linux-kernel - [PATCH AUTOSEL 6.6 09/15] usb: host: xhci-plat: mvebu: use ->quirks instead of ->init

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Message-Id: <20250407181417.3183475-9-sashal@kernel.org>
Date: Mon,  7 Apr 2025 14:14:09 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Théo Lebrun <theo.lebrun@...tlin.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Sasha Levin <sashal@...nel.org>,
	mathias.nyman@...el.com,
	linux-usb@...r.kernel.org
Subject: [PATCH AUTOSEL 6.6 09/15] usb: host: xhci-plat: mvebu: use ->quirks instead of ->init_quirk() func

From: Théo Lebrun <theo.lebrun@...tlin.com>

[ Upstream commit 64eb182d5f7a5ec30227bce4f6922ff663432f44 ]

Compatible "marvell,armada3700-xhci" match data uses the
struct xhci_plat_priv::init_quirk() function pointer to add
XHCI_RESET_ON_RESUME as quirk on XHCI.

Instead, use the struct xhci_plat_priv::quirks field.

Signed-off-by: Théo Lebrun <theo.lebrun@...tlin.com>
Link: https://lore.kernel.org/r/20250205-s2r-cdns-v7-1-13658a271c3c@bootlin.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/usb/host/xhci-mvebu.c | 10 ----------
 drivers/usb/host/xhci-mvebu.h |  6 ------
 drivers/usb/host/xhci-plat.c  |  2 +-
 3 files changed, 1 insertion(+), 17 deletions(-)

diff --git a/drivers/usb/host/xhci-mvebu.c b/drivers/usb/host/xhci-mvebu.c
index 87f1597a0e5ab..257e4d79971fd 100644
--- a/drivers/usb/host/xhci-mvebu.c
+++ b/drivers/usb/host/xhci-mvebu.c
@@ -73,13 +73,3 @@ int xhci_mvebu_mbus_init_quirk(struct usb_hcd *hcd)
 
 	return 0;
 }
-
-int xhci_mvebu_a3700_init_quirk(struct usb_hcd *hcd)
-{
-	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
-
-	/* Without reset on resume, the HC won't work at all */
-	xhci->quirks |= XHCI_RESET_ON_RESUME;
-
-	return 0;
-}
diff --git a/drivers/usb/host/xhci-mvebu.h b/drivers/usb/host/xhci-mvebu.h
index 3be021793cc8b..9d26e22c48422 100644
--- a/drivers/usb/host/xhci-mvebu.h
+++ b/drivers/usb/host/xhci-mvebu.h
@@ -12,16 +12,10 @@ struct usb_hcd;
 
 #if IS_ENABLED(CONFIG_USB_XHCI_MVEBU)
 int xhci_mvebu_mbus_init_quirk(struct usb_hcd *hcd);
-int xhci_mvebu_a3700_init_quirk(struct usb_hcd *hcd);
 #else
 static inline int xhci_mvebu_mbus_init_quirk(struct usb_hcd *hcd)
 {
 	return 0;
 }
-
-static inline int xhci_mvebu_a3700_init_quirk(struct usb_hcd *hcd)
-{
-	return 0;
-}
 #endif
 #endif /* __LINUX_XHCI_MVEBU_H */
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index d68e9abcdc69a..8832e0cedadaf 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -106,7 +106,7 @@ static const struct xhci_plat_priv xhci_plat_marvell_armada = {
 };
 
 static const struct xhci_plat_priv xhci_plat_marvell_armada3700 = {
-	.init_quirk = xhci_mvebu_a3700_init_quirk,
+	.quirks = XHCI_RESET_ON_RESUME,
 };
 
 static const struct xhci_plat_priv xhci_plat_brcm = {
-- 
2.39.5