From patchwork Wed Sep 4 17:48:35 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 11131195 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id ED1D41398 for ; Wed, 4 Sep 2019 17:51:20 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CABFB21670 for ; Wed, 4 Sep 2019 17:51:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="DP1Oe3A6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CABFB21670 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+patchwork-linux-amlogic=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=MCZFnVtAuivSsRCeXrBiPXcsIspumUvfz4hmaMNRyTU=; b=DP1Oe3A6TO9+a0 6lowZ31Hfysjs0BYXddHK1fjSqphccwEaPZLuMtOMZgWEuwWJnYRLz/g9NApeUKMDF82f4yXQ7VMv jWfiv/vMr+J1az0invbPBIbuf/3Ens2uRBjBNgOK5DUmnVncqYQ/7+KuzbDOWXzJe0SiNdQBNC4sn maQCfW+t7T1HXjqiiFYoBHpO9MOIkD8h+U07tMCjHWGfDyuZRc1BT6wzVqcbzdN2ylWLynEFPhFcv 3b6S7ACD+8QEqNG3OVo/8/MhBiFbxiNUsIwMg4b1CnIbJttlSw/AW+cEgLxTfVEy2suSD7M9VhyHl SoTFSHsyy3WzQAZjwlKg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i5ZRA-0000Ez-Dt; Wed, 04 Sep 2019 17:51:20 +0000 Received: from mga12.intel.com ([192.55.52.136]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i5ZQY-0006NZ-Op; Wed, 04 Sep 2019 17:50:44 +0000 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Sep 2019 10:48:40 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,467,1559545200"; d="scan'208";a="177022949" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga008.jf.intel.com with ESMTP; 04 Sep 2019 10:48:37 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 5E373D0; Wed, 4 Sep 2019 20:48:36 +0300 (EEST) From: Andy Shevchenko To: Kevin Hilman , Neil Armstrong , linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org Subject: [PATCH v1] firmware: meson_sm: use %*ph to print small buffer Date: Wed, 4 Sep 2019 20:48:35 +0300 Message-Id: <20190904174835.77370-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.23.0.rc1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190904_105042_853849_867AD0AE X-CRM114-Status: UNSURE ( 9.58 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [192.55.52.136 listed in list.dnswl.org] 0.0 SPF_NONE SPF: sender does not publish an SPF Record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andy Shevchenko Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+patchwork-linux-amlogic=patchwork.kernel.org@lists.infradead.org Use %*ph format to print small buffer as hex string. Signed-off-by: Andy Shevchenko --- drivers/firmware/meson/meson_sm.c | 14 +------------- 1 file changed, 1 insertion(+), 13 deletions(-) diff --git a/drivers/firmware/meson/meson_sm.c b/drivers/firmware/meson/meson_sm.c index 8d908a8e0d20..8ea27af435da 100644 --- a/drivers/firmware/meson/meson_sm.c +++ b/drivers/firmware/meson/meson_sm.c @@ -231,19 +231,7 @@ static ssize_t serial_show(struct device *dev, struct device_attribute *attr, return ret; } - ret = sprintf(buf, "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x\n", - id_buf[SM_CHIP_ID_OFFSET + 0], - id_buf[SM_CHIP_ID_OFFSET + 1], - id_buf[SM_CHIP_ID_OFFSET + 2], - id_buf[SM_CHIP_ID_OFFSET + 3], - id_buf[SM_CHIP_ID_OFFSET + 4], - id_buf[SM_CHIP_ID_OFFSET + 5], - id_buf[SM_CHIP_ID_OFFSET + 6], - id_buf[SM_CHIP_ID_OFFSET + 7], - id_buf[SM_CHIP_ID_OFFSET + 8], - id_buf[SM_CHIP_ID_OFFSET + 9], - id_buf[SM_CHIP_ID_OFFSET + 10], - id_buf[SM_CHIP_ID_OFFSET + 11]); + ret = sprintf(buf, "%12phN\n", &id_buf[SM_CHIP_ID_OFFSET]); kfree(id_buf);