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Commit b3546c97 authored by Lukasz Majewski's avatar Lukasz Majewski Committed by Felipe Balbi
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usb:hsotg:samsung: Remove Disconnect Interrupt handler 



The USB Disconnect Interrupt handler, according to specification,
is only working at HOST mode.

Samsung SoCs (e.g. Exynos4) are working at device mode, so
this interrupt is never caught.

Signed-off-by: default avatarLukasz Majewski <l.majewski@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 308d734e

drivers/usb/gadget/s3c-hsotg.c

+2 −10
Original line number Diff line number Diff line
@@ -2211,12 +2211,11 @@ static void s3c_hsotg_core_init(struct s3c_hsotg *hsotg) 
	/* Clear any pending interrupts */

	writel(0xffffffff, hsotg->regs + S3C_GINTSTS);



	writel(S3C_GINTSTS_DisconnInt | S3C_GINTSTS_SessReqInt |

	writel(S3C_GINTSTS_ErlySusp | S3C_GINTSTS_SessReqInt |

	       S3C_GINTSTS_GOUTNakEff | S3C_GINTSTS_GINNakEff |

	       S3C_GINTSTS_ConIDStsChng | S3C_GINTSTS_USBRst |

	       S3C_GINTSTS_EnumDone | S3C_GINTSTS_OTGInt |

	       S3C_GINTSTS_USBSusp | S3C_GINTSTS_WkUpInt |

	       S3C_GINTSTS_ErlySusp,

	       S3C_GINTSTS_USBSusp | S3C_GINTSTS_WkUpInt,

	       hsotg->regs + S3C_GINTMSK);



	if (using_dma(hsotg))
@@ -2339,13 +2338,6 @@ static irqreturn_t s3c_hsotg_irq(int irq, void *pw) 
		writel(otgint, hsotg->regs + S3C_GOTGINT);

	}



	if (gintsts & S3C_GINTSTS_DisconnInt) {

		dev_dbg(hsotg->dev, "%s: DisconnInt\n", __func__);

		writel(S3C_GINTSTS_DisconnInt, hsotg->regs + S3C_GINTSTS);



		s3c_hsotg_disconnect_irq(hsotg);

	}



	if (gintsts & S3C_GINTSTS_SessReqInt) {

		dev_dbg(hsotg->dev, "%s: SessReqInt\n", __func__);

		writel(S3C_GINTSTS_SessReqInt, hsotg->regs + S3C_GINTSTS);