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-rw-r--r--drivers/mmc/core/host.c5
-rw-r--r--drivers/mmc/core/quirks.c13
2 files changed, 14 insertions, 4 deletions
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index b3ac6c5bc5c..461e6a17fb9 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -160,10 +160,7 @@ static bool mmc_host_may_gate_card(struct mmc_card *card)
* gate the clock, because there is somebody out there that may still
* be using it.
*/
- if (mmc_card_sdio(card))
- return false;
-
- return true;
+ return !(card->quirks & MMC_QUIRK_BROKEN_CLK_GATING);
}
/**
diff --git a/drivers/mmc/core/quirks.c b/drivers/mmc/core/quirks.c
index e18cb49c12b..890843129e3 100644
--- a/drivers/mmc/core/quirks.c
+++ b/drivers/mmc/core/quirks.c
@@ -40,7 +40,20 @@ static void __maybe_unused remove_quirk(struct mmc_card *card, int data)
card->quirks &= ~data;
}
+/*
+ * 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;
+}
+
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 }
{ 0 }
};