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[v2,1/5] mmc: rockchip_sdhci: Skip blocks read workaround on RK3399

Message ID 20230517184028.1769172-2-jonas@kwiboo.se
State Accepted
Commit 41fc80b8da9664835bdce2beed7882fcdaa0a48c
Delegated to: Kever Yang
Headers show
Series rockchip: Fix eMMC performance regression | expand

Commit Message

Jonas Karlman May 17, 2023, 6:40 p.m. UTC
The workaround to limit number of blocks to read in a single command
should only be applied to RK3568 and RK3588. Change to be more strict
when to apply the workaround.

Fixes: 2cc6cde647e2 ("mmc: rockchip_sdhci: Limit number of blocks read in a single command")
Suggested-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Tested-by: Quentin Schulz <foss+uboot@0leil.net> # RK3399 Puma, RK3588 Tiger
---
v2:
- Collect r-b and t-b tags

 drivers/mmc/rockchip_sdhci.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/mmc/rockchip_sdhci.c b/drivers/mmc/rockchip_sdhci.c
index 4f110976f4e8..8e4a158049a9 100644
--- a/drivers/mmc/rockchip_sdhci.c
+++ b/drivers/mmc/rockchip_sdhci.c
@@ -594,7 +594,9 @@  static int rockchip_sdhci_probe(struct udevice *dev)
 	 * triggers Data End Bit Error on RK3568 and RK3588. Limit to reading
 	 * max 4 blocks in one command when using PIO mode.
 	 */
-	if (!(host->flags & USE_DMA))
+	if (!(host->flags & USE_DMA) &&
+	    (device_is_compatible(dev, "rockchip,rk3568-dwcmshc") ||
+	     device_is_compatible(dev, "rockchip,rk3588-dwcmshc")))
 		cfg->b_max = 4;
 
 	return sdhci_probe(dev);