Message ID | 1563199312-18842-6-git-send-email-biju.das@bp.renesas.com (mailing list archive) |
---|---|
State | Accepted |
Headers | show |
Series | Add USB Host support | expand |
Hi! > @@ -212,6 +212,9 @@ static void rcar_gen3_init_from_a_peri_to_a_host(struct rcar_gen3_chan *ch) > > static bool rcar_gen3_check_id(struct rcar_gen3_chan *ch) > { > + if (!ch->uses_otg_pins) > + return (ch->dr_mode == USB_DR_MODE_HOST) ? false : true; I'd write this as "return ch->dr_mode != USB_DR_MODE_HOST;" I'll take the patch, anyway, but there's room for future cleanup. Best regards, Pavel
HI Pavel, Thanks for the feedback. > -----Original Message----- > From: Pavel Machek <pavel@denx.de> > Sent: Tuesday, July 16, 2019 1:05 PM > To: Biju Das <biju.das@bp.renesas.com> > Cc: cip-dev@lists.cip-project.org > Subject: Re: [cip-dev] [PATCH 4.19.y-cip 05/12] phy: renesas: rcar-gen3-usb2: > add conditions for uses_otg_pins == false > > Hi! > > > @@ -212,6 +212,9 @@ static void > > rcar_gen3_init_from_a_peri_to_a_host(struct rcar_gen3_chan *ch) > > > > static bool rcar_gen3_check_id(struct rcar_gen3_chan *ch) { > > + if (!ch->uses_otg_pins) > > + return (ch->dr_mode == USB_DR_MODE_HOST) ? false : > true; > > I'd write this as > > "return ch->dr_mode != USB_DR_MODE_HOST;" > > I'll take the patch, anyway, but there's room for future cleanup. Yes I agree. There is a room for improvement in future. Regards, Biju
diff --git a/drivers/phy/renesas/phy-rcar-gen3-usb2.c b/drivers/phy/renesas/phy-rcar-gen3-usb2.c index 575b3d2..4d5cfe5 100644 --- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c +++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c @@ -150,7 +150,7 @@ 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) + if (ch->uses_otg_pins && enable) val |= USB2_OBINT_BITS; else val &= ~USB2_OBINT_BITS; @@ -212,6 +212,9 @@ static void rcar_gen3_init_from_a_peri_to_a_host(struct rcar_gen3_chan *ch) static bool rcar_gen3_check_id(struct rcar_gen3_chan *ch) { + if (!ch->uses_otg_pins) + return (ch->dr_mode == USB_DR_MODE_HOST) ? false : true; + return !!(readl(ch->base + USB2_ADPCTRL) & USB2_ADPCTRL_IDDIG); }