diff options
Diffstat (limited to 'drivers/mmc/core/quirks.c')
| -rw-r--r-- | drivers/mmc/core/quirks.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/mmc/core/quirks.c b/drivers/mmc/core/quirks.c new file mode 100644 index 000000000000..981c11343f45 --- /dev/null +++ b/drivers/mmc/core/quirks.c @@ -0,0 +1,48 @@ +/* + * This file contains work-arounds for many known sdio hardware + * bugs. + * + * Copyright (c) 2011 Pierre Tardy <tardyp@gmail.com> + * Inspired from pci fixup code: + * Copyright (c) 1999 Martin Mares <mj@ucw.cz> + * + */ + +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/mmc/card.h> + +static const struct mmc_fixup mmc_fixup_methods[] = { + END_FIXUP +}; + +void mmc_fixup_device(struct mmc_card *card, + const struct mmc_fixup *table) +{ + const struct mmc_fixup *f; + u64 rev = cid_rev_card(card); + + /* Non-core specific workarounds. */ + if (!table) + table = mmc_fixup_methods; + + for (f = table; f->vendor_fixup; f++) { + if ((f->manfid == CID_MANFID_ANY + || f->manfid == card->cid.manfid) && + (f->oemid == CID_OEMID_ANY + || f->oemid == card->cid.oemid) && + (f->name == CID_NAME_ANY + || !strcmp(f->name, card->cid.prod_name)) && + (f->cis_vendor == card->cis.vendor + || f->cis_vendor == (u16) SDIO_ANY_ID) && + (f->cis_device == card->cis.device + || f->cis_device == (u16) SDIO_ANY_ID) && + rev >= f->rev_start && + rev <= f->rev_end) { + dev_dbg(&card->dev, "calling %pF\n", f->vendor_fixup); + f->vendor_fixup(card, f->data); + } + } +} +EXPORT_SYMBOL(mmc_fixup_device); + |