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mmc: get back read-only switch function

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Somehow the code to read the read-only switch of SD cards got lost
in the reorganisation.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
This commit is contained in:
Pierre Ossman 2007-06-13 19:06:03 +02:00
parent 0107a4b32e
commit c3bff2ec10
1 changed files with 15 additions and 0 deletions
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15
drivers/mmc/core/sd.c
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@ -427,6 +427,21 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr,
mmc_set_bus_width(host, MMC_BUS_WIDTH_4); mmc_set_bus_width(host, MMC_BUS_WIDTH_4);
} }
/*
* Check if read-only switch is active.
*/
if (!oldcard) {
if (!host->ops->get_ro) {
printk(KERN_WARNING "%s: host does not "
"support reading read-only "
"switch. assuming write-enable.\n",
mmc_hostname(host));
} else {
if (host->ops->get_ro(host))
mmc_card_set_readonly(card);
}
}
if (!oldcard) if (!oldcard)
host->card = card; host->card = card;