From patchwork Mon Mar 18 19:11:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Judith Mendez X-Patchwork-Id: 781758 Received: from lelv0143.ext.ti.com (lelv0143.ext.ti.com [198.47.23.248]) (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 489B856463; Mon, 18 Mar 2024 19:11:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.248 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710789108; cv=none; b=hcFibhqzMBXYRNGXslEcI0ZV/EYbZ/+Lsz4xDVoIXcYW1afH09ibebXD2K3sDzFjAhdlGVwA+G7BclSU5eh/MOfuW0Vkl2XoMAYbiMh4aoogaQdnkDZTBvZIatlwH3mkBNjD73fcceuBv8dmEFQTu3ylhakxcB4sar2eIwFZgNs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710789108; c=relaxed/simple; bh=U87dA6MIbpg032jZoEv+6LSoxOya5+XwhE1oUX/810s=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=oUKUWYhJBlOO5Bx8WvK2ktRg4WiRCnELDsEOuAKmXqogDhnafBYstcOVXwLnEJnPnp3CqLAP2q4Ru52mZ036JyuT7/j27lB4arzXQKDrNZNNCMR9Suka0JNOt1rhaDxTXiXaZt0Dz9hhDibqZZNmJwxF32XmYDSaUAC/pSMab2A= 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=m0iKQeUf; arc=none smtp.client-ip=198.47.23.248 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="m0iKQeUf" Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 42IJBhqg011607; Mon, 18 Mar 2024 14:11:43 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1710789103; bh=DJaVQGg+UoAiX6uyyVayXQ64RTqYH76iuF67zkFhsjQ=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=m0iKQeUfWGT5q8HTAQCW2c1isfx9j8MFR21peyTRibpOoFk26fEySLAHy4KZ01XrV iGS2aSrpWzO3SOivLeBM4Qao/fHaYX9OUbxzCCYdsbEurqazVTDwwQFeQcLZTRsd3P XbasKjK+/v1mwuRQ2DLuv+ACn9FtYOeMgdrLd25M= Received: from DLEE112.ent.ti.com (dlee112.ent.ti.com [157.170.170.23]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 42IJBhHI052297 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 18 Mar 2024 14:11:43 -0500 Received: from DLEE108.ent.ti.com (157.170.170.38) by DLEE112.ent.ti.com (157.170.170.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Mon, 18 Mar 2024 14:11:43 -0500 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DLEE108.ent.ti.com (157.170.170.38) 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; Mon, 18 Mar 2024 14:11:43 -0500 Received: from judy-hp.dhcp.ti.com (judy-hp.dhcp.ti.com [128.247.81.105]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 42IJBhc7077624; Mon, 18 Mar 2024 14:11:43 -0500 From: Judith Mendez To: Ulf Hansson , Adrian Hunter CC: Andrew Davis , , Subject: [PATCH v4 2/7] mmc: sdhci_am654: Write ITAPDLY for DDR52 timing Date: Mon, 18 Mar 2024 14:11:37 -0500 Message-ID: <20240318191143.27638-3-jm@ti.com> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240318191143.27638-1-jm@ti.com> References: <20240318191143.27638-1-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 For DDR52 timing, DLL is enabled but tuning is not carried out, therefore the ITAPDLY value in PHY CTRL 4 register is not correct. Fix this by writing ITAPDLY after enabling DLL. Fixes: a161c45f2979 ("mmc: sdhci_am654: Enable DLL only for some speed modes") Signed-off-by: Judith Mendez Reviewed-by: Andrew Davis Acked-by: Adrian Hunter --- Changelog: v3->v4: - Add acked-by --- drivers/mmc/host/sdhci_am654.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/host/sdhci_am654.c b/drivers/mmc/host/sdhci_am654.c index fb802bf7ad1c..d079b25ef4c9 100644 --- a/drivers/mmc/host/sdhci_am654.c +++ b/drivers/mmc/host/sdhci_am654.c @@ -300,6 +300,7 @@ static void sdhci_am654_set_clock(struct sdhci_host *host, unsigned int clock) if (timing > MMC_TIMING_UHS_SDR25 && clock >= CLOCK_TOO_SLOW_HZ) { sdhci_am654_setup_dll(host, clock); sdhci_am654->dll_enable = true; + sdhci_am654_write_itapdly(sdhci_am654, sdhci_am654->itap_del_sel[timing]); } else { sdhci_am654_setup_delay_chain(sdhci_am654, timing); }