From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.216.100 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793816118; b=fv7sZfUjij6Iy7GWBaU5QlH8hiK/ZRlPL2cxzwYuY0zSXck8jPbyuSQvdXJiPIGLqD4O 7l+SF41BdKpOTnIXaaQev8g2uO6JV26ROLr9G30RoAIztJxmRPVtDqbd92dpgB1a25b5b DGOTunjjpcCYjX9fNNrVYFYH3DwUCcdu3Y+v4ZYYs9ssgFkaPdYpvzezzTCFkkcUZCMIB vyM0GeXVgICMQL038BX56pkc4ltRlRp3jpA8CHxmUSrJcnmu9Zc+jvu0MJwPfWjdr424E 2PX2qI1EBweo5xi1Zise2lqwuO/P6fl0uMPOYWW5gpdO34q7KDYcwLG86KRqxLy51dA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793816118; h=DMARC-Filter:Received:X-Google-DKIM-Signature:X-Forwarded-Encrypted: X-Gm-Message-State:X-Gm-Gg:X-Received:Received:X-Relaying-Domain: X-CFilter-Loop:Received:DKIM-Signature:X-Forwarded-Encrypted: X-Received:X-Received:Received:Message-ID:Date:MIME-Version: User-Agent:Subject:To:Cc:References:Content-Language:From:Autocrypt: In-Reply-To:Content-Type:Content-Transfer-Encoding: X-DetectorID-Processed; bh=3gMaAWh6NQk15R7de3+ypmCGtyxD6uFeXuRwji4RdbQ=; b=E2Vf+6kInd0ZFWoSQLrl4aQJ+aUq12LGQj3O+Vn+lcaVGT4pErsO3gmI/tkj+NrhtI85 fdmRarWUSrVvX7SRwsZ2TnAv8mJcmYsQwVt7ldbGG6JK+j4f+lxNpHPKcXzs3GaVZbbFW RN7+wwoW85LeqttB3A8miBG1j7Sr2ioN7PRoVO/tIcxPduYZ3tqJFYMooV75BNQbc9YP+ 23389Bi2Yx40OWBOnwk0DsUW0AtLDsJ7ztQTBFg3e/6xlgu32U3W7Wkwyd2LMxtn8dTAB zdDjXUcoXIR8RXIPhuT3SeNEhKVWYrX9bbrdCIi8YaN9HtQN5ylu4hyNcKwJs+aRAxg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=broadcom.com; spf=fail smtp.mailfrom=broadcom.com; dkim=pass header.d=broadcom.com header.i=@broadcom.com header.a=rsa-sha256 header.s=google header.b=fFU22zeE; arc=none smtp.remote-ip=209.85.216.100 Received: from mail-pj1-f100.google.com (mail-pj1-f100.google.com [209.85.216.100]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0B307606A31B for ; Wed, 4 Nov 2026 18:15:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 0B307606A31B Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=broadcom.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=broadcom.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=broadcom.com header.i=@broadcom.com header.a=rsa-sha256 header.s=google header.b=fFU22zeE Received: by mail-pj1-f100.google.com with SMTP id 98e67ed59e1d1-3b0a519049aso426682a91.1 for ; Wed, 04 Nov 2026 10:15:17 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1793816117; x=1794420917; h=content-transfer-encoding:content-type:in-reply-to:autocrypt:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:dkim-signature:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to:content-type; bh=3gMaAWh6NQk15R7de3+ypmCGtyxD6uFeXuRwji4RdbQ=; b=MGYTMAWB0CcFJfRa1Ya3WpXClS8IVj3BWNkfPv9klq6saYrTezEPKqLEP/smtUg2KA yNB5TmrxRxFS0Xl4Aa7OZ/MXCAuD8xXRsyUKkb7EYA6QU2WN6KCVvjNfe/UxZ210q0pd +xCw9GP+jNq1sefDCfy5qJYNDfi5rgnrbHgk+GrUYTel4uhTrh4urTsIIhTeymc7u3Uk docLub47iuranSBSIILUvVQjMiHzhe4GsUZFlRRxKcZ79XiGCboQYEHUTuv9SlbRPJAP ctUquPkE1qVcg+U3RBY9tu3Euhbxyg5Fb6EkLWtqxwhzGZmXorQ4sTVYaerJ68Pmf6es ge1A== X-Forwarded-Encrypted: i=1; AKwUvBxzuKI/bQ/IM8btXILmaUwvEZY84IcBBGpydRCyhrV+hxOV04CQ5pIR+sjz+humm4HbTEoHOYxdXnTXbNw=@vger.kernel.org X-Gm-Message-State: APuU4Z+GL1DAkHbRKYabhxetqqEnlwXSkKfGudYNI0mviwyMeMA0+62X riBNCdENefrPvYwtc+UIAnOlCLsL5AaaLK/xWU90azyZ8ST5DaG8t0DpzT2LbCExpgjQkFtQiyJ gRbCsnjAEg8y5QeaXW48uZ9KKyJpjr339mRlNUYBhqDQYesXcKgv4SEFW5qRV0BDlSu4OeN7vh8 VJmU9OkVAbJG8QNAdKyDH+LbTKbLJ8MYOdvOhT5yesWEnmpL/MM6VmBBibhjphYPZ79e0p/YJ0J X/Rw8lJACON4yMfZcpkkpfM4Bs= X-Gm-Gg: AYBFou3seXmI4qHNDMGejggEDbp6Y0sVm8S0uq6/DYeZPwTBvgXjd1Fq4rJXDt0K7fu j3smyGy1dUD1CN5cSm1L57f/4vNdZRU4aI1/e3c7D3WqxOWBxRHnqmBuL8uYIIYLnKPYUFkgyEk LlqP2Pg+J+f2bqOw+pKJzJvDubJIpdOMtcjMBtWPsvFrS5d05YtAjCaDiFxEnnlcs89OfeoPt+I cB4F2r/dVchzHbabtda2pU+l6uQCcaLNIf6XU68nGMV1+GtFjVdau6hPjgq9mNUyQqRv0hL5DBm C4/eUWQH9obQIARCKMLD7SCoLsTFAKOINx15st1TXnN4O6xOHQfFpw3j8APXJIv//mSEPb6Uamm gNMmUkU8S7EKLCYZ6k3AAWJQE4DpJzKqvjUStvDv9VKU5TwRTpXatEDpQ8TLh7eB9bvzNokG5mE E2uOiUUT1TAcw3tRS93/eiEHwGDe0JyzDY2rP7RkCj X-Received: by 2002:a17:90b:164d:b0:3ac:bc3d:6fe5 with SMTP id 98e67ed59e1d1-3ae89576062mr15612513a91.7.1793816117458; Wed, 04 Nov 2026 10:15:17 -0800 (PST) Received: from smtp-us-east1-p01-i01-si01.dlp.protect.broadcom.com (address-144-49-247-13.dlp.protect.broadcom.com. [144.49.247.13]) by smtp-relay.gmail.com with ESMTPS id 98e67ed59e1d1-3b0b315a3f7sm51590a91.1.2026.11.04.10.15.17 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 04 Nov 2026 10:15:17 -0800 (PST) X-Relaying-Domain: broadcom.com X-CFilter-Loop: Reflected Received: by mail-qv1-f69.google.com with SMTP id 6a1803df08f44-91c0f73807eso14307766d6.0 for ; Wed, 04 Nov 2026 10:15:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1793816116; x=1794420916; darn=vger.kernel.org; h=content-transfer-encoding:content-type:in-reply-to:autocrypt:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to :content-type; bh=3gMaAWh6NQk15R7de3+ypmCGtyxD6uFeXuRwji4RdbQ=; b=fFU22zeEOUr9v1KGFgGKhFk6YuxSVedNvOcme4Px9/eBMcFh9dKyJAPf/bi5voOqie EaG1Ce+t4FxlJ8mjQ8R/Sn/OWtj5BK9lrDsKVGpfWrPll1QDqICGtbrf1IurlCZK8qPf aI/hcSHaPEL5OjGxjizH0TF6X3Q5+uSGpLwyY= X-Forwarded-Encrypted: i=1; AKwUvByjXbbIokTYwGpfDbQX4FcQ+RL4jKlXzTOlbUuqLDKSU7nxS4TB8dq+g/CCQoKTq7t9Ccbl++BVqiog8JQ=@vger.kernel.org X-Received: by 2002:a05:6214:8110:b0:91c:61e8:f9cb with SMTP id 6a1803df08f44-91e792ee5eamr60525346d6.35.1793816115985; Wed, 04 Nov 2026 10:15:15 -0800 (PST) X-Received: by 2002:a05:6214:8110:b0:91c:61e8:f9cb with SMTP id 6a1803df08f44-91e792ee5eamr60524216d6.35.1793816115094; Wed, 04 Nov 2026 10:15:15 -0800 (PST) Received: from [10.14.197.69] ([192.19.161.248]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-91e7dfba098sm25119636d6.12.2026.11.04.10.15.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 04 Nov 2026 10:15:14 -0800 (PST) Message-ID: <675d9836-4958-460e-83e5-159627c8b0de@broadcom.com> Date: Wed, 4 Nov 2026 10:15:11 -0800 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 2/5] bcma: scan: support big-endian backplanes To: Alessio Ferri , Rob Herring , Krzysztof Kozlowski , Conor Dooley , =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= , Philipp Zabel , Broadcom internal kernel review list , Thomas Bogendoerfer , Jonas Gorski Cc: linux-wireless@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org References: <20261104-bcm6362-wlan-v3-0-e46562b2ac12@mythread.it> <20261104-bcm6362-wlan-v3-2-e46562b2ac12@mythread.it> Content-Language: en-US From: Florian Fainelli Autocrypt: addr=florian.fainelli@broadcom.com; keydata= xsBNBFPAG8ABCAC3EO02urEwipgbUNJ1r6oI2Vr/+uE389lSEShN2PmL3MVnzhViSAtrYxeT M0Txqn1tOWoIc4QUl6Ggqf5KP6FoRkCrgMMTnUAINsINYXK+3OLe7HjP10h2jDRX4Ajs4Ghs JrZOBru6rH0YrgAhr6O5gG7NE1jhly+EsOa2MpwOiXO4DE/YKZGuVe6Bh87WqmILs9KvnNrQ PcycQnYKTVpqE95d4M824M5cuRB6D1GrYovCsjA9uxo22kPdOoQRAu5gBBn3AdtALFyQj9DQ KQuc39/i/Kt6XLZ/RsBc6qLs+p+JnEuPJngTSfWvzGjpx0nkwCMi4yBb+xk7Hki4kEslABEB AAHNMEZsb3JpYW4gRmFpbmVsbGkgPGZsb3JpYW4uZmFpbmVsbGlAYnJvYWRjb20uY29tPsLB IQQQAQgAywUCZWl41AUJI+Jo+hcKAAG/SMv+fS3xUQWa0NryPuoRGjsA3SAUAAAAAAAWAAFr ZXktdXNhZ2UtbWFza0BwZ3AuY29tjDAUgAAAAAAgAAdwcmVmZXJyZWQtZW1haWwtZW5jb2Rp bmdAcGdwLmNvbXBncG1pbWUICwkIBwMCAQoFF4AAAAAZGGxkYXA6Ly9rZXlzLmJyb2FkY29t Lm5ldAUbAwAAAAMWAgEFHgEAAAAEFQgJChYhBNXZKpfnkVze1+R8aIExtcQpvGagAAoJEIEx tcQpvGagWPEH/2l0DNr9QkTwJUxOoP9wgHfmVhqc0ZlDsBFv91I3BbhGKI5UATbipKNqG13Z TsBrJHcrnCqnTRS+8n9/myOF0ng2A4YT0EJnayzHugXm+hrkO5O9UEPJ8a+0553VqyoFhHqA zjxj8fUu1px5cbb4R9G4UAySqyeLLeqnYLCKb4+GklGSBGsLMYvLmIDNYlkhMdnnzsSUAS61 WJYW6jjnzMwuKJ0ZHv7xZvSHyhIsFRiYiEs44kiYjbUUMcXor/uLEuTIazGrE3MahuGdjpT2 IOjoMiTsbMc0yfhHp6G/2E769oDXMVxCCbMVpA+LUtVIQEA+8Zr6mX0Yk4nDS7OiBlvOwE0E U8AbwQEIAKxr71oqe+0+MYCc7WafWEcpQHFUwvYLcdBoOnmJPxDwDRpvU5LhqSPvk/yJdh9k 4xUDQu3rm1qIW2I9Puk5n/Jz/lZsqGw8T13DKyu8eMcvaA/irm9lX9El27DPHy/0qsxmxVmU pu9y9S+BmaMb2CM9IuyxMWEl9ruWFS2jAWh/R8CrdnL6+zLk60R7XGzmSJqF09vYNlJ6Bdbs MWDXkYWWP5Ub1ZJGNJQ4qT7g8IN0qXxzLQsmz6tbgLMEHYBGx80bBF8AkdThd6SLhreCN7Uh IR/5NXGqotAZao2xlDpJLuOMQtoH9WVNuuxQQZHVd8if+yp6yRJ5DAmIUt5CCPcAEQEAAcLB gQQYAQIBKwUCU8AbwgUbDAAAAMBdIAQZAQgABgUCU8AbwQAKCRCTYAaomC8PVQ0VCACWk3n+ obFABEp5Rg6Qvspi9kWXcwCcfZV41OIYWhXMoc57ssjCand5noZi8bKg0bxw4qsg+9cNgZ3P N/DFWcNKcAT3Z2/4fTnJqdJS//YcEhlr8uGs+ZWFcqAPbteFCM4dGDRruo69IrHfyyQGx16s CcFlrN8vD066RKevFepb/ml7eYEdN5SRALyEdQMKeCSf3mectdoECEqdF/MWpfWIYQ1hEfdm C2Kztm+h3Nkt9ZQLqc3wsPJZmbD9T0c9Rphfypgw/SfTf2/CHoYVkKqwUIzI59itl5Lze+R5 wDByhWHx2Ud2R7SudmT9XK1e0x7W7a5z11Q6vrzuED5nQvkhAAoJEIExtcQpvGagugcIAJd5 EYe6KM6Y6RvI6TvHp+QgbU5dxvjqSiSvam0Ms3QrLidCtantcGT2Wz/2PlbZqkoJxMQc40rb fXa4xQSvJYj0GWpadrDJUvUu3LEsunDCxdWrmbmwGRKqZraV2oG7YEddmDqOe0Xm/NxeSobc MIlnaE6V0U8f5zNHB7Y46yJjjYT/Ds1TJo3pvwevDWPvv6rdBeV07D9s43frUS6xYd1uFxHC 7dZYWJjZmyUf5evr1W1gCgwLXG0PEi9n3qmz1lelQ8lSocmvxBKtMbX/OKhAfuP/iIwnTsww 95A2SaPiQZA51NywV8OFgsN0ITl2PlZ4Tp9hHERDe6nQCsNI/Us= In-Reply-To: <20261104-bcm6362-wlan-v3-2-e46562b2ac12@mythread.it> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e On 11/3/2026 3:30 PM, Alessio Ferri wrote: > On some SoCs the bcma backplane is a big-endian peripheral, so the > ChipCommon ID/EROM pointer registers and the EROM itself read wrong > with readl(). > > Add a big_endian flag to struct bcma_bus, set by the host driver > before bcma_init_bus(), and use ioread32be() for scan-time accesses > when it is set. Core register accesses after the scan already go > through the host ops, which the host driver provides with the right > endianness. > > Nothing changes for other devices. > > Signed-off-by: Alessio Ferri Reviewed-by: Florian Fainelli -- Florian