Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754243AbbFQWS3 (ORCPT ); Wed, 17 Jun 2015 18:18:29 -0400 Received: from e23smtp05.au.ibm.com ([202.81.31.147]:58645 "EHLO e23smtp05.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750856AbbFQWS0 (ORCPT ); Wed, 17 Jun 2015 18:18:26 -0400 X-Helo: d23dlp02.au.ibm.com X-MailFrom: honclo@linux.vnet.ibm.com X-RcptTo: linux-kernel@vger.kernel.org From: "Hon Ching(Vicky) Lo" To: tpmdd-devel@lists.sourceforge.net Cc: Peter Huewe , Ashley Lai , Vicky Lo , linux-kernel@vger.kernel.org, "Hon Ching(Vicky) Lo" , Joy Latten Subject: [PATCH v4 2/2] TPM: remove unnecessary little endian conversion Date: Wed, 17 Jun 2015 18:17:09 -0400 Message-Id: <1434579429-29449-2-git-send-email-honclo@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1434579429-29449-1-git-send-email-honclo@linux.vnet.ibm.com> References: <1434579429-29449-1-git-send-email-honclo@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15061722-0017-0000-0000-00000166BE95 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1460 Lines: 44 The base pointer for the event log is allocated in the local kernel (in prom_instantiate_sml()), therefore it is already in the host's endian byte order and requires no conversion. The content of the 'basep' pointer in read_log() stores the base address of the log. This patch ensures that it is correctly implemented. Signed-off-by: Hon Ching(Vicky) Lo Signed-off-by: Joy Latten --- drivers/char/tpm/tpm_of.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/char/tpm/tpm_of.c b/drivers/char/tpm/tpm_of.c index c002d1b..62a22ce 100644 --- a/drivers/char/tpm/tpm_of.c +++ b/drivers/char/tpm/tpm_of.c @@ -24,7 +24,7 @@ int read_log(struct tpm_bios_log *log) { struct device_node *np; const u32 *sizep; - const __be64 *basep; + const u64 *basep; if (log->bios_event_log != NULL) { pr_err("%s: ERROR - Eventlog already initialized\n", __func__); @@ -63,7 +63,7 @@ int read_log(struct tpm_bios_log *log) log->bios_event_log_end = log->bios_event_log + *sizep; - memcpy(log->bios_event_log, __va(be64_to_cpup(basep)), *sizep); + memcpy(log->bios_event_log, __va(*basep), *sizep); return 0; -- 1.7.1 -- 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/