRANSPORT_ERROR;
@@ -1468,7 +1456,7 @@ static int init_usbat(struct us_data *us, int devicetype)
us->extra = kzalloc(sizeof(struct usbat_info), GFP_NOIO);
if (!us->extra)
- return 1;
+ return -ENOMEM;
info = (struct usbat_info *) (us->extra);
@@ -1477,7 +1465,7 @@ static int init_usbat(struct us_data *us, int devicetype)
USBAT_UIO_OE1 | USBAT_UIO_OE0,
USBAT_UIO_EPAD | USBAT_UIO_1);
if (rc != USB_STOR_XFER_GOOD)
- return USB_STOR_TRANSPORT_ERROR;
+ return -EIO;
usb_stor_dbg(us, "INIT 1\n");
@@ -1485,42 +1473,42 @@ static int init_usbat(struct us_data *us, int devicetype)
rc = usbat_read_user_io(us, status);
if (rc != USB_STOR_TRANSPORT_GOOD)
- return rc;
+ return -EIO;
usb_stor_dbg(us, "INIT 2\n");
rc = usbat_read_user_io(us, status);
if (rc != USB_STOR_XFER_GOOD)
- return USB_STOR_TRANSPORT_ERROR;
+ return -EIO;
rc = usbat_read_user_io(us, status);
if (rc != USB_STOR_XFER_GOOD)
- return USB_STOR_TRANSPORT_ERROR;
+ return -EIO;
usb_stor_dbg(us, "INIT 3\n");
rc = usbat_select_and_test_registers(us);
if (rc != USB_STOR_TRANSPORT_GOOD)
- return rc;
+ return -EIO;
usb_stor_dbg(us, "INIT 4\n");
rc = usbat_read_user_io(us, status);
if (rc != USB_STOR_XFER_GOOD)
- return USB_STOR_TRANSPORT_ERROR;
+ return -EIO;
usb_stor_dbg(us, "INIT 5\n");
/* Enable peripheral control signals and card detect */
rc = usbat_device_enable_cdt(us);
if (rc != USB_STOR_TRANSPORT_GOOD)
- return rc;
+ return -EIO;
usb_stor_dbg(us, "INIT 6\n");
rc = usbat_read_user_io(us, status);
if (rc != USB_STOR_XFER_GOOD)
- return USB_STOR_TRANSPORT_ERROR;
+ return -EIO;
usb_stor_dbg(us, "INIT 7\n");
@@ -1528,19 +1516,19 @@ static int init_usbat(struct us_data *us, int devicetype)
rc = usbat_read_user_io(us, status);
if (rc != USB_STOR_XFER_GOOD)
- return USB_STOR_TRANSPORT_ERROR;
+ return -EIO;
usb_stor_dbg(us, "INIT 8\n");
rc = usbat_select_and_test_registers(us);
if (rc != USB_STOR_TRANSPORT_GOOD)
- return rc;
+ return -EIO;
usb_stor_dbg(us, "INIT 9\n");
/* At this point, we need to detect which device we are using */
if (usbat_set_transport(us, info, devicetype))
- return USB_STOR_TRANSPORT_ERROR;
+ return -EIO;
usb_stor_dbg(us, "INIT 10\n");
@@ -1551,11 +1539,11 @@ static int init_usbat(struct us_data *us, int devicetype)
rc = usbat_set_shuttle_features(us, (USBAT_FEAT_ETEN | USBAT_FEAT_ET2 | USBAT_FEAT_ET1),
0x00, 0x88, 0x08, subcountH, subcountL);
if (rc != USB_STOR_XFER_GOOD)
- return USB_STOR_TRANSPORT_ERROR;
+ return -EIO;
usb_stor_dbg(us, "INIT 11\n");
- return USB_STOR_TRANSPORT_GOOD;
+ return 0;
}
/*
@@ -1695,7 +1683,7 @@ static int usbat_flash_transport(struct scsi_cmnd * srb, struct us_data *us)
struct usbat_info *info = (struct usbat_info *) (us->extra);
unsigned long block, blocks;
unsigned char *ptr = us->iobuf;
- static unsigned char inquiry_response[36] = {
+ static const unsigned char inquiry_response[36] = {
0x00, 0x80, 0x00, 0x01, 0x1F, 0x00, 0x00, 0x00
};