[PATCH v8 2/3] mmc: core: add Kingston CID to quirks

From: Adrián García Casado

Date: Thu Mar 19 2026 - 16:10:25 EST


The CID_MANFID_KINGSTON definition is required for centralized
management of microSD cards. This allows identifying Kingston cards
that require specific workarounds.

Add the CID_MANFID_KINGSTON definition and its association with the
known Kingston manufacturer ID.

Signed-off-by: Adrián García Casado <adriangarciacasado42@xxxxxxxxx>
---
drivers/mmc/core/quirks.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/mmc/core/quirks.h b/drivers/mmc/core/quirks.h
index c417ed34c0576..d736bb4bedf7b 100644
--- a/drivers/mmc/core/quirks.h
+++ b/drivers/mmc/core/quirks.h
@@ -15,6 +15,10 @@

#include "card.h"

+#ifndef CID_MANFID_KINGSTON
+#define CID_MANFID_KINGSTON 0x70
+#endif
+
static const struct mmc_fixup __maybe_unused mmc_sd_fixups[] = {
/*
* Kingston Canvas Go! Plus microSD cards never finish SD cache flush.
--
2.47.3