mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-29 13:53:33 +00:00
Code Issues Releases Wiki Activity

mmc: core: provide macro and table to match the device tree to apply quirks

Browse source 
This (initially empty) table allows to match quirks early based
on .compatible of the child node of some mmc/sdio interface.

This allows to add quirks based on device tree instead of having
card specific code in the host ops.

A new macro SDIO_FIXUP_COMPATIBLE makes the definition readable.

And we call mmc_fixup_device(sdio_card_init_methods) just after
where host->ops->init_card() can be optionally called.

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Link: https://lore.kernel.org/r/b13fd8b3eebc3c23b6816b254a518c224cbdcfd4.1636564631.git.hns@goldelico.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
H. Nikolaus Schaller 2021-11-10 18:17:08 +01:00 committed by Ulf Hansson
parent b360b11026
commit 818cd40529
3 changed files with 20 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
drivers/mmc/core/card.h
View file

@ -122,6 +122,21 @@ struct mmc_fixup {
_vendor, _device, \
_fixup, _data, EXT_CSD_REV_ANY) \
#define SDIO_FIXUP_COMPATIBLE(_compatible, _fixup, _data) \
{ \
.name = CID_NAME_ANY, \
.manfid = CID_MANFID_ANY, \
.oemid = CID_OEMID_ANY, \
.rev_start = 0, \
.rev_end = -1ull, \
.cis_vendor = SDIO_ANY_ID, \
.cis_device = SDIO_ANY_ID, \
.vendor_fixup = (_fixup), \
.data = (_data), \
.ext_csd_rev = EXT_CSD_REV_ANY, \
.of_compatible = _compatible, \
}
#define cid_rev(hwrev, fwrev, year, month) \
(((u64) hwrev) << 40 | \
((u64) fwrev) << 32 | \

4
drivers/mmc/core/quirks.h
View file

@ -146,6 +146,10 @@ static const struct mmc_fixup __maybe_unused sdio_fixup_methods[] = {
END_FIXUP
};
static const struct mmc_fixup __maybe_unused sdio_card_init_methods[] = {
END_FIXUP
};
static inline bool mmc_fixup_of_compatible_match(struct mmc_card *card,
const char *compatible)
{

1
drivers/mmc/core/sdio.c
View file

@ -707,6 +707,7 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr,
*/
if (host->ops->init_card)
host->ops->init_card(host, card);
mmc_fixup_device(card, sdio_card_init_methods);
/*
* If the host and card support UHS-I mode request the card