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49 lines
1.7 KiB
49 lines
1.7 KiB
From 3755210aaea18a4531069911f36a4771339565c4 Mon Sep 17 00:00:00 2001
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From: popcornmix <popcornmix@gmail.com>
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Date: Fri, 22 Jun 2012 12:57:42 +0100
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Subject: [PATCH 018/196] Use ndelay rather than udelay. Thanks lb
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---
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drivers/mmc/host/sdhci-bcm2708.c | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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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 b0cdd7d..7bba950 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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@@ -249,14 +249,14 @@ static void sdhci_bcm2708_raw_writel(struct sdhci_host *host, u32 val, int reg)
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if (now == last_write_hpt || now == last_write_hpt+1) {
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/* we can't guarantee any significant time has
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* passed - we'll have to wait anyway ! */
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- udelay((ns_2clk+1000-1)/1000);
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+ ndelay(ns_2clk);
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} else
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{
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/* we must have waited at least this many ns: */
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unsigned int ns_wait = HPTIME_CLK_NS *
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(last_write_hpt - now - 1);
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if (ns_wait < ns_2clk)
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- udelay((ns_2clk-ns_wait+500)/1000);
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+ ndelay(ns_2clk - ns_wait);
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}
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last_write_hpt = now;
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}
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@@ -272,13 +272,13 @@ static void sdhci_bcm2708_raw_writel(struct sdhci_host *host, u32 val, int reg)
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ier &= ~SDHCI_INT_DATA_TIMEOUT;
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writel(ier, host->ioaddr + SDHCI_SIGNAL_ENABLE);
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timeout_disabled = true;
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- udelay((ns_2clk+1000-1)/1000);
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+ ndelay(ns_2clk);
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} else if (timeout_disabled) {
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ier = readl(host->ioaddr + SDHCI_SIGNAL_ENABLE);
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ier |= SDHCI_INT_DATA_TIMEOUT;
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writel(ier, host->ioaddr + SDHCI_SIGNAL_ENABLE);
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timeout_disabled = false;
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- udelay((ns_2clk+1000-1)/1000);
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+ ndelay(ns_2clk);
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}
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#endif
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writel(val, host->ioaddr + reg);
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--
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1.9.1
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