From patchwork Tue Jan 23 16:36:24 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Garry X-Patchwork-Id: 10180629 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EC244601D5 for ; Tue, 23 Jan 2018 15:47:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CCFD92842A for ; Tue, 23 Jan 2018 15:47:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C132B287CB; Tue, 23 Jan 2018 15:47:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4EF632842A for ; Tue, 23 Jan 2018 15:47:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752242AbeAWPpj (ORCPT ); Tue, 23 Jan 2018 10:45:39 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:4683 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751615AbeAWPpf (ORCPT ); Tue, 23 Jan 2018 10:45:35 -0500 Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 99F8629A0A415; Tue, 23 Jan 2018 23:45:07 +0800 (CST) Received: from localhost.localdomain (10.67.212.75) by DGGEMS408-HUB.china.huawei.com (10.3.19.208) with Microsoft SMTP Server id 14.3.361.1; Tue, 23 Jan 2018 23:45:00 +0800 From: John Garry To: , , , , , , , , , , CC: , , , , , , , , , John Garry , Zhichang Yuan , "Gabriele Paoloni" Subject: [PATCH v12 8/9] LPC, ACPI: Add the HISI LPC ACPI support Date: Wed, 24 Jan 2018 00:36:24 +0800 Message-ID: <1516725385-24535-9-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1516725385-24535-1-git-send-email-john.garry@huawei.com> References: <1516725385-24535-1-git-send-email-john.garry@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Based on the previous patches, this patch supports the LPC host on Hip06/Hip07 for ACPI FW. Signed-off-by: John Garry Signed-off-by: Zhichang Yuan Signed-off-by: Gabriele Paoloni Tested-by: Dann Frazier --- drivers/acpi/arm64/acpi_indirectio.c | 11 ++++++++++- drivers/bus/hisi_lpc.c | 17 ++++++++++++++++- 2 files changed, 26 insertions(+), 2 deletions(-) diff --git a/drivers/acpi/arm64/acpi_indirectio.c b/drivers/acpi/arm64/acpi_indirectio.c index 2649f57..6403f84 100644 --- a/drivers/acpi/arm64/acpi_indirectio.c +++ b/drivers/acpi/arm64/acpi_indirectio.c @@ -142,7 +142,7 @@ int acpi_indirectio_set_logicio_res(struct device *child, return ret; } -int +static int acpi_indirectio_pre_setup(struct acpi_device *adev, struct acpi_indirectio_host_data *pdata) { @@ -239,8 +239,17 @@ int acpi_indirectio_set_logicio_res(struct device *child, return ret; } +const struct acpi_indirectio_device_desc hisi_lpc_host_desc = { + .pdata = { + .io_size = PIO_INDIRECT_SIZE, + .io_start = 0, + }, + .pre_setup = acpi_indirectio_pre_setup, +}; + /* All the host devices which apply indirect-IO can be listed here. */ static const struct acpi_device_id acpi_indirect_host_id[] = { + {"HISI0191", INDIRECT_IO_INFO(hisi_lpc_host_desc)}, {""}, }; diff --git a/drivers/bus/hisi_lpc.c b/drivers/bus/hisi_lpc.c index 4ce089a..9cabb84 100644 --- a/drivers/bus/hisi_lpc.c +++ b/drivers/bus/hisi_lpc.c @@ -457,7 +457,13 @@ static int hisilpc_probe(struct platform_device *pdev) } /* register the LPC host PIO resources */ - { + if (has_acpi_companion(dev)) { + lpcdev->io_host = find_io_range_by_fwnode(dev->fwnode); + if (!lpcdev->io_host) { + dev_err(dev, "range not registered!\n"); + return -EFAULT; + } + } else { struct logic_pio_hwaddr *range; range = devm_kzalloc(dev, sizeof(*range), GFP_KERNEL); @@ -515,10 +521,19 @@ static int hisilpc_probe(struct platform_device *pdev) {}, }; +#ifdef CONFIG_ACPI +static const struct acpi_device_id hisilpc_acpi_match[] = { + {"HISI0191", }, + {}, +}; + +#endif + static struct platform_driver hisilpc_driver = { .driver = { .name = "hisi_lpc", .of_match_table = hisilpc_of_match, + .acpi_match_table = ACPI_PTR(hisilpc_acpi_match), }, .probe = hisilpc_probe, };