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Denys Dmytriyenko
53dcf7977a
Ported from Arago the kernel that corresponds to PSP version 04.02.00.07 with corresponding SDK patches applied on top. Signed-off-by: Denys Dmytriyenko <denys@ti.com>
39 lines
1.2 KiB
Diff
39 lines
1.2 KiB
Diff
From f0cf4495fc1d4dfb71a93eb6e315789c276221da Mon Sep 17 00:00:00 2001
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From: Bin Liu <b-liu@ti.com>
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Date: Wed, 30 May 2012 15:35:07 -0500
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Subject: [PATCH 1/2] usb: musb: am35x: set default VBUS timeout value
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The issue was:
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musb->a_wait_bcon was not set so the OTG timer does not start when
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a USB device gets disconnected to reset the OTG back to b_idle state.
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Signed-off-by: Bin Liu <b-liu@ti.com>
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---
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drivers/usb/musb/am35x.c | 3 +++
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1 files changed, 3 insertions(+), 0 deletions(-)
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diff --git a/drivers/usb/musb/am35x.c b/drivers/usb/musb/am35x.c
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index 57d4417..a59a5e7 100644
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--- a/drivers/usb/musb/am35x.c
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+++ b/drivers/usb/musb/am35x.c
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@@ -79,6 +79,8 @@
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#define AM35X_TX_INTR_MASK (AM35X_TX_EP_MASK << AM35X_INTR_TX_SHIFT)
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#define AM35X_RX_INTR_MASK (AM35X_RX_EP_MASK << AM35X_INTR_RX_SHIFT)
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+#define A_WAIT_BCON_TIMEOUT 1100 /* in ms */
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+
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/* CPPI 4.1 queue manager registers */
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#define QMGR_PEND0_REG 0x4090
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#define QMGR_PEND1_REG 0x4094
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@@ -599,6 +601,7 @@ static int am35x_musb_init(struct musb *musb)
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cppi41_init(musb);
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#endif
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+ musb->a_wait_bcon = A_WAIT_BCON_TIMEOUT;
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musb->isr = am35x_musb_interrupt;
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/* clear level interrupt */
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--
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1.7.0.4
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