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45 lines
1.1 KiB
Diff
45 lines
1.1 KiB
Diff
From bd8df907ee8e95143d1bb7ec01ee0e4b6f7e1b79 Mon Sep 17 00:00:00 2001
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From: San Mehat <san@android.com>
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Date: Mon, 1 Dec 2008 08:52:34 -0800
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Subject: [PATCH 098/134] mmc: sd: When resuming, try a little harder to init the card
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Signed-off-by: San Mehat <san@android.com>
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---
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drivers/mmc/core/sd.c | 19 +++++++++++++++++++
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1 files changed, 19 insertions(+), 0 deletions(-)
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--- a/drivers/mmc/core/sd.c
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+++ b/drivers/mmc/core/sd.c
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@@ -607,12 +607,31 @@ static void mmc_sd_suspend(struct mmc_ho
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static void mmc_sd_resume(struct mmc_host *host)
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{
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int err;
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+#ifdef CONFIG_MMC_PARANOID_SD_INIT
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+ int retries;
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+#endif
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BUG_ON(!host);
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BUG_ON(!host->card);
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mmc_claim_host(host);
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+#ifdef CONFIG_MMC_PARANOID_SD_INIT
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+ retries = 5;
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+ while (retries) {
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+ err = mmc_sd_init_card(host, host->ocr, host->card);
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+
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+ if (err) {
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+ printk(KERN_ERR "%s: Re-init card rc = %d (retries = %d)\n",
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+ mmc_hostname(host), err, retries);
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+ mdelay(5);
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+ retries--;
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+ continue;
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+ }
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+ break;
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+ }
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+#else
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err = mmc_sd_init_card(host, host->ocr, host->card);
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+#endif
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mmc_release_host(host);
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if (err) {
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