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authorMarek Szyprowski <m.szyprowski@samsung.com>2020-07-08 16:38:00 +0300
committerVinod Koul <vkoul@kernel.org>2020-07-13 08:13:09 +0300
commitdcbabfeb17c3c2fdb6bc92a3031ecd37df1834a8 (patch)
tree62b0b4c02ebb2a8f9aa097d5b39844ebf23e85ae /drivers
parent03815930c162561a5c204494b4160d6ccf631b0b (diff)
downloadlinux-dcbabfeb17c3c2fdb6bc92a3031ecd37df1834a8.tar.xz
phy: exynos5-usbdrd: Calibrating makes sense only for USB2.0 PHY
PHY calibration is needed only for USB2.0 (UTMI) PHY, so skip calling calibration code when phy_calibrate() is called for USB3.0 (PIPE3) PHY. Fixes: d8c80bb3b55b ("phy: exynos5-usbdrd: Calibrate LOS levels for exynos5420/5800") Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20200708133800.3336-1-m.szyprowski@samsung.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/phy/samsung/phy-exynos5-usbdrd.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/phy/samsung/phy-exynos5-usbdrd.c b/drivers/phy/samsung/phy-exynos5-usbdrd.c
index eb06ce9f748f..9930d2027e94 100644
--- a/drivers/phy/samsung/phy-exynos5-usbdrd.c
+++ b/drivers/phy/samsung/phy-exynos5-usbdrd.c
@@ -714,7 +714,9 @@ static int exynos5_usbdrd_phy_calibrate(struct phy *phy)
struct phy_usb_instance *inst = phy_get_drvdata(phy);
struct exynos5_usbdrd_phy *phy_drd = to_usbdrd_phy(inst);
- return exynos5420_usbdrd_phy_calibrate(phy_drd);
+ if (inst->phy_cfg->id == EXYNOS5_DRDPHY_UTMI)
+ return exynos5420_usbdrd_phy_calibrate(phy_drd);
+ return 0;
}
static const struct phy_ops exynos5_usbdrd_phy_ops = {