From patchwork Mon Jan 17 14:29:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hector Martin X-Patchwork-Id: 532672 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 B768BC433EF for ; Mon, 17 Jan 2022 14:32:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240146AbiAQOcF (ORCPT ); Mon, 17 Jan 2022 09:32:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38666 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240012AbiAQObq (ORCPT ); Mon, 17 Jan 2022 09:31:46 -0500 Received: from mail.marcansoft.com (marcansoft.com [IPv6:2a01:298:fe:f::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 15885C061763; Mon, 17 Jan 2022 06:31:36 -0800 (PST) Received: from [127.0.0.1] (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: hector@marcansoft.com) by mail.marcansoft.com (Postfix) with ESMTPSA id 2FA3D421F5; Mon, 17 Jan 2022 14:31:26 +0000 (UTC) From: Hector Martin To: Kalle Valo , "David S. Miller" , Jakub Kicinski , Rob Herring , "Rafael J. Wysocki" , Len Brown , Arend van Spriel , Franky Lin , Hante Meuleman , Chi-hsien Lin , Wright Feng , Dmitry Osipenko Cc: Hector Martin , Sven Peter , Alyssa Rosenzweig , Mark Kettenis , =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= , Pieter-Paul Giesberts , Linus Walleij , Hans de Goede , "John W. Linville" , "brian m. carlson" , Andy Shevchenko , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, SHA-cyfmac-dev-list@infineon.com Subject: [PATCH v3 9/9] brcmfmac: pcie: Read the console on init and shutdown Date: Mon, 17 Jan 2022 23:29:19 +0900 Message-Id: <20220117142919.207370-10-marcan@marcan.st> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220117142919.207370-1-marcan@marcan.st> References: <20220117142919.207370-1-marcan@marcan.st> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org This allows us to get console messages if the firmware crashed during early init, or if an operation failed and we're about to shut down. Reviewed-by: Linus Walleij Signed-off-by: Hector Martin Reviewed-by: Arend van Spriel --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c index 3ff4997e1c97..4fe341376a16 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c @@ -744,6 +744,8 @@ static void brcmf_pcie_bus_console_read(struct brcmf_pciedev_info *devinfo, return; console = &devinfo->shared.console; + if (!console->base_addr) + return; addr = console->base_addr + BRCMF_CONSOLE_WRITEIDX_OFFSET; newidx = brcmf_pcie_read_tcm32(devinfo, addr); while (newidx != console->read_idx) { @@ -1520,6 +1522,7 @@ brcmf_pcie_init_share_ram_info(struct brcmf_pciedev_info *devinfo, shared->max_rxbufpost, shared->rx_dataoffset); brcmf_pcie_bus_console_init(devinfo); + brcmf_pcie_bus_console_read(devinfo, false); return 0; } @@ -1959,6 +1962,7 @@ brcmf_pcie_remove(struct pci_dev *pdev) return; devinfo = bus->bus_priv.pcie->devinfo; + brcmf_pcie_bus_console_read(devinfo, false); devinfo->state = BRCMFMAC_PCIE_STATE_DOWN; if (devinfo->ci)