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update(port/rp2040/usb_hc_rp2040): add lock for ep0

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Signed-off-by: sakumisu <1203593632@qq.com>
This commit is contained in:
sakumisu
2025-01-26 15:19:34 +08:00
parent 95baa7845c
commit d3aafb2174
1 changed files with 19 additions and 0 deletions
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19
port/rp2040/usb_hc_rp2040.c
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@@ -41,6 +41,7 @@ struct rp2040_hcd {
volatile bool port_csc;
volatile bool port_pec;
volatile bool port_pe;
usb_osal_mutex_t ep0_mutex;
struct rp2040_pipe pipe_pool[1 + CONFIG_USBHOST_PIPE_NUM];
} g_rp2040_hcd[CONFIG_USBHOST_MAX_BUS];
@@ -289,9 +290,16 @@ int usb_hc_init(struct usbh_bus *bus)
g_rp2040_hcd[bus->hcd.hcd_id].pipe_pool[i].waitsem = usb_osal_sem_create(0);
if (g_rp2040_hcd[bus->hcd.hcd_id].pipe_pool[i].waitsem == NULL) {
USB_LOG_ERR("Failed to create waitsem\r\n");
return -USB_ERR_NOMEM;
}
}
g_rp2040_hcd[bus->hcd.hcd_id].ep0_mutex = usb_osal_mutex_create();
if (g_rp2040_hcd[bus->hcd.hcd_id].ep0_mutex == NULL) {
USB_LOG_ERR("Failed to create ep0_mutex\r\n");
return -USB_ERR_NOMEM;
}
g_rp2040_hcd[bus->hcd.hcd_id].pipe_pool[0].endpoint_control = &usbh_dpram->epx_ctrl;
g_rp2040_hcd[bus->hcd.hcd_id].pipe_pool[0].buffer_control = &usbh_dpram->epx_buf_ctrl;
g_rp2040_hcd[bus->hcd.hcd_id].pipe_pool[0].data_buffer = &usbh_dpram->epx_data[0];
@@ -355,6 +363,8 @@ int usb_hc_deinit(struct usbh_bus *bus)
usb_osal_sem_delete(g_rp2040_hcd[bus->hcd.hcd_id].pipe_pool[i].waitsem);
}
usb_osal_mutex_delete(g_rp2040_hcd[bus->hcd.hcd_id].ep0_mutex);
return 0;
}
@@ -502,6 +512,8 @@ int usbh_submit_urb(struct usbh_urb *urb)
if (USB_GET_ENDPOINT_TYPE(urb->ep->bmAttributes) == USB_ENDPOINT_TYPE_CONTROL) {
chidx = 0;
/* all the control transfers use the only one ep0 register, we need to lock */
usb_osal_mutex_take(g_rp2040_hcd[bus->hcd.hcd_id].ep0_mutex);
} else {
chidx = rp2040_pipe_alloc(bus);
if (chidx == -1) {
@@ -543,9 +555,16 @@ int usbh_submit_urb(struct usbh_urb *urb)
ret = urb->errorcode;
/* we can free pipe when waitsem is done */
rp2040_pipe_free(pipe);
if (chidx == 0) {
usb_osal_mutex_give(g_rp2040_hcd[bus->hcd.hcd_id].ep0_mutex);
}
}
return ret;
errout_timeout:
if (chidx == 0) {
usb_osal_mutex_give(g_rp2040_hcd[bus->hcd.hcd_id].ep0_mutex);
}
urb->timeout = 0;
usbh_kill_urb(urb);
return ret;