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| author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2018-09-21 20:53:21 +0900 |
|---|---|---|
| committer | Kishon Vijay Abraham I <kishon@ti.com> | 2018-09-25 16:10:10 +0530 |
| commit | 7ab0305d4d7725699169e21cdc4f6c8759c32feb (patch) | |
| tree | 540dc6e5577ef8b804ec85db3621d51a1cbce9cd /drivers/phy/renesas/phy-rcar-gen3-usb2.c | |
| parent | 8dde0008ffc9e2e214ef916821959fe6706ff9f0 (diff) | |
| download | lwn-7ab0305d4d7725699169e21cdc4f6c8759c32feb.tar.gz lwn-7ab0305d4d7725699169e21cdc4f6c8759c32feb.zip | |
phy: renesas: rcar-gen3-usb2: unify OBINTEN handling
This patch unifies the OBINTEN handling to clean-up the code.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'drivers/phy/renesas/phy-rcar-gen3-usb2.c')
| -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); |