From: Frank Wunderlich <frank-w@public-files.de>
Date: Thu, 20 Aug 2020 14:37:52 +0000 (+0200)
Subject: phy: mtk-tphy: make shared reg optional for v1
X-Git-Tag: v2025.01-rc5-pxa1908~2242^2~11
X-Git-Url: http://git.dujemihanovic.xyz/img/html/static/%7B%7B?a=commitdiff_plain;h=626892a779addb9604387ece522e3410d3ef3aa5;p=u-boot.git

phy: mtk-tphy: make shared reg optional for v1

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>
---

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) {