28 lines
910 B
Diff
28 lines
910 B
Diff
From 07947cfde701f7ba29b06574e9533bd6459da8ad Mon Sep 17 00:00:00 2001
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From: Grigori Goronzy <greg@blackbox>
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Date: Mon, 4 Jun 2012 04:27:48 +0200
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Subject: [PATCH 011/196] sdhci-bcm2708: speed up DMA sync
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Experiments show that it doesn't really take that long to sync, so we
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can reduce the poll interval slightly. Might improve performance a bit.
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---
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drivers/mmc/host/sdhci-bcm2708.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/drivers/mmc/host/sdhci-bcm2708.c b/drivers/mmc/host/sdhci-bcm2708.c
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index ae8edf7..a6bdc25 100644
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--- a/drivers/mmc/host/sdhci-bcm2708.c
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+++ b/drivers/mmc/host/sdhci-bcm2708.c
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@@ -897,7 +897,7 @@ static void sdhci_bcm2708_dma_complete_irq(struct sdhci_host *host,
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while (0 != (sdhci_bcm2708_raw_readl(host, SDHCI_PRESENT_STATE)
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& state_mask) && --timeout > 0)
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{
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- udelay(100);
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+ udelay(30);
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continue;
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}
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if (timeout <= 0)
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--
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1.9.1
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