From: Hans de Goede Date: Mon, 21 Nov 2016 14:59:22 +0000 (-0600) Subject: musb: sunxi: Remove custom babble handling X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d24b63abf4bc866ead04660b5265af77ac910abb;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git musb: sunxi: Remove custom babble handling The musb core already handles babble interrupts, so the sunxi glue having its own custom handling is redundant. Signed-off-by: Hans de Goede Signed-off-by: Bin Liu Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/musb/sunxi.c b/drivers/usb/musb/sunxi.c index 1408245be18e..82eba92284c0 100644 --- a/drivers/usb/musb/sunxi.c +++ b/drivers/usb/musb/sunxi.c @@ -186,16 +186,6 @@ static irqreturn_t sunxi_musb_interrupt(int irq, void *__hci) if (musb->int_usb) writeb(musb->int_usb, musb->mregs + SUNXI_MUSB_INTRUSB); - /* - * sunxi musb often signals babble on low / full speed device - * disconnect, without ever raising MUSB_INTR_DISCONNECT, since - * normally babble never happens treat it as disconnect. - */ - if ((musb->int_usb & MUSB_INTR_BABBLE) && is_host_active(musb)) { - musb->int_usb &= ~MUSB_INTR_BABBLE; - musb->int_usb |= MUSB_INTR_DISCONNECT; - } - if ((musb->int_usb & MUSB_INTR_RESET) && !is_host_active(musb)) { /* ep0 FADDR must be 0 when (re)entering peripheral mode */ musb_ep_select(musb->mregs, 0);