From: Rene Buergel Date: Thu, 13 Sep 2012 20:14:38 +0000 (+0200) Subject: USB: ezusb: remove dependancy on usb_serial X-Git-Tag: v3.7-rc1~171^2~109 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=99495c7061892f0312c0119725b550bb221634ce;p=platform%2Fupstream%2Fkernel-adaptation-pc.git USB: ezusb: remove dependancy on usb_serial This patch removes the dependency on the usb_serial interface and names some magic constants Signed-off-by: René Bürgel -- Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/serial/ezusb.c b/drivers/usb/serial/ezusb.c index 800e8eb..3048b52d 100644 --- a/drivers/usb/serial/ezusb.c +++ b/drivers/usb/serial/ezusb.c @@ -9,24 +9,24 @@ */ #include -#include #include #include -#include #include #include -#include /* EZ-USB Control and Status Register. Bit 0 controls 8051 reset */ #define CPUCS_REG 0x7F92 -int ezusb_writememory(struct usb_serial *serial, int address, +/* Command for writing to internal memory */ +#define WRITE_INT_RAM 0xA0 + +int ezusb_writememory(struct usb_device *dev, int address, unsigned char *data, int length, __u8 request) { int result; unsigned char *transfer_buffer; - if (!serial->dev) { + if (!dev) { printk(KERN_ERR "ezusb: %s - no physical device present, " "failing.\n", __func__); return -ENODEV; @@ -34,25 +34,25 @@ int ezusb_writememory(struct usb_serial *serial, int address, transfer_buffer = kmemdup(data, length, GFP_KERNEL); if (!transfer_buffer) { - dev_err(&serial->dev->dev, "%s - kmalloc(%d) failed.\n", + dev_err(&dev->dev, "%s - kmalloc(%d) failed.\n", __func__, length); return -ENOMEM; } - result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), - request, 0x40, address, 0, transfer_buffer, length, 3000); + result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), request, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + address, 0, transfer_buffer, length, 3000); + kfree(transfer_buffer); return result; } EXPORT_SYMBOL_GPL(ezusb_writememory); -int ezusb_set_reset(struct usb_serial *serial, unsigned char reset_bit) +int ezusb_set_reset(struct usb_device *dev, unsigned char reset_bit) { - int response; - - response = ezusb_writememory(serial, CPUCS_REG, &reset_bit, 1, 0xa0); + int response = ezusb_writememory(dev, CPUCS_REG, &reset_bit, 1, WRITE_INT_RAM); if (response < 0) - dev_err(&serial->dev->dev, "%s- %d failed\n", - __func__, reset_bit); + dev_err(&dev->dev, "%s-%d failed: %d\n", + __func__, reset_bit, response); return response; } EXPORT_SYMBOL_GPL(ezusb_set_reset); diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index af0b70e..f0d4f3f 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -1241,12 +1241,12 @@ static int keyspan_fake_startup(struct usb_serial *serial) dbg("Uploading Keyspan %s firmware.", fw_name); /* download the firmware image */ - response = ezusb_set_reset(serial, 1); + response = ezusb_set_reset(serial->dev, 1); record = (const struct ihex_binrec *)fw->data; while (record) { - response = ezusb_writememory(serial, be32_to_cpu(record->addr), + response = ezusb_writememory(serial->dev, be32_to_cpu(record->addr), (unsigned char *)record->data, be16_to_cpu(record->len), 0xa0); if (response < 0) { @@ -1260,7 +1260,7 @@ static int keyspan_fake_startup(struct usb_serial *serial) release_firmware(fw); /* bring device out of reset. Renumeration will occur in a moment and the new device will bind to the real driver */ - response = ezusb_set_reset(serial, 0); + response = ezusb_set_reset(serial->dev, 0); /* we don't want this device to have a driver assigned to it. */ return 1; diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c index a4ac3cf..1290b6f 100644 --- a/drivers/usb/serial/keyspan_pda.c +++ b/drivers/usb/serial/keyspan_pda.c @@ -682,7 +682,7 @@ static int keyspan_pda_fake_startup(struct usb_serial *serial) const struct firmware *fw; /* download the firmware here ... */ - response = ezusb_set_reset(serial, 1); + response = ezusb_set_reset(serial->dev, 1); if (0) { ; } #ifdef KEYSPAN @@ -707,7 +707,7 @@ static int keyspan_pda_fake_startup(struct usb_serial *serial) record = (const struct ihex_binrec *)fw->data; while (record) { - response = ezusb_writememory(serial, be32_to_cpu(record->addr), + response = ezusb_writememory(serial->dev, be32_to_cpu(record->addr), (unsigned char *)record->data, be16_to_cpu(record->len), 0xa0); if (response < 0) { @@ -722,7 +722,7 @@ static int keyspan_pda_fake_startup(struct usb_serial *serial) release_firmware(fw); /* bring device out of reset. Renumeration will occur in a moment and the new device will bind to the real driver */ - response = ezusb_set_reset(serial, 0); + response = ezusb_set_reset(serial->dev, 0); /* we want this device to fail to have a driver assigned to it. */ return 1; diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c index 473635e..fc72591 100644 --- a/drivers/usb/serial/whiteheat.c +++ b/drivers/usb/serial/whiteheat.c @@ -213,13 +213,13 @@ static int whiteheat_firmware_download(struct usb_serial *serial, goto out; } ret = 0; - response = ezusb_set_reset (serial, 1); + response = ezusb_set_reset(serial->dev, 1); record = (const struct ihex_binrec *)loader_fw->data; while (record) { - response = ezusb_writememory (serial, be32_to_cpu(record->addr), - (unsigned char *)record->data, - be16_to_cpu(record->len), 0xa0); + response = ezusb_writememory(serial->dev, be32_to_cpu(record->addr), + (unsigned char *)record->data, + be16_to_cpu(record->len), 0xa0); if (response < 0) { dev_err(&serial->dev->dev, "%s - ezusb_writememory " "failed for loader (%d %04X %p %d)\n", @@ -230,15 +230,15 @@ static int whiteheat_firmware_download(struct usb_serial *serial, record = ihex_next_binrec(record); } - response = ezusb_set_reset(serial, 0); + response = ezusb_set_reset(serial->dev, 0); record = (const struct ihex_binrec *)firmware_fw->data; while (record && be32_to_cpu(record->addr) < 0x1b40) record = ihex_next_binrec(record); while (record) { - response = ezusb_writememory (serial, be32_to_cpu(record->addr), - (unsigned char *)record->data, - be16_to_cpu(record->len), 0xa3); + response = ezusb_writememory(serial->dev, be32_to_cpu(record->addr), + (unsigned char *)record->data, + be16_to_cpu(record->len), 0xa3); if (response < 0) { dev_err(&serial->dev->dev, "%s - ezusb_writememory " "failed for first firmware step " @@ -250,13 +250,13 @@ static int whiteheat_firmware_download(struct usb_serial *serial, ++record; } - response = ezusb_set_reset(serial, 1); + response = ezusb_set_reset(serial->dev, 1); record = (const struct ihex_binrec *)firmware_fw->data; while (record && be32_to_cpu(record->addr) < 0x1b40) { - response = ezusb_writememory (serial, be32_to_cpu(record->addr), - (unsigned char *)record->data, - be16_to_cpu(record->len), 0xa0); + response = ezusb_writememory(serial->dev, be32_to_cpu(record->addr), + (unsigned char *)record->data, + be16_to_cpu(record->len), 0xa0); if (response < 0) { dev_err(&serial->dev->dev, "%s - ezusb_writememory " "failed for second firmware step " @@ -268,7 +268,7 @@ static int whiteheat_firmware_download(struct usb_serial *serial, ++record; } ret = 0; - response = ezusb_set_reset (serial, 0); + response = ezusb_set_reset(serial->dev, 0); out: release_firmware(loader_fw); release_firmware(firmware_fw); diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index 9e9a0a8..6bed6db 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -301,9 +301,9 @@ extern void usb_serial_port_softint(struct usb_serial_port *port); extern int usb_serial_suspend(struct usb_interface *intf, pm_message_t message); extern int usb_serial_resume(struct usb_interface *intf); -extern int ezusb_writememory(struct usb_serial *serial, int address, +extern int ezusb_writememory(struct usb_device *dev, int address, unsigned char *data, int length, __u8 bRequest); -extern int ezusb_set_reset(struct usb_serial *serial, unsigned char reset_bit); +extern int ezusb_set_reset(struct usb_device *dev, unsigned char reset_bit); /* USB Serial console functions */ #ifdef CONFIG_USB_SERIAL_CONSOLE