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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F3027C433F5 for ; Mon, 28 Feb 2022 06:32:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233214AbiB1Gcg (ORCPT ); Mon, 28 Feb 2022 01:32:36 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44686 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230426AbiB1Gcd (ORCPT ); Mon, 28 Feb 2022 01:32:33 -0500 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3EE6366AEE; Sun, 27 Feb 2022 22:31:51 -0800 (PST) X-UUID: 0c799af26bd143059e76df4223db007f-20220228 X-UUID: 0c799af26bd143059e76df4223db007f-20220228 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 2031467842; Mon, 28 Feb 2022 14:31:43 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Mon, 28 Feb 2022 14:31:42 +0800 Received: from mhfsdcap04 (10.17.3.154) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 28 Feb 2022 14:31:41 +0800 Message-ID: Subject: Re: [PATCH v10,1/1] i2c: mediatek: modify bus speed calculation formula From: Qii Wang To: Kewei Xu , CC: , , , , , , , , , , , , , , Date: Mon, 28 Feb 2022 14:31:41 +0800 In-Reply-To: <1645100563-59441-2-git-send-email-kewei.xu@mediatek.com> References: <1645100563-59441-1-git-send-email-kewei.xu@mediatek.com> <1645100563-59441-2-git-send-email-kewei.xu@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.2 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2022-02-17 at 20:22 +0800, Kewei Xu wrote: > When clock-div is 0 or greater than 1, the bus speed > calculated by the old speed calculation formula will be > larger than the target speed. So we update the formula. > > Signed-off-by: Kewei Xu > Reviewed-by: AngeloGioacchino Del Regno < > angelogioacchino.delregno@collabora.com> Reviewed-by: Qii Wang > --- > drivers/i2c/busses/i2c-mt65xx.c | 51 > +++++++++++++++++++++++++++++++++-------- > 1 file changed, 41 insertions(+), 10 deletions(-) > 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E18C3C433EF for ; Mon, 28 Feb 2022 06:32:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Date:CC:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=quFby8x/dv6egYHhj8U86YurD1KRcfo5OVmB4P0FMfw=; b=afxQpYL3kXnu0k ykuSZb9FlrZ4+7o9zPklwxE6Gmal1O107u/5yThUXLvXu6bjRGLVGP6TFwjAKM0QFR+4qa+5y8xll yE059mQcGX5jJimpfx21IyoysHV4c0zTzkORXH61PbQTsW1HSbuJMdNsRv2szPCMpFml+SgUFdrm9 7ChBSc2ZE10X/qsSo2p97TFXMjvx4H7XePzch57ccpOXoFluuDRADPuN2KhI1lhYwhq9hm5w79YBa mxT4s3ryFV8SYpUWhiDHnA7BDU3n+vKTUxgOi/mz4iYWpO2VlfzakF/OUzipdDRKsGL6DOVuPTy8j uXmahdkvo38rUDWOqxDQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nOZa1-00AtFU-5C; Mon, 28 Feb 2022 06:32:21 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nOZZo-00AtCo-Im; Mon, 28 Feb 2022 06:32:09 +0000 X-UUID: 42012c9350ba4bc1883e7d843d164306-20220227 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=jLcDc7bXe4PFiEShcYy9OcXei2WSTRogHhT/GGeYfj8=; b=RwbiX/rvChm/DeUsCrXyquaKAl7n0k/dXTvieTP4qY3+QXoSKzE3DAOm4+43GVcONNpkqznFg6v0AQ+37IbUh2VRa71rkgwAq8+W4ZazSZEp5v0umPTXweCyKP2BuRQByC//fEQ/Y4MM/1hzVsnpVFbI4BBnO/ewk5U2TRBSCys=; X-UUID: 42012c9350ba4bc1883e7d843d164306-20220227 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1875019372; Sun, 27 Feb 2022 23:31:45 -0700 Received: from mtkmbs10n1.mediatek.inc (172.21.101.34) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 27 Feb 2022 22:31:44 -0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Mon, 28 Feb 2022 14:31:42 +0800 Received: from mhfsdcap04 (10.17.3.154) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 28 Feb 2022 14:31:41 +0800 Message-ID: Subject: Re: [PATCH v10,1/1] i2c: mediatek: modify bus speed calculation formula From: Qii Wang To: Kewei Xu , CC: , , , , , , , , , , , , , , Date: Mon, 28 Feb 2022 14:31:41 +0800 In-Reply-To: <1645100563-59441-2-git-send-email-kewei.xu@mediatek.com> References: <1645100563-59441-1-git-send-email-kewei.xu@mediatek.com> <1645100563-59441-2-git-send-email-kewei.xu@mediatek.com> X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220227_223208_650780_102FB5F4 X-CRM114-Status: UNSURE ( 9.22 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Thu, 2022-02-17 at 20:22 +0800, Kewei Xu wrote: > When clock-div is 0 or greater than 1, the bus speed > calculated by the old speed calculation formula will be > larger than the target speed. So we update the formula. > > Signed-off-by: Kewei Xu > Reviewed-by: AngeloGioacchino Del Regno < > angelogioacchino.delregno@collabora.com> Reviewed-by: Qii Wang > --- > drivers/i2c/busses/i2c-mt65xx.c | 51 > +++++++++++++++++++++++++++++++++-------- > 1 file changed, 41 insertions(+), 10 deletions(-) > _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7D53AC433EF for ; Mon, 28 Feb 2022 06:33:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Date:CC:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=WWgMgWLMcA23S1zQZG6AdUp0Q6kshtHE3R4Sb10m2t4=; b=Ic0wom7NDPh1ZZ bZniniAzISNCs0Gql6LtHygVAatNnCGDZ9K6B9wFRfAS3fiOyy0YIAlUsHHAuazT8jcHIsMfIi+VX /9X54hNv88eXf460V/M05cZj+k3mtjlrv2aeQDVVJHRWv8EjUW35gmqunxBdYkD1L++bgHdYmIvR/ dqtQCM4rvU7E1IZCwZxTx8q0qGkeSh5J8W0Wwb0IZTuxaZJl/KnqgIcbpF4utKKkjNK3UP/0ObKzy sQ5/x8vF5fb5liTSntDYpxdk8oXKLZZIKK5/0+w3rzo5Y2Oj36US9gncjuYWoF6koc74/IeIF+9eU R2vjOIsEYD0TkZKrLI4w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nOZZs-00AtEn-La; Mon, 28 Feb 2022 06:32:12 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nOZZo-00AtCo-Im; Mon, 28 Feb 2022 06:32:09 +0000 X-UUID: 42012c9350ba4bc1883e7d843d164306-20220227 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=jLcDc7bXe4PFiEShcYy9OcXei2WSTRogHhT/GGeYfj8=; b=RwbiX/rvChm/DeUsCrXyquaKAl7n0k/dXTvieTP4qY3+QXoSKzE3DAOm4+43GVcONNpkqznFg6v0AQ+37IbUh2VRa71rkgwAq8+W4ZazSZEp5v0umPTXweCyKP2BuRQByC//fEQ/Y4MM/1hzVsnpVFbI4BBnO/ewk5U2TRBSCys=; X-UUID: 42012c9350ba4bc1883e7d843d164306-20220227 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1875019372; Sun, 27 Feb 2022 23:31:45 -0700 Received: from mtkmbs10n1.mediatek.inc (172.21.101.34) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 27 Feb 2022 22:31:44 -0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Mon, 28 Feb 2022 14:31:42 +0800 Received: from mhfsdcap04 (10.17.3.154) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 28 Feb 2022 14:31:41 +0800 Message-ID: Subject: Re: [PATCH v10,1/1] i2c: mediatek: modify bus speed calculation formula From: Qii Wang To: Kewei Xu , CC: , , , , , , , , , , , , , , Date: Mon, 28 Feb 2022 14:31:41 +0800 In-Reply-To: <1645100563-59441-2-git-send-email-kewei.xu@mediatek.com> References: <1645100563-59441-1-git-send-email-kewei.xu@mediatek.com> <1645100563-59441-2-git-send-email-kewei.xu@mediatek.com> X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220227_223208_650780_102FB5F4 X-CRM114-Status: UNSURE ( 9.22 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, 2022-02-17 at 20:22 +0800, Kewei Xu wrote: > When clock-div is 0 or greater than 1, the bus speed > calculated by the old speed calculation formula will be > larger than the target speed. So we update the formula. > > Signed-off-by: Kewei Xu > Reviewed-by: AngeloGioacchino Del Regno < > angelogioacchino.delregno@collabora.com> Reviewed-by: Qii Wang > --- > drivers/i2c/busses/i2c-mt65xx.c | 51 > +++++++++++++++++++++++++++++++++-------- > 1 file changed, 41 insertions(+), 10 deletions(-) > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel