From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko =?ISO-8859-1?Q?St=FCbner?= Subject: Re: [PATCH 0/6] mmc: sdhci-s3c: Fix base clock source management Date: Sun, 12 Jan 2014 22:18 +0100 Message-ID: <1704043.sYrCOYas4N@phil> References: <1389476346-20396-1-git-send-email-tomasz.figa@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: Received: from gloria.sntech.de ([95.129.55.99]:34055 "EHLO gloria.sntech.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750999AbaALVSX (ORCPT ); Sun, 12 Jan 2014 16:18:23 -0500 In-Reply-To: <1389476346-20396-1-git-send-email-tomasz.figa@gmail.com> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Tomasz Figa Cc: linux-mmc@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Ben Dooks , Chris Ball , Jaehoon Chung , Seungwon Jeon , Marek Szyprowski Am Samstag, 11. Januar 2014, 22:39:00 schrieb Tomasz Figa: > Tested on S3C6410-based Mini6410 board, with following performance > figures: > > * Before this series (133 MHz HCLK always selected, leading to at most > 33 MHz card clock): > > root@tiny6410:~# hdparm -t /dev/mmcblk0 > > /dev/mmcblk0: > Timing buffered disk reads: 42 MB in 3.10 seconds = 13.54 MB/sec # hdparm -t /dev/mmcblk0 /dev/mmcblk0: Timing buffered disk reads: 44 MB in 3.12 seconds = 14.11 MB/sec > * After this series (48 MHz EPLL clock selected, leading to 48 MHz card > clock): > > root@tiny6410:~# hdparm -t /dev/mmcblk0 > > /dev/mmcblk0: > Timing buffered disk reads: 56 MB in 3.04 seconds = 18.41 MB/sec # hdparm -t /dev/mmcblk0 /dev/mmcblk0: Timing buffered disk reads: 48 MB in 3.01 seconds = 15.94 MB/sec So on a s3c2416: Tested-by: Heiko Stuebner Acked-by: Heiko Stuebner Thanks for the added bandwidth :-) Heiko