diff mbox series

[v4,03/11] phy: mtk-tphy: make shared reg optional for v1

Message ID 20200820105826.6229-4-linux@fw-web.de
State Superseded
Delegated to: Marek Vasut
Headers show
Series Add MTK AHCI driver, BPI-R64 dts and USB-Nodes for mt7622> | expand

Commit Message

Frank Wunderlich Aug. 20, 2020, 10:58 a.m. UTC 
From: Frank Wunderlich <frank-w@public-files.de>

make the shared reg optional when version is v1 for sata

Suggested-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
 drivers/phy/phy-mtk-tphy.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/phy/phy-mtk-tphy.c b/drivers/phy/phy-mtk-tphy.c
index 326227a30d..3d7b9cd2b1 100644
--- a/drivers/phy/phy-mtk-tphy.c
+++ b/drivers/phy/phy-mtk-tphy.c
@@ -698,11 +698,10 @@  static int mtk_tphy_probe(struct udevice *dev)
 	tphy->dev = dev;
 	tphy->version = dev_get_driver_data(dev);
 
-	/* v1 has shared banks */
+	/* v1 has shared banks for usb/pcie mode, */
+	/* but not for sata mode */
 	if (tphy->version == MTK_TPHY_V1) {
 		tphy->sif_base = dev_read_addr_ptr(dev);
-		if (!tphy->sif_base)
-			return -ENOENT;
 	}
 
 	dev_for_each_subnode(subnode, dev) {