From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 952FBC4361B for ; Mon, 14 Dec 2020 17:33:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 587272312D for ; Mon, 14 Dec 2020 17:33:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405204AbgLNRd3 (ORCPT ); Mon, 14 Dec 2020 12:33:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45236 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725843AbgLNRdM (ORCPT ); Mon, 14 Dec 2020 12:33:12 -0500 Received: from mail-pl1-x643.google.com (mail-pl1-x643.google.com [IPv6:2607:f8b0:4864:20::643]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EDBB3C061793; Mon, 14 Dec 2020 09:32:31 -0800 (PST) Received: by mail-pl1-x643.google.com with SMTP id r4so8995537pls.11; Mon, 14 Dec 2020 09:32:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:autocrypt:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=TfwxQFi/fSDA4q4SqOKG+D3Wxhg5vJQI103NpWc2w8k=; b=Jv9nMhj0JMx5lvzypklQCyMgkMUx3MgOf1dFZYHXGNEpFi2M6G2rNT/QfIVwMVnIT2 gQdlUb60YheZmqqnlZCiwWWhV/E1vvGKdzSayUkSedZ9IfMows4NJFplWVtvVznIigfs DvxsycGUXx+NhyaOatv+M+OsupWtE10TniHWad05RdMrpbdcHzF/ujZLTUgOVvyv+nfr PcIEGRs3pHbFE+BT/51oQ15qiKOyAD7Hkv/zFguWcIfORjOWmC9DtCf1w22j8ALzCq0I 7XuQ5y3QwjduxJ5VIc3pFQD0sobbVvxTgnz9rMiketBEAjSML6v/akgwZxzwo9IqK7gt lKiw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=TfwxQFi/fSDA4q4SqOKG+D3Wxhg5vJQI103NpWc2w8k=; b=VxV7L04Gmk3a7iYM6PULEWzVvj4rFlR6XUVWpOF2osPUEAqz1ADw0rtMapanuoytot xMwc3ucwZYAVrT8zl2LIvxQ+EvJGKxIWRClCFSe2qah0ZI8u2LYtfr+Z2o+7df46Bm/I GeAVoRpZsRV1JFG3rxClY4UYG0Zvxq6suDFY7uDmpO70hrRW9yai9eIBkqpWzc+xXi7x VcNqGexSuxhSZAdZdt78Sz1/Bs1FNf+bD4Qw3319tIip7UcbCEI/0k8W1NHwEcCJlZvr UCghhhb4DBNVVTmkZi+tuYCzwopVxD5zhbimfIGRzoMuD47XYMXNU31FA/Y/AWBe0BHp VAUA== X-Gm-Message-State: AOAM532nRK/oO3zpoGuuj4Cj5YOCgRDKSVFAeuwOGei+mt0hXc2WH8Ir 72dni4ofKMCntzDckkcFNAPMGUogEK0= X-Google-Smtp-Source: ABdhPJxkjdSQQBbod30zDzPDxOx/VEfYl+7oEg7kzZlQtU0WYFp/v3Tk5/KzgICT+xjww0SHApfEdA== X-Received: by 2002:a17:90a:4402:: with SMTP id s2mr26459778pjg.37.1607967151183; Mon, 14 Dec 2020 09:32:31 -0800 (PST) Received: from [10.67.48.230] ([192.19.223.252]) by smtp.googlemail.com with ESMTPSA id 5sm10381687pff.125.2020.12.14.09.32.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 14 Dec 2020 09:32:30 -0800 (PST) Subject: Re: [PATCH 2/2] soc: bcm: add PM driver for Broadcom's PMB To: =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= , =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= , Rob Herring Cc: Philipp Zabel , "Rafael J . Wysocki" , Kevin Hilman , Ulf Hansson , devicetree@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linux-kernel@vger.kernel.org References: <20201211215942.5726-1-zajec5@gmail.com> <20201211215942.5726-3-zajec5@gmail.com> <3bc097fa-3bef-396f-a4fd-fa8acbc1b71d@gmail.com> <18ebb7ab-2a45-f9fb-a094-0e63d44eadad@milecki.pl> From: Florian Fainelli Autocrypt: addr=f.fainelli@gmail.com; prefer-encrypt=mutual; keydata= mQGiBEjPuBIRBACW9MxSJU9fvEOCTnRNqG/13rAGsj+vJqontvoDSNxRgmafP8d3nesnqPyR xGlkaOSDuu09rxuW+69Y2f1TzjFuGpBk4ysWOR85O2Nx8AJ6fYGCoeTbovrNlGT1M9obSFGQ X3IzRnWoqlfudjTO5TKoqkbOgpYqIo5n1QbEjCCwCwCg3DOH/4ug2AUUlcIT9/l3pGvoRJ0E AICDzi3l7pmC5IWn2n1mvP5247urtHFs/uusE827DDj3K8Upn2vYiOFMBhGsxAk6YKV6IP0d ZdWX6fqkJJlu9cSDvWtO1hXeHIfQIE/xcqvlRH783KrihLcsmnBqOiS6rJDO2x1eAgC8meAX SAgsrBhcgGl2Rl5gh/jkeA5ykwbxA/9u1eEuL70Qzt5APJmqVXR+kWvrqdBVPoUNy/tQ8mYc nzJJ63ng3tHhnwHXZOu8hL4nqwlYHRa9eeglXYhBqja4ZvIvCEqSmEukfivk+DlIgVoOAJbh qIWgvr3SIEuR6ayY3f5j0f2ejUMYlYYnKdiHXFlF9uXm1ELrb0YX4GMHz7QnRmxvcmlhbiBG YWluZWxsaSA8Zi5mYWluZWxsaUBnbWFpbC5jb20+iGYEExECACYCGyMGCwkIBwMCBBUCCAME FgIDAQIeAQIXgAUCVF/S8QUJHlwd3wAKCRBhV5kVtWN2DvCVAJ4u4/bPF4P3jxb4qEY8I2gS 6hG0gACffNWlqJ2T4wSSn+3o7CCZNd7SLSC5BA0ESM+4EhAQAL/o09boR9D3Vk1Tt7+gpYr3 WQ6hgYVON905q2ndEoA2J0dQxJNRw3snabHDDzQBAcqOvdi7YidfBVdKi0wxHhSuRBfuOppu pdXkb7zxuPQuSveCLqqZWRQ+Cc2QgF7SBqgznbe6Ngout5qXY5Dcagk9LqFNGhJQzUGHAsIs hap1f0B1PoUyUNeEInV98D8Xd/edM3mhO9nRpUXRK9Bvt4iEZUXGuVtZLT52nK6Wv2EZ1TiT OiqZlf1P+vxYLBx9eKmabPdm3yjalhY8yr1S1vL0gSA/C6W1o/TowdieF1rWN/MYHlkpyj9c Rpc281gAO0AP3V1G00YzBEdYyi0gaJbCEQnq8Vz1vDXFxHzyhgGz7umBsVKmYwZgA8DrrB0M oaP35wuGR3RJcaG30AnJpEDkBYHznI2apxdcuTPOHZyEilIRrBGzDwGtAhldzlBoBwE3Z3MY 31TOpACu1ZpNOMysZ6xiE35pWkwc0KYm4hJA5GFfmWSN6DniimW3pmdDIiw4Ifcx8b3mFrRO BbDIW13E51j9RjbO/nAaK9ndZ5LRO1B/8Fwat7bLzmsCiEXOJY7NNpIEpkoNoEUfCcZwmLrU +eOTPzaF6drw6ayewEi5yzPg3TAT6FV3oBsNg3xlwU0gPK3v6gYPX5w9+ovPZ1/qqNfOrbsE FRuiSVsZQ5s3AAMFD/9XjlnnVDh9GX/r/6hjmr4U9tEsM+VQXaVXqZuHKaSmojOLUCP/YVQo 7IiYaNssCS4FCPe4yrL4FJJfJAsbeyDykMN7wAnBcOkbZ9BPJPNCbqU6dowLOiy8AuTYQ48m vIyQ4Ijnb6GTrtxIUDQeOBNuQC/gyyx3nbL/lVlHbxr4tb6YkhkO6shjXhQh7nQb33FjGO4P WU11Nr9i/qoV8QCo12MQEo244RRA6VMud06y/E449rWZFSTwGqb0FS0seTcYNvxt8PB2izX+ HZA8SL54j479ubxhfuoTu5nXdtFYFj5Lj5x34LKPx7MpgAmj0H7SDhpFWF2FzcC1bjiW9mjW HaKaX23Awt97AqQZXegbfkJwX2Y53ufq8Np3e1542lh3/mpiGSilCsaTahEGrHK+lIusl6mz Joil+u3k01ofvJMK0ZdzGUZ/aPMZ16LofjFA+MNxWrZFrkYmiGdv+LG45zSlZyIvzSiG2lKy kuVag+IijCIom78P9jRtB1q1Q5lwZp2TLAJlz92DmFwBg1hyFzwDADjZ2nrDxKUiybXIgZp9 aU2d++ptEGCVJOfEW4qpWCCLPbOT7XBr+g/4H3qWbs3j/cDDq7LuVYIe+wchy/iXEJaQVeTC y5arMQorqTFWlEOgRA8OP47L9knl9i4xuR0euV6DChDrguup2aJVU4hPBBgRAgAPAhsMBQJU X9LxBQkeXB3fAAoJEGFXmRW1Y3YOj4UAn3nrFLPZekMeqX5aD/aq/dsbXSfyAKC45Go0YyxV HGuUuzv+GKZ6nsysJ7kCDQRXG8fwARAA6q/pqBi5PjHcOAUgk2/2LR5LjjesK50bCaD4JuNc YDhFR7Vs108diBtsho3w8WRd9viOqDrhLJTroVckkk74OY8r+3t1E0Dd4wHWHQZsAeUvOwDM PQMqTUBFuMi6ydzTZpFA2wBR9x6ofl8Ax+zaGBcFrRlQnhsuXLnM1uuvS39+pmzIjasZBP2H UPk5ifigXcpelKmj6iskP3c8QN6x6GjUSmYx+xUfs/GNVSU1XOZn61wgPDbgINJd/THGdqiO iJxCLuTMqlSsmh1+E1dSdfYkCb93R/0ZHvMKWlAx7MnaFgBfsG8FqNtZu3PCLfizyVYYjXbV WO1A23riZKqwrSJAATo5iTS65BuYxrFsFNPrf7TitM8E76BEBZk0OZBvZxMuOs6Z1qI8YKVK UrHVGFq3NbuPWCdRul9SX3VfOunr9Gv0GABnJ0ET+K7nspax0xqq7zgnM71QEaiaH17IFYGS sG34V7Wo3vyQzsk7qLf9Ajno0DhJ+VX43g8+AjxOMNVrGCt9RNXSBVpyv2AMTlWCdJ5KI6V4 KEzWM4HJm7QlNKE6RPoBxJVbSQLPd9St3h7mxLcne4l7NK9eNgNnneT7QZL8fL//s9K8Ns1W t60uQNYvbhKDG7+/yLcmJgjF74XkGvxCmTA1rW2bsUriM533nG9gAOUFQjURkwI8jvMAEQEA AYkCaAQYEQIACQUCVxvH8AIbAgIpCRBhV5kVtWN2DsFdIAQZAQIABgUCVxvH8AAKCRCH0Jac RAcHBIkHD/9nmfog7X2ZXMzL9ktT++7x+W/QBrSTCTmq8PK+69+INN1ZDOrY8uz6htfTLV9+ e2W6G8/7zIvODuHk7r+yQ585XbplgP0V5Xc8iBHdBgXbqnY5zBrcH+Q/oQ2STalEvaGHqNoD UGyLQ/fiKoLZTPMur57Fy1c9rTuKiSdMgnT0FPfWVDfpR2Ds0gpqWePlRuRGOoCln5GnREA/ 2MW2rWf+CO9kbIR+66j8b4RUJqIK3dWn9xbENh/aqxfonGTCZQ2zC4sLd25DQA4w1itPo+f5 V/SQxuhnlQkTOCdJ7b/mby/pNRz1lsLkjnXueLILj7gNjwTabZXYtL16z24qkDTI1x3g98R/ xunb3/fQwR8FY5/zRvXJq5us/nLvIvOmVwZFkwXc+AF+LSIajqQz9XbXeIP/BDjlBNXRZNdo dVuSU51ENcMcilPr2EUnqEAqeczsCGpnvRCLfVQeSZr2L9N4svNhhfPOEscYhhpHTh0VPyxI pPBNKq+byuYPMyk3nj814NKhImK0O4gTyCK9b+gZAVvQcYAXvSouCnTZeJRrNHJFTgTgu6E0 caxTGgc5zzQHeX67eMzrGomG3ZnIxmd1sAbgvJUDaD2GrYlulfwGWwWyTNbWRvMighVdPkSF 6XFgQaosWxkV0OELLy2N485YrTr2Uq64VKyxpncLh50e2RnyAJ9Za0Dx0yyp44iD1OvHtkEI M5kY0ACeNhCZJvZ5g4C2Lc9fcTHu8jxmEkI= Message-ID: <55a37742-1f4e-3697-e0e2-e42d67d75e07@gmail.com> Date: Mon, 14 Dec 2020 09:32:16 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <18ebb7ab-2a45-f9fb-a094-0e63d44eadad@milecki.pl> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/14/20 4:24 AM, Rafał Miłecki wrote: > On 11.12.2020 23:08, Florian Fainelli wrote: >> On 12/11/20 1:59 PM, Rafał Miłecki wrote: >>> From: Rafał Miłecki >>> >>> PMB can be found on BCM4908 and many other chipsets (e.g. BCM63138). >>> It's needed to power on and off SoC blocks like PCIe, SATA, USB. >>> >>> Signed-off-by: Rafał Miłecki >> >> I will do a more thorough review tonight, however do you mind moving the >> driver under drives/soc/bcm/bcm63xx? The first SoC that had PMB was >> 63138 and that one is DSL. > > I now realized that bcm63xx's: > * Kconfig is wrapper in: if SOC_BCM63XX > * Makefile is conditional: obj-$(CONFIG_SOC_BCM63XX) > > So it means I've to either: > 1. Refactor bcm63xx structure > 2. Make SOC_BCM63XX selectable on ARCH_BCM4908 and select it > > I'm not sure if any of above is a really good idea. Any further thought, > ideas? Well, I was thinking about thing along those lines below, it's really about putting drivers that belong to the same SoC family in the same basket for easier maintenance while submitting patches/pull requests from my side. diff --git a/drivers/soc/bcm/Makefile b/drivers/soc/bcm/Makefile index 7bc90e0bd773..0f0efa28d92b 100644 --- a/drivers/soc/bcm/Makefile +++ b/drivers/soc/bcm/Makefile @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_BCM2835_POWER) += bcm2835-power.o obj-$(CONFIG_RASPBERRYPI_POWER) += raspberrypi-power.o -obj-$(CONFIG_SOC_BCM63XX) += bcm63xx/ +obj-y += bcm63xx/ obj-$(CONFIG_SOC_BRCMSTB) += brcmstb/ diff --git a/drivers/soc/bcm/bcm63xx/Kconfig b/drivers/soc/bcm/bcm63xx/Kconfig index 16f648a6c70a..76fb61e7377e 100644 --- a/drivers/soc/bcm/bcm63xx/Kconfig +++ b/drivers/soc/bcm/bcm63xx/Kconfig @@ -10,3 +10,8 @@ config BCM63XX_POWER BCM6318, BCM6328, BCM6362 and BCM63268 SoCs. endif # SOC_BCM63XX + +config BCM_PMB_POWER + tristate "Broadcom PMB bus power domain driver" + depends on BMIPS_GENERIC || ARCH_BCM4908 || COMPILE_TEST + default ARCH_BCM4908 -- Florian