diff options
Diffstat (limited to 'drivers/usb/misc')
| -rw-r--r-- | drivers/usb/misc/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/usb/misc/ezusb.c | 39 | ||||
| -rw-r--r-- | drivers/usb/misc/usbtest.c | 4 |
3 files changed, 28 insertions, 16 deletions
diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig index a8f05239350..fecde69bfa7 100644 --- a/drivers/usb/misc/Kconfig +++ b/drivers/usb/misc/Kconfig @@ -246,6 +246,7 @@ config USB_YUREX config USB_EZUSB_FX2 tristate "Functions for loading firmware on EZUSB chips" + depends on USB help Say Y here if you need EZUSB device support. (Cypress FX/FX2/FX2LP microcontrollers) diff --git a/drivers/usb/misc/ezusb.c b/drivers/usb/misc/ezusb.c index 4223d761223..e712afed947 100644 --- a/drivers/usb/misc/ezusb.c +++ b/drivers/usb/misc/ezusb.c @@ -15,6 +15,7 @@ #include <linux/usb.h> #include <linux/firmware.h> #include <linux/ihex.h> +#include <linux/usb/ezusb.h> struct ezusb_fx_type { /* EZ-USB Control and Status Register. Bit 0 controls 8051 reset */ @@ -22,21 +23,16 @@ struct ezusb_fx_type { unsigned short max_internal_adress; }; -struct ezusb_fx_type ezusb_fx1 = { +static struct ezusb_fx_type ezusb_fx1 = { .cpucs_reg = 0x7F92, .max_internal_adress = 0x1B3F, }; -struct ezusb_fx_type ezusb_fx2 = { - .cpucs_reg = 0xE600, - .max_internal_adress = 0x3FFF, -}; - /* Commands for writing to memory */ #define WRITE_INT_RAM 0xA0 #define WRITE_EXT_RAM 0xA3 -int ezusb_writememory(struct usb_device *dev, int address, +static int ezusb_writememory(struct usb_device *dev, int address, unsigned char *data, int length, __u8 request) { int result; @@ -58,10 +54,9 @@ int ezusb_writememory(struct usb_device *dev, int address, kfree(transfer_buffer); return result; } -EXPORT_SYMBOL_GPL(ezusb_writememory); -int ezusb_set_reset(struct usb_device *dev, unsigned short cpucs_reg, - unsigned char reset_bit) +static int ezusb_set_reset(struct usb_device *dev, unsigned short cpucs_reg, + unsigned char reset_bit) { int response = ezusb_writememory(dev, cpucs_reg, &reset_bit, 1, WRITE_INT_RAM); if (response < 0) @@ -76,12 +71,6 @@ int ezusb_fx1_set_reset(struct usb_device *dev, unsigned char reset_bit) } EXPORT_SYMBOL_GPL(ezusb_fx1_set_reset); -int ezusb_fx2_set_reset(struct usb_device *dev, unsigned char reset_bit) -{ - return ezusb_set_reset(dev, ezusb_fx2.cpucs_reg, reset_bit); -} -EXPORT_SYMBOL_GPL(ezusb_fx2_set_reset); - static int ezusb_ihex_firmware_download(struct usb_device *dev, struct ezusb_fx_type fx, const char *firmware_path) @@ -151,10 +140,28 @@ int ezusb_fx1_ihex_firmware_download(struct usb_device *dev, } EXPORT_SYMBOL_GPL(ezusb_fx1_ihex_firmware_download); +#if 0 +/* + * Once someone one needs these fx2 functions, uncomment them + * and add them to ezusb.h and all should be good. + */ +static struct ezusb_fx_type ezusb_fx2 = { + .cpucs_reg = 0xE600, + .max_internal_adress = 0x3FFF, +}; + +int ezusb_fx2_set_reset(struct usb_device *dev, unsigned char reset_bit) +{ + return ezusb_set_reset(dev, ezusb_fx2.cpucs_reg, reset_bit); +} +EXPORT_SYMBOL_GPL(ezusb_fx2_set_reset); + int ezusb_fx2_ihex_firmware_download(struct usb_device *dev, const char *firmware_path) { return ezusb_ihex_firmware_download(dev, ezusb_fx2, firmware_path); } EXPORT_SYMBOL_GPL(ezusb_fx2_ihex_firmware_download); +#endif +MODULE_LICENSE("GPL"); diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index 055b84adeda..7667b12f2ff 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -423,6 +423,9 @@ alloc_sglist(int nents, int max, int vary) unsigned i; unsigned size = max; + if (max == 0) + return NULL; + sg = kmalloc_array(nents, sizeof *sg, GFP_KERNEL); if (!sg) return NULL; @@ -2386,6 +2389,7 @@ static struct usbtest_info gz_info = { .name = "Linux gadget zero", .autoconf = 1, .ctrl_out = 1, + .iso = 1, .alt = 0, }; |