diff options
Diffstat (limited to 'drivers/usb/dwc3/core.c')
-rw-r--r-- | drivers/usb/dwc3/core.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 58c3bfd..bd34dbd 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -29,7 +29,7 @@ #include "linux-compat.h" -struct dwc3 *dwc; +static LIST_HEAD(dwc3_list); /* -------------------------------------------------------------------------- */ void dwc3_set_mode(struct dwc3 *dwc, u32 mode) @@ -612,6 +612,7 @@ static void dwc3_core_exit_mode(struct dwc3 *dwc) */ int dwc3_uboot_init(struct dwc3_device *dwc3_dev) { + struct dwc3 *dwc; struct device *dev; u8 lpm_nyet_threshold; u8 tx_de_emphasis; @@ -678,6 +679,8 @@ int dwc3_uboot_init(struct dwc3_device *dwc3_dev) dwc->hird_threshold = hird_threshold | (dwc->is_utmi_l1_suspend << 4); + dwc->index = dwc3_dev->index; + dwc3_cache_hwparams(dwc); ret = dwc3_alloc_event_buffers(dwc, DWC3_EVENT_BUFFERS_SIZE); @@ -710,6 +713,8 @@ int dwc3_uboot_init(struct dwc3_device *dwc3_dev) if (ret) goto err2; + list_add_tail(&dwc->list, &dwc3_list); + return 0; err2: @@ -729,17 +734,28 @@ err0: * @index: index of this controller * * Performs cleanup of memory allocated in dwc3_uboot_init and other misc - * cleanups (equivalent to dwc3_remove in linux). + * cleanups (equivalent to dwc3_remove in linux). index of _this_ controller + * should be passed and should match with the index passed in + * dwc3_device during init. * * Generally called from board file. */ -void dwc3_uboot_exit() +void dwc3_uboot_exit(int index) { - dwc3_core_exit_mode(dwc); - dwc3_event_buffers_cleanup(dwc); - dwc3_free_event_buffers(dwc); - dwc3_core_exit(dwc); - kfree(dwc->mem); + struct dwc3 *dwc; + + list_for_each_entry(dwc, &dwc3_list, list) { + if (dwc->index != index) + continue; + + dwc3_core_exit_mode(dwc); + dwc3_event_buffers_cleanup(dwc); + dwc3_free_event_buffers(dwc); + dwc3_core_exit(dwc); + list_del(&dwc->list); + kfree(dwc->mem); + break; + } } MODULE_ALIAS("platform:dwc3"); |