diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/dwc3/core.c | 3 | ||||
| -rw-r--r-- | drivers/usb/gadget/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/usb/gadget/f_mass_storage.c | 7 | ||||
| -rw-r--r-- | drivers/usb/gadget/f_sdp.c | 10 | ||||
| -rw-r--r-- | drivers/usb/gadget/udc/udc-core.c | 13 |
5 files changed, 26 insertions, 8 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 3aec8b0d941..4b4fcd8a22e 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -31,6 +31,7 @@ #include <linux/usb/gadget.h> #include <linux/bitfield.h> #include <linux/math64.h> +#include <linux/time.h> #include "core.h" #include "gadget.h" @@ -38,8 +39,6 @@ #include "linux-compat.h" -#define NSEC_PER_SEC 1000000000L - static LIST_HEAD(dwc3_list); /* -------------------------------------------------------------------------- */ diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index 4eccc5e3370..c72a8047635 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -17,6 +17,7 @@ menuconfig USB_GADGET bool "USB Gadget Support" depends on DM select DM_USB + imply CMD_BIND help USB is a master/slave protocol, organized with one master host (such as a PC) controlling up to 127 peripheral devices. diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c index 1d17331cb03..c725aed3f62 100644 --- a/drivers/usb/gadget/f_mass_storage.c +++ b/drivers/usb/gadget/f_mass_storage.c @@ -327,6 +327,7 @@ struct fsg_common { unsigned int short_packet_received:1; unsigned int bad_lun_okay:1; unsigned int running:1; + unsigned int eject:1; int thread_wakeup_needed; struct completion thread_notifier; @@ -669,6 +670,10 @@ static int sleep_thread(struct fsg_common *common) } if (k == 10) { + /* Handle START-STOP UNIT */ + if (common->eject) + return -EPIPE; + /* Handle CTRL+C */ if (ctrlc()) return -EPIPE; @@ -1325,6 +1330,8 @@ static int do_start_stop(struct fsg_common *common) return -EINVAL; } + common->eject = 1; + return 0; } diff --git a/drivers/usb/gadget/f_sdp.c b/drivers/usb/gadget/f_sdp.c index ee9384fb37e..ca2760c00d0 100644 --- a/drivers/usb/gadget/f_sdp.c +++ b/drivers/usb/gadget/f_sdp.c @@ -744,7 +744,7 @@ static ulong sdp_load_read(struct spl_load_info *load, ulong sector, { debug("%s: sector %lx, count %lx, buf %lx\n", __func__, sector, count, (ulong)buf); - memcpy(buf, (void *)(load->dev + sector), count); + memcpy(buf, (void *)(load->priv + sector), count); return count; } @@ -844,8 +844,8 @@ static int sdp_handle_in_ep(struct spl_image_info *spl_image, struct spl_load_info load; debug("Found FIT\n"); - load.dev = header; - load.bl_len = 1; + load.priv = header; + spl_set_bl_len(&load, 1); load.read = sdp_load_read; spl_load_simple_fit(spl_image, &load, 0, header); @@ -857,8 +857,8 @@ static int sdp_handle_in_ep(struct spl_image_info *spl_image, valid_container_hdr((void *)header)) { struct spl_load_info load; - load.dev = header; - load.bl_len = 1; + load.priv = header; + spl_set_bl_len(&load, 1); load.read = sdp_load_read; spl_load_imx_container(spl_image, &load, 0); return SDP_EXIT; diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c index eb0b35969ce..ba658d92296 100644 --- a/drivers/usb/gadget/udc/udc-core.c +++ b/drivers/usb/gadget/udc/udc-core.c @@ -323,6 +323,7 @@ err1: int usb_gadget_probe_driver(struct usb_gadget_driver *driver) { struct usb_udc *udc = NULL; + unsigned int udc_count = 0; int ret; if (!driver || !driver->bind || !driver->setup) @@ -330,12 +331,22 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver) mutex_lock(&udc_lock); list_for_each_entry(udc, &udc_list, list) { + udc_count++; + /* For now we take the first one */ if (!udc->driver) goto found; } - printf("couldn't find an available UDC\n"); + if (!udc_count) + printf("No UDC available in the system\n"); + else + /* When this happens, users should 'unbind <class> <index>' + * using the output of 'dm tree' and looking at the line right + * after the USB peripheral/device controller. + */ + printf("All UDCs in use (%d available), use the unbind command\n", + udc_count); mutex_unlock(&udc_lock); return -ENODEV; found: |