From 282c335ad1bf4d21fcedff132e19995c24c09adc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 8 May 2024 06:21:33 +0200 Subject: Adding upstream version 4.19.304. Signed-off-by: Daniel Baumann --- drivers/usb/musb/cppi_dma.c | 2 +- drivers/usb/musb/musb_core.c | 3 +-- drivers/usb/musb/musb_debugfs.c | 2 +- drivers/usb/musb/musb_host.c | 9 ++++++++- 4 files changed, 11 insertions(+), 5 deletions(-) (limited to 'drivers/usb/musb') diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c index b4d6d9bb3..c545b27ea 100644 --- a/drivers/usb/musb/cppi_dma.c +++ b/drivers/usb/musb/cppi_dma.c @@ -1146,7 +1146,7 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id) struct musb_hw_ep *hw_ep = NULL; u32 rx, tx; int i, index; - unsigned long uninitialized_var(flags); + unsigned long flags; cppi = container_of(musb->dma_controller, struct cppi, controller); if (cppi->irq) diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 2a874058d..4d2de9ce0 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -1873,9 +1873,8 @@ static void musb_pm_runtime_check_session(struct musb *musb) schedule_delayed_work(&musb->irq_work, msecs_to_jiffies(1000)); musb->quirk_retries--; - break; } - /* fall through */ + break; case MUSB_QUIRK_B_INVALID_VBUS_91: if (musb->quirk_retries && !musb->flush_irq_work) { musb_dbg(musb, diff --git a/drivers/usb/musb/musb_debugfs.c b/drivers/usb/musb/musb_debugfs.c index 0c6204add..1efd5ce48 100644 --- a/drivers/usb/musb/musb_debugfs.c +++ b/drivers/usb/musb/musb_debugfs.c @@ -39,7 +39,7 @@ static const struct musb_register_map musb_regmap[] = { { "IntrUsbE", MUSB_INTRUSBE, 8 }, { "DevCtl", MUSB_DEVCTL, 8 }, { "VControl", 0x68, 32 }, - { "HWVers", 0x69, 16 }, + { "HWVers", MUSB_HWVERS, 16 }, { "LinkInfo", MUSB_LINKINFO, 8 }, { "VPLen", MUSB_VPLEN, 8 }, { "HS_EOF1", MUSB_HS_EOF1, 8 }, diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 68f18afa8..b35b6cb24 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -339,10 +339,16 @@ static void musb_advance_schedule(struct musb *musb, struct urb *urb, musb_giveback(musb, urb, status); qh->is_ready = ready; + /* + * musb->lock had been unlocked in musb_giveback, so qh may + * be freed, need to get it again + */ + qh = musb_ep_get_qh(hw_ep, is_in); + /* reclaim resources (and bandwidth) ASAP; deschedule it, and * invalidate qh as soon as list_empty(&hep->urb_list) */ - if (list_empty(&qh->hep->urb_list)) { + if (qh && list_empty(&qh->hep->urb_list)) { struct list_head *head; struct dma_controller *dma = musb->dma_controller; @@ -2424,6 +2430,7 @@ static int musb_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) * and its URB list has emptied, recycle this qh. */ if (ready && list_empty(&qh->hep->urb_list)) { + musb_ep_set_qh(qh->hw_ep, is_in, NULL); qh->hep->hcpriv = NULL; list_del(&qh->ring); kfree(qh); -- cgit v1.2.3