diff options
Diffstat (limited to 'target/linux/brcm2708/patches-3.10/0011-sdhci-bcm2708-speed-up-DMA-sync.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-3.10/0011-sdhci-bcm2708-speed-up-DMA-sync.patch | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-3.10/0011-sdhci-bcm2708-speed-up-DMA-sync.patch b/target/linux/brcm2708/patches-3.10/0011-sdhci-bcm2708-speed-up-DMA-sync.patch new file mode 100644 index 0000000000..5087146fe7 --- /dev/null +++ b/target/linux/brcm2708/patches-3.10/0011-sdhci-bcm2708-speed-up-DMA-sync.patch @@ -0,0 +1,22 @@ +From e38d3d05747f6877a2ad1a7af1ac26e6a48a8be3 Mon Sep 17 00:00:00 2001 +From: Grigori Goronzy <greg@blackbox> +Date: Mon, 4 Jun 2012 04:27:48 +0200 +Subject: [PATCH 011/174] sdhci-bcm2708: speed up DMA sync + +Experiments show that it doesn't really take that long to sync, so we +can reduce the poll interval slightly. Might improve performance a bit. +--- + drivers/mmc/host/sdhci-bcm2708.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/mmc/host/sdhci-bcm2708.c ++++ b/drivers/mmc/host/sdhci-bcm2708.c +@@ -897,7 +897,7 @@ static void sdhci_bcm2708_dma_complete_i + while (0 != (sdhci_bcm2708_raw_readl(host, SDHCI_PRESENT_STATE) + & state_mask) && --timeout > 0) + { +- udelay(100); ++ udelay(30); + continue; + } + if (timeout <= 0) |