Patchwork sdio: fix suspend/resume regression

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Submitter Ohad Ben-Cohen
Date Oct. 13, 2010, 7:31 a.m.
Message ID <1286955116-22793-1-git-send-email-ohad@wizery.com>
Download mbox | patch
Permalink /patch/249871/
State New, archived
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Patch

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index c94565d..515ff39 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1682,6 +1682,19 @@  int mmc_suspend_host(struct mmc_host *host)
 	if (host->bus_ops && !host->bus_dead) {
 		if (host->bus_ops->suspend)
 			err = host->bus_ops->suspend(host);
+		if (err == -ENOSYS || !host->bus_ops->resume) {
+			/*
+			 * We simply "remove" the card in this case.
+			 * It will be redetected on resume.
+			 */
+			if (host->bus_ops->remove)
+				host->bus_ops->remove(host);
+			mmc_claim_host(host);
+			mmc_detach_bus(host);
+			mmc_release_host(host);
+			host->pm_flags = 0;
+			err = 0;
+		}
 	}
 	mmc_bus_put(host);