diff options
Diffstat (limited to 'drivers/phy')
| -rw-r--r-- | drivers/phy/renesas/phy-rcar-gen3-usb2.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/phy/renesas/phy-rcar-gen3-usb2.c b/drivers/phy/renesas/phy-rcar-gen3-usb2.c index 856056e14b26..e7eaed9549a3 100644 --- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c +++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c @@ -142,6 +142,18 @@ static void rcar_gen3_enable_vbus_ctrl(struct rcar_gen3_chan *ch, int vbus) writel(val, usb2_base + USB2_ADPCTRL); } +static void rcar_gen3_control_otg_irq(struct rcar_gen3_chan *ch, int enable) +{ + void __iomem *usb2_base = ch->base; + u32 val = readl(usb2_base + USB2_OBINTEN); + + if (enable) + val |= USB2_OBINT_BITS; + else + val &= ~USB2_OBINT_BITS; + writel(val, usb2_base + USB2_OBINTEN); +} + static void rcar_gen3_init_for_host(struct rcar_gen3_chan *ch) { rcar_gen3_set_linectrl(ch, 1, 1); @@ -187,16 +199,12 @@ static void rcar_gen3_init_for_a_peri(struct rcar_gen3_chan *ch) static void rcar_gen3_init_from_a_peri_to_a_host(struct rcar_gen3_chan *ch) { - void __iomem *usb2_base = ch->base; - u32 val; - - val = readl(usb2_base + USB2_OBINTEN); - writel(val & ~USB2_OBINT_BITS, usb2_base + USB2_OBINTEN); + rcar_gen3_control_otg_irq(ch, 0); rcar_gen3_enable_vbus_ctrl(ch, 1); rcar_gen3_init_for_host(ch); - writel(val | USB2_OBINT_BITS, usb2_base + USB2_OBINTEN); + rcar_gen3_control_otg_irq(ch, 1); } static bool rcar_gen3_check_id(struct rcar_gen3_chan *ch) @@ -286,8 +294,7 @@ static void rcar_gen3_init_otg(struct rcar_gen3_chan *ch) val = readl(usb2_base + USB2_VBCTRL); writel(val | USB2_VBCTRL_DRVVBUSSEL, usb2_base + USB2_VBCTRL); writel(USB2_OBINT_BITS, usb2_base + USB2_OBINTSTA); - val = readl(usb2_base + USB2_OBINTEN); - writel(val | USB2_OBINT_BITS, usb2_base + USB2_OBINTEN); + rcar_gen3_control_otg_irq(ch, 1); val = readl(usb2_base + USB2_ADPCTRL); writel(val | USB2_ADPCTRL_IDPULLUP, usb2_base + USB2_ADPCTRL); val = readl(usb2_base + USB2_LINECTRL1); |