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[09/12] mmc: core: Add shutdown callback for (e)MMC bus_ops

Message ID 1370876627-13439-10-git-send-email-ulf.hansson@stericsson.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ulf Hansson June 10, 2013, 3:03 p.m. UTC 
From: Ulf Hansson <ulf.hansson@linaro.org>

The shutdown sequence of an (e)MMC is very similar to a suspend. We
re-use the suspend function and tell it we are not in suspend context.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---
 drivers/mmc/core/mmc.c |   10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index dcf0169..3aafb2e 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1509,6 +1509,14 @@  static int mmc_suspend(struct mmc_host *host)
 }
 
 /*
+ * Shutdown callback
+ */
+static int mmc_shutdown(struct mmc_host *host)
+{
+	return _mmc_suspend(host, false);
+}
+
+/*
  * Resume callback from host.
  *
  * This function tries to determine if the same card is still present
@@ -1597,6 +1605,7 @@  static const struct mmc_bus_ops mmc_ops = {
 	.resume = NULL,
 	.power_restore = mmc_power_restore,
 	.alive = mmc_alive,
+	.shutdown = mmc_shutdown,
 };
 
 static const struct mmc_bus_ops mmc_ops_unsafe = {
@@ -1608,6 +1617,7 @@  static const struct mmc_bus_ops mmc_ops_unsafe = {
 	.runtime_resume = mmc_runtime_resume,
 	.power_restore = mmc_power_restore,
 	.alive = mmc_alive,
+	.shutdown = mmc_shutdown,
 };
 
 static void mmc_attach_bus_ops(struct mmc_host *host)