From patchwork Wed Aug 21 19:24:35 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Judith Mendez X-Patchwork-Id: 821174 Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7866D79CD; Wed, 21 Aug 2024 19:24:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.19.141 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724268281; cv=none; b=Uip7kekRpXpQLo2Md84/AUsf91+nzZK7sQTTv3ndJv7RZkqXEdo8AA4pL5UqLmpK418LLP2xa/9jAjGsW1PpDVUfg6NgN0aJiU5o9HT+bA9V5G7P1wfB8KnxLyN3JlZAhY/UcISz7jzJjx4aECrWhrlrg1sR568h9oh9gBWT9gM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724268281; c=relaxed/simple; bh=KEs3+0bFeoFgo4ngrnDTC9HBUMGQLYn4h0Wba1inEyg=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=M2LmfMujslcGIZVZ6tzkxxrwXHu/Ky3tC1I7BJTnX6VZy8HCZGeAXHZ9HvY+F8xsgOpeSlrmO0xfNWcfXqz6LeIFj8mA4hF//+hs2GSolpJTVUNOj6JAHSkyHXFqaSVd0WK/wkrnlY7hEtnC/rsOv8nVZxh3z6nOy/VctwNcnx8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=y7gqvTQk; arc=none smtp.client-ip=198.47.19.141 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="y7gqvTQk" Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 47LJOZCJ047915; Wed, 21 Aug 2024 14:24:35 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1724268275; bh=gPXE+AXFPDgn04Mc9jcQyDyqkHbMxJlaxavoM1Vlb9s=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=y7gqvTQkdgqkv/QddBLM1b6Q/nnaPX3V+OVxJRgyqWcLtKdI7ElfqwNPqoTQv6XNU tuTMl+nZbs0vg34j98g74P2vfmBLsZojz1H11pICCJPTPQRrSE1RjMjhnzWV36GUBM W8cydxnInTRXrYKQItfoyW6BswPlWGDWsER8gl/0= Received: from DFLE115.ent.ti.com (dfle115.ent.ti.com [10.64.6.36]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 47LJOZk7112394 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 21 Aug 2024 14:24:35 -0500 Received: from DFLE105.ent.ti.com (10.64.6.26) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Wed, 21 Aug 2024 14:24:35 -0500 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DFLE105.ent.ti.com (10.64.6.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Wed, 21 Aug 2024 14:24:36 -0500 Received: from judy-hp.dhcp.ti.com (judy-hp.dhcp.ti.com [128.247.81.105]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 47LJOZqk057194; Wed, 21 Aug 2024 14:24:35 -0500 From: Judith Mendez To: Ulf Hansson CC: Adrian Hunter , , Subject: [PATCH v2 2/2] mmc: sdhci_am654: Add prints to tuning algorithm Date: Wed, 21 Aug 2024 14:24:35 -0500 Message-ID: <20240821192435.1619271-3-jm@ti.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240821192435.1619271-1-jm@ti.com> References: <20240821192435.1619271-1-jm@ti.com> Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Add debug prints to tuning algorithm for debugging. Also add error print if we fail tuning. Signed-off-by: Judith Mendez --- Changes since v1: - Change prints to dev_dbg - Add print for failing itaps --- drivers/mmc/host/sdhci_am654.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/mmc/host/sdhci_am654.c b/drivers/mmc/host/sdhci_am654.c index 612f29fd7dfef..9cac520d5c15c 100644 --- a/drivers/mmc/host/sdhci_am654.c +++ b/drivers/mmc/host/sdhci_am654.c @@ -457,11 +457,13 @@ static u32 sdhci_am654_calculate_itap(struct sdhci_host *host, struct window if (!num_fails) { /* Retry tuning */ + dev_dbg(dev, "No failing region found, retry tuning\n"); return -1; } if (fail_window->length == ITAPDLY_LENGTH) { /* Retry tuning */ + dev_dbg(dev, "No passing itapdly, retry tuning\n"); return -1; } @@ -527,6 +529,7 @@ static int sdhci_am654_do_tuning(struct sdhci_host *host, if (!curr_pass) { fail_window[fail_index].end = itap; fail_window[fail_index].length++; + dev_dbg(dev, "Failed itapdly=%d\n", itap); } if (curr_pass && !prev_pass) @@ -562,10 +565,12 @@ static int sdhci_am654_platform_execute_tuning(struct sdhci_host *host, } if (itapdly >= 0) { + dev_dbg(dev, "Passed tuning, final itapdly=%d\n", itapdly); sdhci_am654_write_itapdly(sdhci_am654, itapdly, sdhci_am654->itap_del_ena[timing]); /* Save ITAPDLY */ sdhci_am654->itap_del_sel[timing] = itapdly; } else { + dev_err(dev, "Failed to find itapdly, fail tuning\n"); ret = -1; }