On 01/27/15 12:48, Alexander Holler wrote:
It's an interesting detail, so inform the user about it.
Signed-off-by: Alexander Holler<holler@xxxxxxxxxxxxx>
---
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));
+
If you want to expose this info you could also consider doing it in the
debugfs folder that is created below.
#ifdef CONFIG_DEBUG_FS
mmc_add_card_debugfs(card);
#endif
Regards,
Arend
[1] http://lxr.free-electrons.com/ident?i=mmc_add_card_debugfs
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