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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 326EEC433F5 for ; Mon, 8 Nov 2021 15:13:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1A9A86120A for ; Mon, 8 Nov 2021 15:13:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238720AbhKHPQM (ORCPT ); Mon, 8 Nov 2021 10:16:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51106 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236594AbhKHPPu (ORCPT ); Mon, 8 Nov 2021 10:15:50 -0500 Received: from mail-ua1-x92a.google.com (mail-ua1-x92a.google.com [IPv6:2607:f8b0:4864:20::92a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4977C061570 for ; Mon, 8 Nov 2021 07:12:57 -0800 (PST) Received: by mail-ua1-x92a.google.com with SMTP id az37so32106802uab.13 for ; Mon, 08 Nov 2021 07:12:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=9UlUS6saUywHZK/umS0DUBOD5AkBYetajHFNSpyoE4w=; b=DOcAXZ4Mw2ea+GyAjENB23bTtsIuOKuEdvjP+XRgtsReT5UUBjNtxggSSHvwj6MdR8 V1+45UigKcj1QpVD+lmvp+U5Ibx93g+Eg1cvWvUM+mbtLBoTKvCS/9CMdFiN0mXO0mlz 5FmGehJD++jz8ghPFbjeJp+omeR8ITegBIet9Hx6WXG9x3lox7s/1+Jn3C/FUm38gOrH z8Aq/5yqJWPYvOtpapyknlpcmGVFkA+aQhwhcO3MP6FIbH0LWdNE14hlOJb6V7zlZjLE 4P0N1a5gsR40AhaMiXjGk9HkIfCkgYHI3HOh/ioR5P3Fj+Pt4D1+LQrlK92yfLcYdqLs xLqw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=9UlUS6saUywHZK/umS0DUBOD5AkBYetajHFNSpyoE4w=; b=vBC5a3ppBBGbOYeEJ08N4frtN3rIDJV1sa+7myayfg8hvc7OdnKpGWqMoBHubGuE/r he4vddnLckoRj1YxL2VwztTVwoQmfOtUKcLGbY7vQRIIE5EbHRwHAS2I7XdcAwaUGcjO mFjl1ouK8OT7ch2le/86ZpPyxh22HlKxyTJaUJc8bkIMH+/Mk//5dvc0f40SEjLoIo5k khFpj9O5aVWXxIhFqa4p87U4b52skSr2y5DEMdsLbsY+5Oir7lWaDOwC42Uddi1gsjrx Q6b9F/8EUKIJf7VFJ2h05vzWKSmONSBlBULWG2KhhQVdKY6dgEdJBoLNRrNmFOJY9FYJ Wq8Q== X-Gm-Message-State: AOAM5307ykSQfxQKpXjjly0EPp17AzsnSELpCKKgqPQnuvJCTYKIyaBi 0BkrTv9MFYBdV882aIQoYgeOD6K7fr+SD6uAdnxpnw== X-Google-Smtp-Source: ABdhPJxGuRiXWJL0tUJhvhSH15xu8O6PSly0XUSVcpnNraXIznd7K+XJ1EfcXrgS3fbjV/7ZTx1T0mHyGs+pQ/qL0zs= X-Received: by 2002:a05:6102:3ece:: with SMTP id n14mr108075vsv.55.1636384376768; Mon, 08 Nov 2021 07:12:56 -0800 (PST) MIME-Version: 1.0 References: <20211108134901.20490-1-semen.protsenko@linaro.org> <20211108134901.20490-2-semen.protsenko@linaro.org> <433f2d77-90d0-53d9-2e04-a8c5feb16349@canonical.com> In-Reply-To: <433f2d77-90d0-53d9-2e04-a8c5feb16349@canonical.com> From: Sam Protsenko Date: Mon, 8 Nov 2021 17:12:44 +0200 Message-ID: Subject: Re: [PATCH 2/2] arm64: defconfig: Enable Samsung I2C driver To: Krzysztof Kozlowski Cc: Catalin Marinas , Will Deacon , Will McVicker , Russell King , Arnd Bergmann , Andrew Morton , Geert Uytterhoeven , Michael Ellerman , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-i2c@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 8 Nov 2021 at 16:18, Krzysztof Kozlowski wrote: > > On 08/11/2021 14:49, Sam Protsenko wrote: > > i2c-s3c2410 driver is needed for some arm64 Exynos SoCs, e.g. Exynos850. > > > > Signed-off-by: Sam Protsenko > > --- > > arch/arm64/configs/defconfig | 1 + > > 1 file changed, 1 insertion(+) > > Hm, that's a little bit unexpected. I thought you will be also using the > HSI2C driver (where Jaewon is adding USI support). > Thought you'd ask :) Exynos850 has both I2C and HSI2C blocks: - I2C is a regular I2C, and uses s3c2410-i2c driver - whilst HSI2C is a high-speed I2C (used for example for cameras), and uses exynos5-hsi2c driver I'll look into HSI2C enablement on Exynos850 soon as well, so Jaewon's patches might be helpful for my case too -- didn't check that yet. > Best regards, > Krzysztof