linux-kernel - [PATCH] mmc: print message if a card supports secure erase/trim

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Date:	Tue, 27 Jan 2015 12:48:24 +0100
From:	Alexander Holler <holler@...oftware.de>
To:	linux-mmc@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Chris Ball <chris@...ntf.net>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Alexander Holler <holler@...oftware.de>
Subject: [PATCH] mmc: print message if a card supports secure erase/trim

It's an interesting detail, so inform the user about it.

Signed-off-by: Alexander Holler <holler@...oftware.de>
---
 drivers/mmc/core/bus.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index 8a1f124..4a60028 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -347,6 +347,10 @@ int mmc_add_card(struct mmc_card *card)
 			uhs_bus_speed_mode, type, card->rca);
 	}
 
+	if (mmc_can_secure_erase_trim(card))
+		pr_info("%s: card supports secure erase/trim\n",
+			mmc_hostname(card->host));
+
 #ifdef CONFIG_DEBUG_FS
 	mmc_add_card_debugfs(card);
 #endif
-- 
2.1.0

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