[PATCH v2 03/11] phy: mtk-tphy: make shared reg optional for v1
Frank Wunderlich
linux at fw-web.de
Wed Aug 19 10:02:17 CEST 2020
From: Frank Wunderlich <frank-w at public-files.de>
make the shared reg optional when version is v1 for sata
Suggested-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
Signed-off-by: Frank Wunderlich <frank-w at public-files.de>
---
drivers/phy/phy-mtk-tphy.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
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) {
--
2.25.1
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