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* [PATCH] mmc: dt: Add property for broken hs200 quirk
@ 2014-12-12 19:28 Bjorn Andersson
  2014-12-19 11:38 ` Ulf Hansson
  0 siblings, 1 reply; 5+ messages in thread
From: Bjorn Andersson @ 2014-12-12 19:28 UTC (permalink / raw)
  To: Ulf Hansson, Anton Vorontsov, Chris Ball, Rob Herring, Pawel Moll,
	Mark Rutland, Ian Campbell, Grant Likely
  Cc: open list:OPEN FIRMWARE AND..., open list,
	open list:SECURE DIGITAL HO...

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
---
 Documentation/devicetree/bindings/mmc/mmc.txt | 2 ++
 drivers/mmc/host/sdhci-pltfm.c                | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt
index b52628b..04f80ef 100644
--- a/Documentation/devicetree/bindings/mmc/mmc.txt
+++ b/Documentation/devicetree/bindings/mmc/mmc.txt
@@ -22,6 +22,8 @@ Optional properties:
 - wp-inverted: when present, polarity on the WP line is inverted. See the note
   below for the case, when a GPIO is used for the WP line
 - max-frequency: maximum operating clock frequency
+- broken-hs200: when present, denotes that eMMC HS200 modes are not supported on
+  this system, even if the controller claims it is.
 - no-1-8-v: when present, denotes that 1.8v card voltage is not supported on
   this system, even if the controller claims it is.
 - cap-sd-highspeed: SD high-speed timing is supported
diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index c5b01d6..570837f 100644
--- a/drivers/mmc/host/sdhci-pltfm.c
+++ b/drivers/mmc/host/sdhci-pltfm.c
@@ -90,6 +90,9 @@ void sdhci_get_of_property(struct platform_device *pdev)
 		if (of_get_property(np, "broken-cd", NULL))
 			host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
 
+		if (of_get_property(np, "broken-hs200", NULL))
+			host->quirks2 |= SDHCI_QUIRK2_BROKEN_HS200;
+
 		if (of_get_property(np, "no-1-8-v", NULL))
 			host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V;
 
-- 
1.8.2.2


^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2014-12-29 22:37 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-12-12 19:28 [PATCH] mmc: dt: Add property for broken hs200 quirk Bjorn Andersson
2014-12-19 11:38 ` Ulf Hansson
2014-12-19 20:01   ` Bjorn Andersson
2014-12-22 10:04     ` Ulf Hansson
2014-12-29 22:37       ` Bjorn Andersson

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