From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adrian Hunter Subject: [PATCH 06/15] mmc: sdhci: Add sdhci_adma_mark_end() Date: Tue, 21 Oct 2014 12:26:16 +0300 Message-ID: <1413883585-16299-7-git-send-email-adrian.hunter@intel.com> References: <1413883585-16299-1-git-send-email-adrian.hunter@intel.com> Return-path: Received: from mga09.intel.com ([134.134.136.24]:44625 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932316AbaJUJ2D (ORCPT ); Tue, 21 Oct 2014 05:28:03 -0400 In-Reply-To: <1413883585-16299-1-git-send-email-adrian.hunter@intel.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Ulf Hansson , Chris Ball Cc: linux-mmc In preparation for 64-bit ADMA, separate out code that touches the ADMA descriptor by adding sdhci_adma_mark_end(). Signed-off-by: Adrian Hunter --- drivers/mmc/host/sdhci.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index b45814e..833e792 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -468,6 +468,13 @@ static void sdhci_adma_write_desc(u8 *desc, u32 addr, int len, unsigned cmd) dataddr[0] = cpu_to_le32(addr); } +static void sdhci_adma_mark_end(void *desc) +{ + u8 *dma_desc = desc; + + dma_desc[0] |= 0x2; /* end */ +} + static int sdhci_adma_table_pre(struct sdhci_host *host, struct mmc_data *data) { @@ -564,7 +571,7 @@ static int sdhci_adma_table_pre(struct sdhci_host *host, */ if (desc != host->adma_table) { desc -= 8; - desc[0] |= 0x2; /* end */ + sdhci_adma_mark_end(desc); } } else { /* -- 1.9.1