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authorJiri Kosina <jkosina@suse.cz>2022-01-10 09:56:57 +0100
committerJiri Kosina <jkosina@suse.cz>2022-01-10 09:56:57 +0100
commit3551a3ff8229e15d2a4b47b8234923bc72da65ef (patch)
treea62465753397b0268529a5d0b9ab43a8840069ad /drivers/usb/cdns3/cdnsp-ring.c
parent906095af85e8b2e53ee9f8c50b3dff365aa09df8 (diff)
parent33a5c2793451770cb6dcf0cc35c76cfd4b045513 (diff)
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Merge branch 'for-5.17/letsketch' into for-linus
- new driver to support for LetSketch device (Hans de Goede)
Diffstat (limited to 'drivers/usb/cdns3/cdnsp-ring.c')
-rw-r--r--drivers/usb/cdns3/cdnsp-ring.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/usb/cdns3/cdnsp-ring.c b/drivers/usb/cdns3/cdnsp-ring.c
index 1b1438457fb0..e45c3d6e1536 100644
--- a/drivers/usb/cdns3/cdnsp-ring.c
+++ b/drivers/usb/cdns3/cdnsp-ring.c
@@ -1029,6 +1029,8 @@ static void cdnsp_process_ctrl_td(struct cdnsp_device *pdev,
return;
}
+ *status = 0;
+
cdnsp_finish_td(pdev, td, event, pep, status);
}
@@ -1523,7 +1525,14 @@ irqreturn_t cdnsp_thread_irq_handler(int irq, void *data)
spin_lock_irqsave(&pdev->lock, flags);
if (pdev->cdnsp_state & (CDNSP_STATE_HALTED | CDNSP_STATE_DYING)) {
- cdnsp_died(pdev);
+ /*
+ * While removing or stopping driver there may still be deferred
+ * not handled interrupt which should not be treated as error.
+ * Driver should simply ignore it.
+ */
+ if (pdev->gadget_driver)
+ cdnsp_died(pdev);
+
spin_unlock_irqrestore(&pdev->lock, flags);
return IRQ_HANDLED;
}