From patchwork Wed Jul 19 13:14:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 704512 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7F87CEB64DA for ; Wed, 19 Jul 2023 13:16:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230155AbjGSNP7 (ORCPT ); Wed, 19 Jul 2023 09:15:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43538 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229816AbjGSNP6 (ORCPT ); Wed, 19 Jul 2023 09:15:58 -0400 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CA6F01A6; Wed, 19 Jul 2023 06:15:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689772557; x=1721308557; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=a3IRTT3fhajV+k4HkhAycEnaQ43BbvTn+F4JZ8wbqRo=; b=bf/RIFNygnxbZKXsbFOvqkOPHOxAeREDtYvhueQR3LEne3X70Leer+mb sDQDycjfTFOgKVY7nMpCeWwK0/nxoD9B60q8QOxFUNgOH9nbpkPZC46B/ q8I5oEq8QtbjBFzaAGOevymO1Ew5QnQwWc4/wRIONYerI1h2iTfIQYG3Q js5KEu8YTKzgiam2X7htoPDsWyr90OjLmlwS15EaythKjNezWRGb1eKIJ Xa9pSvyeTDnSgcPtxQkAZTmCU2rt7y3YfXNfbmtQ6gn2k+JhBhu+2GyzT HZYu00sj242XcqEELr0k/nIldXxMbteGEBaZPm3mw3gggNLR7f6KW0SHV g==; X-IronPort-AV: E=McAfee;i="6600,9927,10776"; a="369105322" X-IronPort-AV: E=Sophos;i="6.01,216,1684825200"; d="scan'208";a="369105322" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Jul 2023 06:14:42 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10776"; a="723982587" X-IronPort-AV: E=Sophos;i="6.01,216,1684825200"; d="scan'208";a="723982587" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga002.jf.intel.com with ESMTP; 19 Jul 2023 06:14:40 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id A7722370; Wed, 19 Jul 2023 16:14:47 +0300 (EEST) From: Andy Shevchenko To: Mauro Carvalho Chehab , Andy Shevchenko , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Sakari Ailus Subject: [PATCH v2 1/1] media: drxk: Use %*ph for printing hexdump of a small buffer Date: Wed, 19 Jul 2023 16:14:45 +0300 Message-Id: <20230719131445.47060-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.40.0.1.gaa8946217a0b MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The kernel already has a helper to print a hexdump of a small buffer via pointer extension. Use that instead of open coded variant. In long term it helps to kill pr_cont() or at least narrow down its use. Signed-off-by: Andy Shevchenko --- v2: bumped debug level and dropped unneeded conditional (Hans) drivers/media/dvb-frontends/drxk_hard.c | 29 +++++-------------------- 1 file changed, 5 insertions(+), 24 deletions(-) diff --git a/drivers/media/dvb-frontends/drxk_hard.c b/drivers/media/dvb-frontends/drxk_hard.c index 6ad4f202f1bf..2770baebbbbc 100644 --- a/drivers/media/dvb-frontends/drxk_hard.c +++ b/drivers/media/dvb-frontends/drxk_hard.c @@ -229,13 +229,8 @@ static int i2c_write(struct drxk_state *state, u8 adr, u8 *data, int len) struct i2c_msg msg = { .addr = adr, .flags = 0, .buf = data, .len = len }; - dprintk(3, ":"); - if (debug > 2) { - int i; - for (i = 0; i < len; i++) - pr_cont(" %02x", data[i]); - pr_cont("\n"); - } + dprintk(3, ": %*ph\n", len, data); + status = drxk_i2c_transfer(state, &msg, 1); if (status >= 0 && status != 1) status = -EIO; @@ -267,16 +262,7 @@ static int i2c_read(struct drxk_state *state, pr_err("i2c read error at addr 0x%02x\n", adr); return status; } - if (debug > 2) { - int i; - dprintk(2, ": read from"); - for (i = 0; i < len; i++) - pr_cont(" %02x", msg[i]); - pr_cont(", value = "); - for (i = 0; i < alen; i++) - pr_cont(" %02x", answ[i]); - pr_cont("\n"); - } + dprintk(3, ": read from %*ph, value = %*ph\n", len, msg, alen, answ); return 0; } @@ -441,13 +427,8 @@ static int write_block(struct drxk_state *state, u32 address, } memcpy(&state->chunk[adr_length], p_block, chunk); dprintk(2, "(0x%08x, 0x%02x)\n", address, flags); - if (debug > 1) { - int i; - if (p_block) - for (i = 0; i < chunk; i++) - pr_cont(" %02x", p_block[i]); - pr_cont("\n"); - } + if (p_block) + dprintk(2, "%*ph\n", chunk, p_block); status = i2c_write(state, state->demod_address, &state->chunk[0], chunk + adr_length); if (status < 0) {