diff options
Diffstat (limited to 'drivers/usb/gadget/serial.c')
| -rw-r--r-- | drivers/usb/gadget/serial.c | 67 |
1 files changed, 19 insertions, 48 deletions
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c index 9e4f1c6935a5..b35ac6d334f8 100644 --- a/drivers/usb/gadget/serial.c +++ b/drivers/usb/gadget/serial.c @@ -300,18 +300,18 @@ static int gs_build_config_buf(u8 *buf, enum usb_device_speed speed, u8 type, unsigned int index, int is_otg); static struct usb_request *gs_alloc_req(struct usb_ep *ep, unsigned int len, - unsigned kmalloc_flags); + gfp_t kmalloc_flags); static void gs_free_req(struct usb_ep *ep, struct usb_request *req); static struct gs_req_entry *gs_alloc_req_entry(struct usb_ep *ep, unsigned len, - unsigned kmalloc_flags); + gfp_t kmalloc_flags); static void gs_free_req_entry(struct usb_ep *ep, struct gs_req_entry *req); -static int gs_alloc_ports(struct gs_dev *dev, unsigned kmalloc_flags); +static int gs_alloc_ports(struct gs_dev *dev, gfp_t kmalloc_flags); static void gs_free_ports(struct gs_dev *dev); /* circular buffer */ -static struct gs_buf *gs_buf_alloc(unsigned int size, unsigned kmalloc_flags); +static struct gs_buf *gs_buf_alloc(unsigned int size, gfp_t kmalloc_flags); static void gs_buf_free(struct gs_buf *gb); static void gs_buf_clear(struct gs_buf *gb); static unsigned int gs_buf_data_avail(struct gs_buf *gb); @@ -1422,49 +1422,20 @@ static int gs_bind(struct usb_gadget *gadget) int ret; struct usb_ep *ep; struct gs_dev *dev; + int gcnum; - /* device specific */ - if (gadget_is_net2280(gadget)) { - gs_device_desc.bcdDevice = - __constant_cpu_to_le16(GS_VERSION_NUM|0x0001); - } else if (gadget_is_pxa(gadget)) { - gs_device_desc.bcdDevice = - __constant_cpu_to_le16(GS_VERSION_NUM|0x0002); - } else if (gadget_is_sh(gadget)) { - gs_device_desc.bcdDevice = - __constant_cpu_to_le16(GS_VERSION_NUM|0x0003); - /* sh doesn't support multiple interfaces or configs */ + /* Some controllers can't support CDC ACM: + * - sh doesn't support multiple interfaces or configs; + * - sa1100 doesn't have a third interrupt endpoint + */ + if (gadget_is_sh(gadget) || gadget_is_sa1100(gadget)) use_acm = 0; - } else if (gadget_is_sa1100(gadget)) { - gs_device_desc.bcdDevice = - __constant_cpu_to_le16(GS_VERSION_NUM|0x0004); - /* sa1100 doesn't support necessary endpoints */ - use_acm = 0; - } else if (gadget_is_goku(gadget)) { - gs_device_desc.bcdDevice = - __constant_cpu_to_le16(GS_VERSION_NUM|0x0005); - } else if (gadget_is_mq11xx(gadget)) { - gs_device_desc.bcdDevice = - __constant_cpu_to_le16(GS_VERSION_NUM|0x0006); - } else if (gadget_is_omap(gadget)) { - gs_device_desc.bcdDevice = - __constant_cpu_to_le16(GS_VERSION_NUM|0x0007); - } else if (gadget_is_lh7a40x(gadget)) { - gs_device_desc.bcdDevice = - __constant_cpu_to_le16(GS_VERSION_NUM|0x0008); - } else if (gadget_is_n9604(gadget)) { - gs_device_desc.bcdDevice = - __constant_cpu_to_le16(GS_VERSION_NUM|0x0009); - } else if (gadget_is_pxa27x(gadget)) { - gs_device_desc.bcdDevice = - __constant_cpu_to_le16(GS_VERSION_NUM|0x0011); - } else if (gadget_is_s3c2410(gadget)) { - gs_device_desc.bcdDevice = - __constant_cpu_to_le16(GS_VERSION_NUM|0x0012); - } else if (gadget_is_at91(gadget)) { + + gcnum = usb_gadget_controller_number(gadget); + if (gcnum >= 0) gs_device_desc.bcdDevice = - __constant_cpu_to_le16(GS_VERSION_NUM|0x0013); - } else { + cpu_to_le16(GS_VERSION_NUM | gcnum); + else { printk(KERN_WARNING "gs_bind: controller '%s' not recognized\n", gadget->name); /* unrecognized, but safe unless bulk is REALLY quirky */ @@ -2120,7 +2091,7 @@ static int gs_build_config_buf(u8 *buf, enum usb_device_speed speed, * usb_request or NULL if there is an error. */ static struct usb_request * -gs_alloc_req(struct usb_ep *ep, unsigned int len, unsigned kmalloc_flags) +gs_alloc_req(struct usb_ep *ep, unsigned int len, gfp_t kmalloc_flags) { struct usb_request *req; @@ -2161,7 +2132,7 @@ static void gs_free_req(struct usb_ep *ep, struct usb_request *req) * endpoint, buffer len, and kmalloc flags. */ static struct gs_req_entry * -gs_alloc_req_entry(struct usb_ep *ep, unsigned len, unsigned kmalloc_flags) +gs_alloc_req_entry(struct usb_ep *ep, unsigned len, gfp_t kmalloc_flags) { struct gs_req_entry *req; @@ -2202,7 +2173,7 @@ static void gs_free_req_entry(struct usb_ep *ep, struct gs_req_entry *req) * * The device lock is normally held when calling this function. */ -static int gs_alloc_ports(struct gs_dev *dev, unsigned kmalloc_flags) +static int gs_alloc_ports(struct gs_dev *dev, gfp_t kmalloc_flags) { int i; struct gs_port *port; @@ -2284,7 +2255,7 @@ static void gs_free_ports(struct gs_dev *dev) * * Allocate a circular buffer and all associated memory. */ -static struct gs_buf *gs_buf_alloc(unsigned int size, unsigned kmalloc_flags) +static struct gs_buf *gs_buf_alloc(unsigned int size, gfp_t kmalloc_flags) { struct gs_buf *gb; |