From patchwork Sat Jan 15 10:39:12 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Slark Xiao X-Patchwork-Id: 532301 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 CF5FBC433F5 for ; Sat, 15 Jan 2022 10:54:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232081AbiAOKy4 (ORCPT ); Sat, 15 Jan 2022 05:54:56 -0500 Received: from mail-m975.mail.163.com ([123.126.97.5]:30582 "EHLO mail-m975.mail.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230097AbiAOKyz (ORCPT ); Sat, 15 Jan 2022 05:54:55 -0500 X-Greylist: delayed 922 seconds by postgrey-1.27 at vger.kernel.org; Sat, 15 Jan 2022 05:54:55 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=/oWUz Z37QARouyTR+Z4mzpHTHtRRXJXnDqhNfwCrG0s=; b=B2TjhoCN1tbO5lxks4LFH vNfzSu9z5ECOxr778W4phv1xOLpWst3U8TsJ6beCgud2bohFI45CMDY6HFeuPJD4 l2pgFJgg9wDgIn6MBbezn50UkPDFb9/QxcFSyRbM2I8SNO1hHlomfcJo63d7nSiM BleIfUxbfwOlhBucYson3o= Received: from localhost.localdomain (unknown [112.97.48.74]) by smtp5 (Coremail) with SMTP id HdxpCgD3yXBSpOJhkl+5AA--.19057S2; Sat, 15 Jan 2022 18:39:15 +0800 (CST) From: Slark Xiao To: mani@kernel.org, hemantk@codeaurora.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 Foxconn SDX55 Date: Sat, 15 Jan 2022 18:39:12 +0800 Message-Id: <20220115103912.3775-1-slark_xiao@163.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CM-TRANSID: HdxpCgD3yXBSpOJhkl+5AA--.19057S2 X-Coremail-Antispam: 1Uf129KBjvdXoWrtw4xuw1rAFyxtF4xtF13Arb_yoW3trX_C3 9xWFs7uws8Wr95Gwn2van5XryrK3WfuF1kZF1vqrn8J34avwnFqw1ktrZ5AFn0gFWYkF9r J34rWr1rAw1a9jkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUU5fH5UUUUU== X-Originating-IP: [112.97.48.74] X-CM-SenderInfo: xvod2y5b0lt0i6rwjhhfrp/1tbiJROJZGAJmBux2gAAsa 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. 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..74e8fc342cfd 100644 --- a/drivers/bus/mhi/pci_generic.c +++ b/drivers/bus/mhi/pci_generic.c @@ -366,6 +366,7 @@ static const struct mhi_pci_dev_info mhi_foxconn_sdx55_info = { .config = &modem_foxconn_sdx55_config, .bar_num = MHI_PCI_DEFAULT_BAR_NUM, .dma_data_width = 32, + .mru_default = 32768, .sideband_wake = false, };