Now that the code has been refactored enough,
switching over to using ->plat_start() and
->init_quirk() becomes a very simple patch.
After this patch, there are no further uses for
xhci_plat_type_is() which will be removed in a
follow-up patch.
Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
---
drivers/usb/host/xhci-plat.c | 55 ++++++++++++++++++++++----------------------
1 file changed, 27 insertions(+), 28 deletions(-)
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 9bdf016d9080..9e84992805d6 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -37,27 +37,32 @@ static const struct xhci_driver_overrides xhci_plat_overrides __initconst = {
.start = xhci_plat_start,
};
-static void xhci_plat_quirks(struct device *dev, struct xhci_hcd *xhci)
+static void xhci_priv_plat_start(struct usb_hcd *hcd)
+{
+ struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);
+
+ if (priv->plat_start)
+ priv->plat_start(hcd);
+}
+
+static int xhci_priv_init_quirk(struct usb_hcd *hcd)
{
- struct usb_hcd *hcd = xhci_to_hcd(xhci);
+ struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);
+
+ if (!priv->init_quirk)
+ return 0;
+ return priv->init_quirk(hcd);
+}
+
+static void xhci_plat_quirks(struct device *dev, struct xhci_hcd *xhci)
+{
/*
* As of now platform drivers don't provide MSI support so we ensure
* here that the generic code does not try to make a pci_dev from our
* dev struct in order to setup MSI
*/
xhci->quirks |= XHCI_PLAT;
-
- /*
- * On R-Car Gen2 and Gen3, the AC64 bit (bit 0) of HCCPARAMS1 is set
- * to 1. However, these SoCs don't support 64-bit address memory
- * pointers. So, this driver clears the AC64 bit of xhci->hcc_params
- * to call dma_set_coherent_mask(dev, DMA_BIT_MASK(32)) in
- * xhci_gen_setup().
- */
- if (xhci_plat_type_is(hcd, XHCI_PLAT_TYPE_RENESAS_RCAR_GEN2) ||
- xhci_plat_type_is(hcd, XHCI_PLAT_TYPE_RENESAS_RCAR_GEN3))
- xhci->quirks |= XHCI_NO_64BIT_SUPPORT;
}
/* called during probe() after chip reset completes */
@@ -65,44 +70,38 @@ static int xhci_plat_setup(struct usb_hcd *hcd)
{
int ret;
- if (xhci_plat_type_is(hcd, XHCI_PLAT_TYPE_RENESAS_RCAR_GEN2) ||
- xhci_plat_type_is(hcd, XHCI_PLAT_TYPE_RENESAS_RCAR_GEN3)) {
- ret = xhci_rcar_init_quirk(hcd);
- if (ret)
- return ret;
- }
- if (xhci_plat_type_is(hcd, XHCI_PLAT_TYPE_MARVELL_ARMADA)) {
- ret = xhci_mvebu_mbus_init_quirk(hcd);
- if (ret)
- return ret;
- }
+ ret = xhci_priv_init_quirk(hcd);
+ if (ret)
+ return ret;
return xhci_gen_setup(hcd, xhci_plat_quirks);
}
static int xhci_plat_start(struct usb_hcd *hcd)
{
- if (xhci_plat_type_is(hcd, XHCI_PLAT_TYPE_RENESAS_RCAR_GEN2) ||
- xhci_plat_type_is(hcd, XHCI_PLAT_TYPE_RENESAS_RCAR_GEN3))
- xhci_rcar_start(hcd);
-
+ xhci_priv_plat_start(hcd);
return xhci_run(hcd);
}
#ifdef CONFIG_OF
static const struct xhci_plat_priv xhci_plat_marvell_armada = {
.type = XHCI_PLAT_TYPE_MARVELL_ARMADA,
+ .init_quirk = xhci_mvebu_mbus_init_quirk,
};
static const struct xhci_plat_priv xhci_plat_renesas_rcar_gen2 = {
.type = XHCI_PLAT_TYPE_RENESAS_RCAR_GEN2,
.firmware_name = XHCI_RCAR_FIRMWARE_NAME_V1,
+ .init_quirk = xhci_rcar_init_quirk,
+ .plat_start = xhci_rcar_start,
};
static const struct xhci_plat_priv xhci_plat_renesas_rcar_gen3 = {
.type = XHCI_PLAT_TYPE_RENESAS_RCAR_GEN3,
.firmware_name = XHCI_RCAR_FIRMWARE_NAME_V2,
+ .init_quirk = xhci_rcar_init_quirk,
+ .plat_start = xhci_rcar_start,
};
static const struct of_device_id usb_xhci_of_match[] = {
--
2.8.1
--
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