brcm2708: update against latest rpi-3.10.y branch
[openwrt/svn-archive/archive.git] / target / linux / brcm2708 / patches-3.10 / 0011-sdhci-bcm2708-speed-up-DMA-sync.patch
1 From e38d3d05747f6877a2ad1a7af1ac26e6a48a8be3 Mon Sep 17 00:00:00 2001
2 From: Grigori Goronzy <greg@blackbox>
3 Date: Mon, 4 Jun 2012 04:27:48 +0200
4 Subject: [PATCH 011/174] sdhci-bcm2708: speed up DMA sync
5
6 Experiments show that it doesn't really take that long to sync, so we
7 can reduce the poll interval slightly. Might improve performance a bit.
8 ---
9 drivers/mmc/host/sdhci-bcm2708.c | 2 +-
10 1 file changed, 1 insertion(+), 1 deletion(-)
11
12 --- a/drivers/mmc/host/sdhci-bcm2708.c
13 +++ b/drivers/mmc/host/sdhci-bcm2708.c
14 @@ -897,7 +897,7 @@ static void sdhci_bcm2708_dma_complete_i
15 while (0 != (sdhci_bcm2708_raw_readl(host, SDHCI_PRESENT_STATE)
16 & state_mask) && --timeout > 0)
17 {
18 - udelay(100);
19 + udelay(30);
20 continue;
21 }
22 if (timeout <= 0)