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usb: dwc2: remove control_data_toggle[]
The control data toggle resets to DATA1 at the start of the data phase of every setup transaction. We don't need a global variable to store the value; we can just store it on the stack. Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
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parent
ee83755401
commit
282685e07e
1 changed files with 4 additions and 8 deletions
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@ -27,7 +27,6 @@ DEFINE_ALIGN_BUFFER(uint8_t, status_buffer, DWC2_STATUS_BUF_SIZE, 8);
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#define MAX_DEVICE 16
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#define MAX_ENDPOINT 16
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static int bulk_data_toggle[MAX_DEVICE][MAX_ENDPOINT];
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static int control_data_toggle[MAX_DEVICE][MAX_ENDPOINT];
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static int root_hub_devnum;
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@ -853,7 +852,6 @@ int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
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int len, struct devrequest *setup)
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{
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int devnum = usb_pipedevice(pipe);
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int ep = usb_pipeendpoint(pipe);
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int pid, ret, act_len;
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/* For CONTROL endpoint pid should start with DATA1 */
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int status_direction;
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@ -870,9 +868,9 @@ int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
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return ret;
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if (buffer) {
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control_data_toggle[devnum][ep] = DWC2_HC_PID_DATA1;
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ret = chunk_msg(dev, pipe, &control_data_toggle[devnum][ep],
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usb_pipein(pipe), buffer, len);
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pid = DWC2_HC_PID_DATA1;
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ret = chunk_msg(dev, pipe, &pid, usb_pipein(pipe), buffer,
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len);
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if (ret)
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return ret;
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act_len = dev->act_len;
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@ -933,10 +931,8 @@ int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
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DWC2_HPRT0_PRTRST);
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for (i = 0; i < MAX_DEVICE; i++) {
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for (j = 0; j < MAX_ENDPOINT; j++) {
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control_data_toggle[i][j] = DWC2_HC_PID_DATA1;
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for (j = 0; j < MAX_ENDPOINT; j++)
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bulk_data_toggle[i][j] = DWC2_HC_PID_DATA0;
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}
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}
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return 0;
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