usb:hsotg:samsung: Remove Disconnect Interrupt handler
authorLukasz Majewski <l.majewski@samsung.com>
Fri, 4 May 2012 12:17:06 +0000 (14:17 +0200)
committerFelipe Balbi <balbi@ti.com>
Fri, 4 May 2012 12:53:13 +0000 (15:53 +0300)
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: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
drivers/usb/gadget/s3c-hsotg.c

index 8d8652876c6730a684fc0f5723ec1c9a5eca9d1e..d0e4fb3bc465b7c6b91730f589819139d71ec22c 100644 (file)
@@ -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 @@ irq_retry:
                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);