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mmc: core: propagate removable attribute to driver core

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Userspace can use this to distinguish hotpluggable mmc devices such as
sdcards from non-hotpluggable ones such as eMMC.
One example is the lsblk tool from util-linux.

Note that dev_set_removable() is not related to GENHD_FL_REMOVABLE which
is not applicable as per the comment in drivers/mmc/core/block.c

Link: https://github.com/util-linux/util-linux/issues/2379
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Link: https://lore.kernel.org/r/20230725-mmc-removable-v1-1-b2e0c4f18e6d@weissschuh.net
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Thomas Weißschuh 2023-07-25 16:17:25 +02:00 committed by Ulf Hansson
parent c62da8a8a9
commit 9e4f4fe5ec
1 changed files with 3 additions and 0 deletions
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3
drivers/mmc/core/bus.c
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@ -310,6 +310,9 @@ int mmc_add_card(struct mmc_card *card)
dev_set_name(&card->dev, "%s:%04x", mmc_hostname(card->host), card->rca);
dev_set_removable(&card->dev,
mmc_card_is_removable(card->host) ?
DEVICE_REMOVABLE : DEVICE_FIXED);
switch (card->type) {
case MMC_TYPE_MMC: