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57 lines
1.8 KiB
57 lines
1.8 KiB
11 years ago
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From 7063eab83522ea1f24934b971418bfdd4c5578f1 Mon Sep 17 00:00:00 2001
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From: popcornmix <popcornmix@gmail.com>
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Date: Thu, 17 May 2012 14:44:19 +0100
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Subject: [PATCH 010/174] sdcard patch improvements from naren
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---
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drivers/mmc/host/sdhci-bcm2708.c | 23 +++++++----------------
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1 file changed, 7 insertions(+), 16 deletions(-)
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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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@@ -886,8 +886,7 @@ static void sdhci_bcm2708_dma_complete_i
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We get CRC and DEND errors unless we wait for
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the SD controller to finish reading/writing to the card. */
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u32 state_mask;
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- int timeout=1000000;
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- hptime_t now = hptime();
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+ int timeout=1000;
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DBG("PDMA over - sync card\n");
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if (data->flags & MMC_DATA_READ)
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@@ -895,17 +894,12 @@ static void sdhci_bcm2708_dma_complete_i
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else
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state_mask = SDHCI_DOING_WRITE;
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- while (0 != (sdhci_bcm2708_raw_readl(host,
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- SDHCI_PRESENT_STATE) &
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- state_mask) && --timeout > 0)
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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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continue;
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-
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- if (1000000-timeout > 4000) /*ave. is about 3250*/
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- DBG("%s: note - long %s sync %luns - "
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- "%d its.\n",
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- mmc_hostname(host->mmc),
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- data->flags & MMC_DATA_READ? "read": "write",
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- since_ns(now), 1000000-timeout);
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+ }
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if (timeout <= 0)
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printk(KERN_ERR"%s: final %s to SD card still "
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"running\n",
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@@ -1175,10 +1169,7 @@ static unsigned int sdhci_bcm2708_uhs_br
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static unsigned int sdhci_bcm2708_missing_status(struct sdhci_host *host)
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{
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- if(host->last_cmdop == MMC_SEND_STATUS)
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- return 1;
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- else
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- return 0;
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+ return 1;
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}
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/***************************************************************************** \
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