From patchwork Wed Jan 19 10:25:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Slark Xiao X-Patchwork-Id: 533304 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A0E1C433EF for ; Wed, 19 Jan 2022 10:25:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353613AbiASKZt (ORCPT ); Wed, 19 Jan 2022 05:25:49 -0500 Received: from mail-m972.mail.163.com ([123.126.97.2]:28107 "EHLO mail-m972.mail.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353586AbiASKZt (ORCPT ); Wed, 19 Jan 2022 05:25:49 -0500 X-Greylist: delayed 792 seconds by postgrey-1.27 at vger.kernel.org; Wed, 19 Jan 2022 05:25:48 EST DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=MyVyh UzHDpS+tQkN7XqEyXNW73XLWBRPypfXZLk+yDs=; b=QHgj9xcB3jb1h2aGKGgP4 6c3+5hgRfaIkJt+tme80I2GFXRRYL1e0Sz32Vpy1GFQjxJ+QZJ4REe2pWzQnLEPP U+ZbnddH8VFaKXnWCCxZSY0qN0z5ppXv0yH8zhB7pnSmFunzOeBQgNzoh/pAomIw oQZbsZ6XyU3AvjG0Bd6SIM= Received: from localhost.localdomain (unknown [112.97.57.111]) by smtp2 (Coremail) with SMTP id GtxpCgDnaK0b5+dhP3MFAw--.8215S2; Wed, 19 Jan 2022 18:25:32 +0800 (CST) From: Slark Xiao To: mani@kernel.org, hemantk@codeaurora.org, thomas.ulrich@thalesgroup.com, gregkh@linuxfoundation.org Cc: mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Slark Xiao Subject: [PATCH net] bus: mhi: Add mru_default for Cinterion MV31-W Date: Wed, 19 Jan 2022 18:25:19 +0800 Message-Id: <20220119102519.5342-1-slark_xiao@163.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CM-TRANSID: GtxpCgDnaK0b5+dhP3MFAw--.8215S2 X-Coremail-Antispam: 1Uf129KBjvdXoWrtw4xuw1rAFyxtF4xtr4rGrg_yoWDWrX_uw sxWFsruwsxWr90kwn2va1rA3yFy3WxuF1kA3WktFn8t347ZwnFvwnYqFZYyFn5uF43uF9r J3s5uFy5Zw1avjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUUVMNUUUUUU== X-Originating-IP: [112.97.57.111] X-CM-SenderInfo: xvod2y5b0lt0i6rwjhhfrp/1tbiJRyNZGAJmFxP5wAAsV Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org For default mechanism, product would use default MRU 3500 if they didn't define it. But for Foxconn SDX55, there is a known issue which MRU 3500 would lead to data connection lost. So we align it with Qualcomm default MRU settings. We also validate it with Cinterion product and find it also works. Fixes: 87693e092bd0 ("bus: mhi: pci_generic: Add Cinterion MV31-W PCIe to MHI") Signed-off-by: Slark Xiao Reviewed-by: Manivannan Sadhasivam --- drivers/bus/mhi/pci_generic.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c index 3a258a677df8..79c16b2a52c7 100644 --- a/drivers/bus/mhi/pci_generic.c +++ b/drivers/bus/mhi/pci_generic.c @@ -401,6 +401,7 @@ static const struct mhi_pci_dev_info mhi_mv31_info = { .config = &modem_mv31_config, .bar_num = MHI_PCI_DEFAULT_BAR_NUM, .dma_data_width = 32, + .mru_default = 32768, }; static const struct mhi_channel_config mhi_sierra_em919x_channels[] = {