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phy: usb: Use slow clock for wake enabled suspend

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[ Upstream commit 700c44b508 ]

The logic was incorrect when switching to slow clock. We want the slow
clock if wake_enabled is set.

Fixes: ae532b2b7a ("phy: usb: Add "wake on" functionality for newer Synopsis XHCI controllers")
Signed-off-by: Justin Chen <justinpopo6@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/1665005418-15807-6-git-send-email-justinpopo6@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Justin Chen
2022-10-05 14:30:17 -07:00
committed by Greg Kroah-Hartman
parent 0bceef84f7
commit d19f1664c8
1 changed files with 3 additions and 4 deletions
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7
drivers/phy/broadcom/phy-brcm-usb-init-synopsys.c
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@@ -331,13 +331,12 @@ static void usb_uninit_common_7216(struct brcm_usb_init_params *params)
pr_debug("%s\n", __func__);
if (!params->wake_enabled) {
USB_CTRL_SET(ctrl, USB_PM, USB_PWRDN);
if (params->wake_enabled) {
/* Switch to using slower clock during suspend to save power */
USB_CTRL_SET(ctrl, USB_PM, XHC_S2_CLK_SWITCH_EN);
} else {
usb_wake_enable_7216(params, true);
} else {
USB_CTRL_SET(ctrl, USB_PM, USB_PWRDN);
}
}