From patchwork Wed Jun 12 09:38:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Slark Xiao X-Patchwork-Id: 13694706 Received: from m15.mail.163.com (m15.mail.163.com [45.254.50.220]) by smtp.subspace.kernel.org (Postfix) with ESMTP id E72352576F; Wed, 12 Jun 2024 09:39:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.254.50.220 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718185173; cv=none; b=umE59L7TIfUr2p8MD9WV28izq+eoBFqKzONj+EKQbgHEtJok8McXKFWSkLf0N72n5WQisvYTeUblWiGYi9Zb+PGyQmQpZhRcPcr22QTRox0zG+TIPUF6ZDCChZVPAaP0zyTCNOIKUR49UlRUNrhuwO/eKnTncPtJatDgOuwfLXY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718185173; c=relaxed/simple; bh=hq17MAkaqI/mS5UaroN1BkaNHRkBEIuYufisq/6rssk=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=uqVl4isjzWbvZVIq7UNf/C/4gxzawqKJrlVzt6hbzr26s6N52UKBlZUrm5R1xdBuPqFGuYM4QUEGdbSmex6cdk5tU7+MZCFqYuYdL3lHwqyJZzovJ/KbJF061bKJ4oDYdC6KWl4BEp6xo0mQ31K4VKfNhW9XUcioR+FQf32ZXUk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=YkgDkpNg; arc=none smtp.client-ip=45.254.50.220 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="YkgDkpNg" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=tAb1g 4fB79567ItBIyDcRXSQsvQ9HpG5fbNWTaEarMY=; b=YkgDkpNgD+bYwyzX+c46Z bbHYLMbEFwRAvUtfovntc83lNRnRxrL1K8/xJzIWWD26/PMNvt8DMGO21sDD5olI HY6FkO6+4wgZocB81Uhr0NbG/XpJLKRahwoZjfMtuwUVk+KtGSj/qTzoFaurKWBF h8+ldOaGjhebLDIgknMKek= Received: from localhost.localdomain (unknown [112.97.57.186]) by gzga-smtp-mta-g0-2 (Coremail) with SMTP id _____wDX30WwbGlmH_qlAQ--.27950S2; Wed, 12 Jun 2024 17:38:57 +0800 (CST) From: Slark Xiao To: manivannan.sadhasivam@linaro.org, loic.poulain@linaro.org, ryazanov.s.a@gmail.com, johannes@sipsolutions.net, quic_jhugo@quicinc.com Cc: netdev@vger.kernel.org, mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Slark Xiao Subject: [PATCH v2 1/2] bus: mhi: host: Import mux_id item Date: Wed, 12 Jun 2024 17:38:42 +0800 Message-Id: <20240612093842.359805-1-slark_xiao@163.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: _____wDX30WwbGlmH_qlAQ--.27950S2 X-Coremail-Antispam: 1Uf129KBjvJXoW7ZrWfJr1DAr1DAF1kKw13CFg_yoW8tr4kpF sYgrW3Jr4fXrWjyryqk3s7ZF1rWw4DG347KrW7K342ywn8t34qvFWjga4ftF1akrZFkF42 yFy5u3y5W3WDXFJanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x0pRuc_3UUUUU= X-CM-SenderInfo: xvod2y5b0lt0i6rwjhhfrp/1tbiRxT7ZGV4JvHumQAAsx For SDX72 MBIM mode, it starts data mux id from 112 instead of 0. This would lead to device can't ping outside successfully. Also MBIM side would report "bad packet session (112)". So we add a default mux_id value for SDX72. And this value would be transferred to wwan mbim side. Signed-off-by: Slark Xiao --- drivers/bus/mhi/host/pci_generic.c | 3 +++ include/linux/mhi.h | 2 ++ 2 files changed, 5 insertions(+) diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c index 0b483c7c76a1..9e9adf8320d2 100644 --- a/drivers/bus/mhi/host/pci_generic.c +++ b/drivers/bus/mhi/host/pci_generic.c @@ -53,6 +53,7 @@ struct mhi_pci_dev_info { unsigned int dma_data_width; unsigned int mru_default; bool sideband_wake; + unsigned int mux_id; }; #define MHI_CHANNEL_CONFIG_UL(ch_num, ch_name, el_count, ev_ring) \ @@ -469,6 +470,7 @@ static const struct mhi_pci_dev_info mhi_foxconn_sdx72_info = { .dma_data_width = 32, .mru_default = 32768, .sideband_wake = false, + .mux_id = 112, }; static const struct mhi_channel_config mhi_mv3x_channels[] = { @@ -1035,6 +1037,7 @@ static int mhi_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) mhi_cntrl->runtime_get = mhi_pci_runtime_get; mhi_cntrl->runtime_put = mhi_pci_runtime_put; mhi_cntrl->mru = info->mru_default; + mhi_cntrl->link_id = info->mux_id; if (info->edl_trigger) mhi_cntrl->edl_trigger = mhi_pci_generic_edl_trigger; diff --git a/include/linux/mhi.h b/include/linux/mhi.h index b573f15762f8..499c735fb1a3 100644 --- a/include/linux/mhi.h +++ b/include/linux/mhi.h @@ -361,6 +361,7 @@ struct mhi_controller_config { * @wake_set: Device wakeup set flag * @irq_flags: irq flags passed to request_irq (optional) * @mru: the default MRU for the MHI device + * @link_id: the default link * * Fields marked as (required) need to be populated by the controller driver * before calling mhi_register_controller(). For the fields marked as (optional) @@ -445,6 +446,7 @@ struct mhi_controller { bool wake_set; unsigned long irq_flags; u32 mru; + u32 link_id; }; /**