From: Kelly Devilliv kelly.devilliv@gmail.com
stable inclusion from stable-5.10.67 commit 566ddd2d94b099792a02ca44fffb657ea3fd59c6 bugzilla: 182619 https://gitee.com/openeuler/kernel/issues/I4EWO7
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 091cb2f782f32ab68c6f5f326d7868683d3d4875 ]
We should acquire the actual_length of an iso packet from the iTD directly using FOTG210_ITD_LENGTH() macro.
Signed-off-by: Kelly Devilliv kelly.devilliv@gmail.com Link: https://lore.kernel.org/r/20210627125747.127646-4-kelly.devilliv@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Chen Jun chenjun102@huawei.com Acked-by: Weilong Chen chenweilong@huawei.com
Signed-off-by: Chen Jun chenjun102@huawei.com --- drivers/usb/host/fotg210-hcd.c | 5 ++--- drivers/usb/host/fotg210.h | 5 ----- 2 files changed, 2 insertions(+), 8 deletions(-)
diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index 1eb8bb55c59c..ff0b3457fd34 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -4459,13 +4459,12 @@ static bool itd_complete(struct fotg210_hcd *fotg210, struct fotg210_itd *itd)
/* HC need not update length with this error */ if (!(t & FOTG210_ISOC_BABBLE)) { - desc->actual_length = - fotg210_itdlen(urb, desc, t); + desc->actual_length = FOTG210_ITD_LENGTH(t); urb->actual_length += desc->actual_length; } } else if (likely((t & FOTG210_ISOC_ACTIVE) == 0)) { desc->status = 0; - desc->actual_length = fotg210_itdlen(urb, desc, t); + desc->actual_length = FOTG210_ITD_LENGTH(t); urb->actual_length += desc->actual_length; } else { /* URB was too late */ diff --git a/drivers/usb/host/fotg210.h b/drivers/usb/host/fotg210.h index 6cee40ec65b4..67f59517ebad 100644 --- a/drivers/usb/host/fotg210.h +++ b/drivers/usb/host/fotg210.h @@ -686,11 +686,6 @@ static inline unsigned fotg210_read_frame_index(struct fotg210_hcd *fotg210) return fotg210_readl(fotg210, &fotg210->regs->frame_index); }
-#define fotg210_itdlen(urb, desc, t) ({ \ - usb_pipein((urb)->pipe) ? \ - (desc)->length - FOTG210_ITD_LENGTH(t) : \ - FOTG210_ITD_LENGTH(t); \ -}) /*-------------------------------------------------------------------------*/
#endif /* __LINUX_FOTG210_H */