Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753529AbbG3RAk (ORCPT ); Thu, 30 Jul 2015 13:00:40 -0400 Received: from mga09.intel.com ([134.134.136.24]:18632 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752373AbbG3RAe (ORCPT ); Thu, 30 Jul 2015 13:00:34 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,577,1432623600"; d="scan'208";a="758563457" Subject: [PATCH v3 12/24] memconsole: fix __iomem mishandling, switch to memremap From: Dan Williams To: tglx@linutronix.de, mingo@kernel.org, hpa@zytor.com Cc: linux-arch@vger.kernel.org, toshi.kani@hp.com, linux-nvdimm@ml01.01.org, mcgrof@suse.com, linux-kernel@vger.kernel.org, Mike Waychison , rmk+kernel@arm.linux.org.uk, hch@lst.de, linux-arm-kernel@lists.infradead.org Date: Thu, 30 Jul 2015 12:54:45 -0400 Message-ID: <20150730165445.33962.95437.stgit@dwillia2-desk3.amr.corp.intel.com> In-Reply-To: <20150730165155.33962.64121.stgit@dwillia2-desk3.amr.corp.intel.com> References: <20150730165155.33962.64121.stgit@dwillia2-desk3.amr.corp.intel.com> User-Agent: StGit/0.17.1-8-g92dd MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1411 Lines: 39 The memconsole driver is not using proper accessors for __iomem. Switch to memremap to fix this issue, and this also prepares the driver for the removal of ioremap_cache. Cc: Mike Waychison Signed-off-by: Dan Williams --- drivers/firmware/google/memconsole.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/firmware/google/memconsole.c b/drivers/firmware/google/memconsole.c index 2f569aaed4c7..fd5041716860 100644 --- a/drivers/firmware/google/memconsole.c +++ b/drivers/firmware/google/memconsole.c @@ -52,14 +52,15 @@ static ssize_t memconsole_read(struct file *filp, struct kobject *kobp, char *memconsole; ssize_t ret; - memconsole = ioremap_cache(memconsole_baseaddr, memconsole_length); + memconsole = memremap(memconsole_baseaddr, memconsole_length, + MEMREMAP_WB); if (!memconsole) { - pr_err("memconsole: ioremap_cache failed\n"); + pr_err("memconsole: memremap failed\n"); return -ENOMEM; } ret = memory_read_from_buffer(buf, count, &pos, memconsole, memconsole_length); - iounmap(memconsole); + memunmap(memconsole); return ret; } -- 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/