Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758895AbaGCOXW (ORCPT ); Thu, 3 Jul 2014 10:23:22 -0400 Received: from top.free-electrons.com ([176.31.233.9]:51004 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1758609AbaGCOUk (ORCPT ); Thu, 3 Jul 2014 10:20:40 -0400 From: Maxime Ripard To: linux@maxim.org.za, Nicolas Ferre , Jean-Christophe Plagniol-Villard , dwmw2@infradead.org, dbaryshkov@gmail.com Cc: Boris Brezillon , Alexandre Belloni , Thomas Petazzoni , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Maxime Ripard Subject: [PATCH 04/18] AT91: Rework ramc mapping code Date: Thu, 3 Jul 2014 16:14:37 +0200 Message-Id: <1404396906-25194-5-git-send-email-maxime.ripard@free-electrons.com> X-Mailer: git-send-email 2.0.1 In-Reply-To: <1404396906-25194-1-git-send-email-maxime.ripard@free-electrons.com> References: <1404396906-25194-1-git-send-email-maxime.ripard@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adapt the ramc mapping code to handle multiple ram controllers in the DT. Signed-off-by: Maxime Ripard --- arch/arm/mach-at91/setup.c | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-) diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c index 9c4c7fb323fb..cc520596f23b 100644 --- a/arch/arm/mach-at91/setup.c +++ b/arch/arm/mach-at91/setup.c @@ -393,24 +393,26 @@ static void at91_dt_ramc(void) { struct device_node *np; const struct of_device_id *of_id; + int idx = 0; - np = of_find_matching_node(NULL, ramc_ids); - if (!np) - panic(pr_fmt("unable to find compatible ram controller node in dtb\n")); + for_each_matching_node(np, ramc_ids) { + at91_ramc_base[idx] = of_iomap(np, 0); + if (!at91_ramc_base[idx]) + panic(pr_fmt("unable to map ramc[%d] cpu registers\n"), idx); - at91_ramc_base[0] = of_iomap(np, 0); - if (!at91_ramc_base[0]) - panic(pr_fmt("unable to map ramc[0] cpu registers\n")); - /* the controller may have 2 banks */ - at91_ramc_base[1] = of_iomap(np, 1); + idx++; + } + + if (!idx) + panic(pr_fmt("unable to find compatible ram controller node in dtb\n")); of_id = of_match_node(ramc_ids, np); - if (!of_id) + if (!of_id) { pr_warn("ramc no standby function available\n"); - else - at91_pm_set_standby(of_id->data); + return; + } - of_node_put(np); + at91_pm_set_standby(of_id->data); } static struct of_device_id shdwc_ids[] = { -- 2.0.1 -- 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/