Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763007Ab3DCH0O (ORCPT ); Wed, 3 Apr 2013 03:26:14 -0400 Received: from eusmtp01.atmel.com ([212.144.249.242]:43988 "EHLO eusmtp01.atmel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762992Ab3DCH0M (ORCPT ); Wed, 3 Apr 2013 03:26:12 -0400 Message-ID: <515BD992.50009@atmel.com> Date: Wed, 3 Apr 2013 09:26:10 +0200 From: Nicolas Ferre Organization: atmel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130308 Thunderbird/17.0.4 MIME-Version: 1.0 To: Boris BREZILLON CC: Jean-Christophe PLAGNIOL-VILLARD , Arnd Bergmann , Greg Kroah-Hartman , , Rob Herring , "Grant Likely" , Andrew Victor , Subject: Re: [PATCH] ARM: at91/tc: fix clock source id for tc block > 1 References: <1364921211-15756-1-git-send-email-linux-arm@overkiz.com> <20130403044555.GN20693@game.jcrosoft.org> In-Reply-To: <20130403044555.GN20693@game.jcrosoft.org> X-Enigmail-Version: 1.4.6 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.161.30.18] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2815 Lines: 91 On 04/03/2013 06:45 AM, Jean-Christophe PLAGNIOL-VILLARD : > On 18:46 Tue 02 Apr , Boris BREZILLON wrote: >> This patch fixes wrong clock request for TC block 2. >> The second block was using t0_clk, t1_clk and t2_clk clks instead of >> t3_clk, t4_clk and t5_clk clks. >> > this is intended as we have 3 clock per device True. Boris, did you hit an issue with former code that your patch is solving? What is the reason for this patch? Thanks, best regards, >> Signed-off-by: Boris BREZILLON >> --- >> drivers/misc/atmel_tclib.c | 24 ++++++++++++++++-------- >> 1 file changed, 16 insertions(+), 8 deletions(-) >> >> diff --git a/drivers/misc/atmel_tclib.c b/drivers/misc/atmel_tclib.c >> index c8d8e38..768a988 100644 >> --- a/drivers/misc/atmel_tclib.c >> +++ b/drivers/misc/atmel_tclib.c >> @@ -142,6 +142,8 @@ static int __init tc_probe(struct platform_device *pdev) >> struct atmel_tc *tc; >> struct clk *clk; >> int irq; >> + char clk_id[7]; >> + int clk_offset; >> >> if (!platform_get_resource(pdev, IORESOURCE_MEM, 0)) >> return -EINVAL; >> @@ -156,25 +158,31 @@ static int __init tc_probe(struct platform_device *pdev) >> >> tc->pdev = pdev; >> >> - clk = clk_get(&pdev->dev, "t0_clk"); >> - if (IS_ERR(clk)) { >> - kfree(tc); >> - return -EINVAL; >> - } >> - >> /* Now take SoC information if available */ >> if (pdev->dev.of_node) { >> const struct of_device_id *match; >> match = of_match_node(atmel_tcb_dt_ids, pdev->dev.of_node); >> if (match) >> tc->tcb_config = match->data; >> + clk_offset = of_alias_get_id(tc->pdev->dev.of_node, "tcb"); >> + } else >> + clk_offset = pdev->id; >> + clk_offset *= 3; >> + >> + snprintf(clk_id, sizeof(clk_id), "t%d_clk", clk_offset++); >> + clk = clk_get(&pdev->dev, clk_id); >> + if (IS_ERR(clk)) { >> + kfree(tc); >> + return -EINVAL; >> } >> >> tc->clk[0] = clk; >> - tc->clk[1] = clk_get(&pdev->dev, "t1_clk"); >> + snprintf(clk_id, sizeof(clk_id), "t%d_clk", clk_offset++); >> + tc->clk[1] = clk_get(&pdev->dev, clk_id); >> if (IS_ERR(tc->clk[1])) >> tc->clk[1] = clk; >> - tc->clk[2] = clk_get(&pdev->dev, "t2_clk"); >> + snprintf(clk_id, sizeof(clk_id), "t%d_clk", clk_offset++); >> + tc->clk[2] = clk_get(&pdev->dev, clk_id); >> if (IS_ERR(tc->clk[2])) >> tc->clk[2] = clk; >> >> -- >> 1.7.9.5 >> >> >> _______________________________________________ >> linux-arm-kernel mailing list >> linux-arm-kernel@lists.infradead.org >> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > -- Nicolas Ferre -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/