From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 39C08207642; Wed, 4 Dec 2024 23:29:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733354982; cv=none; b=NKdgj2VZxnSXo0U+3x+3b779qI1gOWtPYb+IA4Vd/WGqevk5Zyvk4DdNawwW7mKyy2XvSDfWpZwWl8MrATbuSnzlFEy7Ch/W0aKX9zOxIS3Pj37Ix6wSgBhEFuxzkzwPccwyxxsuZQSD2XkO/iSUWfAYWx2GaePQMvX5dREmoAE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733354982; c=relaxed/simple; bh=vJCBYZcwCfmMnJwgRtyilctCajM+/yvkF1lVPq6FGFU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=p2fMif4XI42Mdl9pAqygUTUc0VUWc5RDNeTT02TPy1R7OrFz1XaPrn2Wt9KvAbL1RSrN9f5zBlXouR9UciNwJ9eEltGGGuz/ahAZHWsM00YKR1liQG9PW9XJEG6VbK4iEyLjpe9Y4uPUubuSlcjoo378FqZAkqBxlI5WizeOz2o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YBLDLIOz; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="YBLDLIOz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CD20BC4CEDD; Wed, 4 Dec 2024 23:29:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733354981; bh=vJCBYZcwCfmMnJwgRtyilctCajM+/yvkF1lVPq6FGFU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YBLDLIOzOLkVHrQhfFYAoHRjl+h5RZQGDciFrJ2ha4lOaHbA5c0a+YUyfrfdYFtg1 rs0nuYQLtx3PpQK/bX2W0ArJDJNKq0Pb17Dqiyc+dk7D9FN2EQs/sRm8caXpG8I1r+ 0dWNfb+ozW6wmXYUj23L5jS/XLmTextkMcN5ESGrwimvfUZmoumsEL603FoI5o8reu jd+dH7ZNpH4dbMRmNsBm3XpOeM5e7udR9onkfB2fM1TewiV1WfaTSdUp8l7+EmYWaP bQXIW13xxcxuRWGxFRoH4eWddrmTiE+Z9dtPkLKno5YVjZjfNCcY3DkEYT10LvCW6Q YKGhVMGRGSCBA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Xu Yang , Peter Chen , Greg Kroah-Hartman , Sasha Levin , peter.chen@kernel.org, linux-usb@vger.kernel.org Subject: [PATCH AUTOSEL 6.6 02/10] usb: chipidea: udc: handle USB Error Interrupt if IOC not set Date: Wed, 4 Dec 2024 17:18:00 -0500 Message-ID: <20241204221820.2248367-2-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241204221820.2248367-1-sashal@kernel.org> References: <20241204221820.2248367-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.6.63 Content-Transfer-Encoding: 8bit From: Xu Yang [ Upstream commit 548f48b66c0c5d4b9795a55f304b7298cde2a025 ] As per USBSTS register description about UEI: When completion of a USB transaction results in an error condition, this bit is set by the Host/Device Controller. This bit is set along with the USBINT bit, if the TD on which the error interrupt occurred also had its interrupt on complete (IOC) bit set. UI is set only when IOC set. Add checking UEI to fix miss call isr_tr_complete_handler() when IOC have not set and transfer error happen. Acked-by: Peter Chen Signed-off-by: Xu Yang Link: https://lore.kernel.org/r/20240926022906.473319-1-xu.yang_2@nxp.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/chipidea/udc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index bd409b18d01ba..969d0825583a9 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -2210,7 +2210,7 @@ static irqreturn_t udc_irq(struct ci_hdrc *ci) } } - if (USBi_UI & intr) + if ((USBi_UI | USBi_UEI) & intr) isr_tr_complete_handler(ci); if ((USBi_SLI & intr) && !(ci->suspended)) { -- 2.43.0