[PATCH v5 1/8] phy: mtk-tphy: make shared reg optional for v1

Frank Wunderlich
2020-08-20T13:40:38Z

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 --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