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Several small bug-fixes for cdns3 and cdnsp driver

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Merge tag 'usb-v5.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb into usb-linus

Peter writes:

Several small bug-fixes for cdns3 and cdnsp driver

* tag 'usb-v5.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb:
  usb: cdnsp: Fix the IMAN_IE_SET and IMAN_IE_CLEAR macro
  usb: cdnsp: Fixed issue with ZLP
  usb: cdnsp: Fix incorrect supported maximum speed
  usb: cdns3: Fixed incorrect gadget state
This commit is contained in:
Greg Kroah-Hartman 2021-07-29 08:44:19 +02:00
commit a154c43b95
4 changed files with 12 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
drivers/usb/cdns3/cdns3-ep0.c
View file

@ -731,6 +731,7 @@ static int cdns3_gadget_ep0_queue(struct usb_ep *ep,
request->actual = 0;
priv_dev->status_completion_no_call = true;
priv_dev->pending_status_request = request;
usb_gadget_set_state(&priv_dev->gadget, USB_STATE_CONFIGURED);
spin_unlock_irqrestore(&priv_dev->lock, flags);
/*

2
drivers/usb/cdns3/cdnsp-gadget.c
View file

@ -1882,7 +1882,7 @@ static int __cdnsp_gadget_init(struct cdns *cdns)
pdev->gadget.name = "cdnsp-gadget";
pdev->gadget.speed = USB_SPEED_UNKNOWN;
pdev->gadget.sg_supported = 1;
pdev->gadget.max_speed = USB_SPEED_SUPER_PLUS;
pdev->gadget.max_speed = max_speed;
pdev->gadget.lpm_capable = 1;
pdev->setup_buf = kzalloc(CDNSP_EP0_SETUP_SIZE, GFP_KERNEL);

4
drivers/usb/cdns3/cdnsp-gadget.h
View file

@ -383,8 +383,8 @@ struct cdnsp_intr_reg {
#define IMAN_IE BIT(1)
#define IMAN_IP BIT(0)
/* bits 2:31 need to be preserved */
#define IMAN_IE_SET(p) (((p) & IMAN_IE) | 0x2)
#define IMAN_IE_CLEAR(p) (((p) & IMAN_IE) & ~(0x2))
#define IMAN_IE_SET(p) ((p) | IMAN_IE)
#define IMAN_IE_CLEAR(p) ((p) & ~IMAN_IE)
/* IMOD - Interrupter Moderation Register - irq_control bitmasks. */
/*

18
drivers/usb/cdns3/cdnsp-ring.c
View file

@ -1932,15 +1932,13 @@ int cdnsp_queue_bulk_tx(struct cdnsp_device *pdev, struct cdnsp_request *preq)
}
if (enqd_len + trb_buff_len >= full_len) {
if (need_zero_pkt && zero_len_trb) {
zero_len_trb = true;
} else {
field &= ~TRB_CHAIN;
field |= TRB_IOC;
more_trbs_coming = false;
need_zero_pkt = false;
preq->td.last_trb = ring->enqueue;
}
if (need_zero_pkt)
zero_len_trb = !zero_len_trb;
field &= ~TRB_CHAIN;
field |= TRB_IOC;
more_trbs_coming = false;
preq->td.last_trb = ring->enqueue;
}
/* Only set interrupt on short packet for OUT endpoints. */
@ -1955,7 +1953,7 @@ int cdnsp_queue_bulk_tx(struct cdnsp_device *pdev, struct cdnsp_request *preq)
length_field = TRB_LEN(trb_buff_len) | TRB_TD_SIZE(remainder) |
TRB_INTR_TARGET(0);
cdnsp_queue_trb(pdev, ring, more_trbs_coming | need_zero_pkt,
cdnsp_queue_trb(pdev, ring, more_trbs_coming | zero_len_trb,
lower_32_bits(send_addr),
upper_32_bits(send_addr),
length_field,