From da60a91d012bcb10bc5bcd86d585c4281742832c Mon Sep 17 00:00:00 2001
From: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Date: Thu, 18 Jun 2009 09:33:32 +0200
Subject: [PATCH] sdhci: use SG_MITER_TO_SG/SG_MITER_FROM_SG
so the page will be flushed on unmap on ARCH which need it.
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>
---
drivers/mmc/host/sdhci.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 62041c7e92460..fc96f8cb9c0b1 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -773,8 +773,14 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_data *data)
}
if (!(host->flags & SDHCI_REQ_USE_DMA)) {
- sg_miter_start(&host->sg_miter,
- data->sg, data->sg_len, SG_MITER_ATOMIC);
+ int flags;
+
+ flags = SG_MITER_ATOMIC;
+ if (host->data->flags & MMC_DATA_READ)
+ flags |= SG_MITER_TO_SG;
+ else
+ flags |= SG_MITER_FROM_SG;
+ sg_miter_start(&host->sg_miter, data->sg, data->sg_len, flags);
host->blocks = data->blocks;
}
--
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