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由 Minas Harutyunyan 提交于
stable inclusion from stable-5.10.70 commit d071c7fd45dcde9fc051e5f4de2f2fb24792279e bugzilla: 182949 https://gitee.com/openeuler/kernel/issues/I4I3GQ Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=d071c7fd45dcde9fc051e5f4de2f2fb24792279e -------------------------------- commit dbe2518b upstream. When last descriptor in a descriptor list completed with XferComplete interrupt, core switching to handle next descriptor and assert BNA interrupt. Both these interrupts are set while dwc2_hsotg_epint() handler called. Each interrupt should be handled separately: first XferComplete interrupt then BNA interrupt, otherwise last completed transfer will not be giveback to function driver as completed request. Fixes: 729cac69 ("usb: dwc2: Change ISOC DDMA flow") Cc: stable <stable@vger.kernel.org> Signed-off-by: NMinas Harutyunyan <Minas.Harutyunyan@synopsys.com> Link: https://lore.kernel.org/r/a36981accc26cd674c5d8f8da6164344b94ec1fe.1631386531.git.Minas.Harutyunyan@synopsys.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: NChen Jun <chenjun102@huawei.com> Acked-by: NWeilong Chen <chenweilong@huawei.com> Signed-off-by: NChen Jun <chenjun102@huawei.com> Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
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