Am 27.01.2015 um 12:55 schrieb Richard Weinberger:
On Tue, Jan 27, 2015 at 12:48 PM, Alexander Holler <hol...@ahsoftware.de> wrote:
It's an interesting detail, so inform the user about it.

Signed-off-by: Alexander Holler <hol...@ahsoftware.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));
+

Please make this a sysfs attribute.
Exposing such properties as log messages is horrible.

Look at the source at the message which is printed just before and decide which one you find more informational / useful.

Alexander Holler

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