Commit b45791d4 authored by André Draszik's avatar André Draszik Committed by Vinod Koul
Browse files

phy: exynos5-usbdrd: fix setting LINKSYSTEM_FLADJ on exynos7870 



The code here is trying to set the FLADJ field to 0x20, so it should
clear any previous value in that field before or'ing-in the new value.

Fixes: 588d5d20 ("phy: exynos5-usbdrd: add exynos7870 USBDRD support")
Signed-off-by: default avatarAndré Draszik <andre.draszik@linaro.org>
Link: https://lore.kernel.org/r/20250429-exynos5-phy-field-prep-v1-1-39eb279a3e0e@linaro.org


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent eb7a22f8

drivers/phy/samsung/phy-exynos5-usbdrd.c

+1 −0
Original line number Diff line number Diff line
@@ -1186,6 +1186,7 @@ static void exynos7870_usbdrd_utmi_init(struct exynos5_usbdrd_phy *phy_drd) 
	 * See xHCI 1.0 spec, 5.2.4

	 */

	reg |= LINKSYSTEM_XHCI_VERSION_CONTROL;

	reg &= ~LINKSYSTEM_FLADJ;

	reg |= FIELD_PREP_CONST(LINKSYSTEM_FLADJ, 0x20);

	/* Set VBUSVALID signal as the VBUS pad is not used */

	reg |= LINKSYSTEM_FORCE_BVALID;