[v3,1/4] mmc: core: expose MMC_CAP2_CQE* to dt

Message ID 1581922564-24914-2-git-send-email-chun-hung.wu@mediatek.com
State Superseded
Headers show
Series
  • mmc: mediatek: add mmc cqhci support
Related show

Commit Message

Chun-Hung Wu Feb. 17, 2020, 6:56 a.m.
Expose MMC_CAP2_CQE and MMC_CAP2_CQE_DCMD
to host->caps2 if
1. "supports-cqe" is defined in dt and
2. "disable-cqe-dcmd" is not defined in dt.

Signed-off-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>

---
 drivers/mmc/core/host.c | 8 ++++++++
 1 file changed, 8 insertions(+)

-- 
1.9.1

Patch

diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 105b7a7..efb0dbe 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -319,6 +319,14 @@  int mmc_of_parse(struct mmc_host *host)
 		host->caps2 |= MMC_CAP2_NO_SD;
 	if (device_property_read_bool(dev, "no-mmc"))
 		host->caps2 |= MMC_CAP2_NO_MMC;
+	if (device_property_read_bool(dev, "supports-cqe"))
+		host->caps2 |= MMC_CAP2_CQE;
+
+	/* Must be after "supports-cqe" check */
+	if (!device_property_read_bool(dev, "disable-cqe-dcmd")) {
+		if (host->caps2 & MMC_CAP2_CQE)
+			host->caps2 |= MMC_CAP2_CQE_DCMD;
+	}
 
 	/* Must be after "non-removable" check */
 	if (device_property_read_u32(dev, "fixed-emmc-driver-type", &drv_type) == 0) {