The current mechanism is SDIO-only.
Signed-off-by: Andrei Warkentin <andr...@motorola.com>
---
drivers/mmc/core/quirks.c | 130 ++++++++++++++++++++++++++++++++++-----------
1 files changed, 98 insertions(+), 32 deletions(-)
diff --git a/drivers/mmc/core/quirks.c b/drivers/mmc/core/quirks.c
index 4fb16ac..f795b8d 100644
--- a/drivers/mmc/core/quirks.c
+++ b/drivers/mmc/core/quirks.c
@@ -13,41 +13,95 @@
#include <linux/mmc/card.h>
#include <linux/mod_devicetable.h>
+#define cid_rev(hwrev, fwrev, year, month) \
+ (((u64) hwrev) << 40 | \
+ ((u64) fwrev) << 32 | \
+ ((u64) year) << 16 | \
+ ((u64) month))
+
+#define cid_rev_card(card) \
+ cid_rev(card->cid.hwrev, \
+ card->cid.fwrev, \
+ card->cid.year, \
+ card->cid.month)
+
+
+
/*
* The world is not perfect and supplies us with broken mmc/sdio devices.
* For at least a part of these bugs we need a work-around
*/
struct mmc_fixup {
- u16 vendor, device; /* You can use SDIO_ANY_ID here of course */
+
+ /* CID-specific fields. */
+ const char *name;
+
+ /* Valid revision range */
+ u64 rev_start, rev_end;
+
+ unsigned int manfid;
+ unsigned short oemid;
+
+ /* SDIO-specfic fields. You can use SDIO_ANY_ID here of course */
+ u16 cis_vendor, cis_device;
+
void (*vendor_fixup)(struct mmc_card *card, int data);
int data;
};
-/*
- * This hook just adds a quirk unconditionnally
- */
-static void __maybe_unused add_quirk(struct mmc_card *card, int data)
-{
- card->quirks |= data;
-}
+#define CID_MANFID_ANY (-1ul)
+#define CID_OEMID_ANY ((unsigned short) -1)
+#define CID_NAME_ANY (NULL)
-/*
- * This hook just removes a quirk unconditionnally
- */
-static void __maybe_unused remove_quirk(struct mmc_card *card, int data)
-{
- card->quirks &= ~data;
-}
+#define END_FIXUP { 0 }
-/*
- * This hook just adds a quirk for all sdio devices
- */
-static void add_quirk_for_sdio_devices(struct mmc_card *card, int data)
-{
- if (mmc_card_sdio(card))
- card->quirks |= data;
-}
+#define _FIXUP_EXT(_name, _manfid, _oemid, _rev_start, _rev_end, \
+ _cis_vendor, _cis_device, \
+ _fixup, _data) \
+ { \
+ .name = (_name), \
+ .manfid = (_manfid), \
+ .oemid = (_oemid), \
+ .rev_start = (_rev_start), \
+ .rev_end = (_rev_end), \
+ .cis_vendor = (_cis_vendor), \
+ .cis_device = (_cis_device), \
+ .vendor_fixup = (_fixup), \
+ .data = (_data), \
+ }
+
+#define MMC_FIXUP_REV(_name, _manfid, _oemid, _rev_start, _rev_end, \
+ _fixup, _data) \
+ _FIXUP_EXT(_name, _manfid, \
+ _oemid, _rev_start, _rev_end, \
+ SDIO_ANY_ID, SDIO_ANY_ID, \
+ _fixup, _data) \
+
+#define MMC_FIXUP(_name, _manfid, _oemid, _fixup, _data) \
+ MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data)
+
+#define SDIO_FIXUP(_vendor, _device, _fixup, _data) \
+ _FIXUP_EXT(CID_NAME_ANY, CID_MANFID_ANY, \
+ CID_OEMID_ANY, 0, -1ull, \
+ _vendor, _device, \
+ _fixup, _data) \
+
+ /*
+ * This hook just adds a quirk unconditionnally
+ */
+ static void __maybe_unused add_quirk(struct mmc_card *card, int data)
+ {
+ card->quirks |= data;
+ }
+
+ /*
+ * This hook just removes a quirk unconditionnally
+ */
+ static void __maybe_unused remove_quirk(struct mmc_card *card, int data)
+ {
+ card->quirks &= ~data;
+ }
#ifndef SDIO_VENDOR_ID_TI
#define SDIO_VENDOR_ID_TI 0x0097
@@ -58,24 +112,36 @@ static void add_quirk_for_sdio_devices(struct mmc_card
*card, int data)
#endif
static const struct mmc_fixup mmc_fixup_methods[] = {
+
/* by default sdio devices are considered CLK_GATING broken */
/* good cards will be whitelisted as they are tested */
- { SDIO_ANY_ID, SDIO_ANY_ID,
- add_quirk_for_sdio_devices, MMC_QUIRK_BROKEN_CLK_GATING },
- { SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271,
- remove_quirk, MMC_QUIRK_BROKEN_CLK_GATING },
- { 0 }
+ SDIO_FIXUP(SDIO_ANY_ID, SDIO_ANY_ID,
+ add_quirk, MMC_QUIRK_BROKEN_CLK_GATING),
+
+ SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271,
+ remove_quirk, MMC_QUIRK_BROKEN_CLK_GATING),
+
+ END_FIXUP
};
void mmc_fixup_device(struct mmc_card *card)
{
const struct mmc_fixup *f;
+ u64 rev = cid_rev_card(card);
for (f = mmc_fixup_methods; f->vendor_fixup; f++) {
- if ((f->vendor == card->cis.vendor
- || f->vendor == (u16) SDIO_ANY_ID) &&
- (f->device == card->cis.device
- || f->device == (u16) SDIO_ANY_ID)) {
+ 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);
}
--
1.7.0.4
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