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Koen Kooi
536748db58
The complete patchset will get rebased to the tip of the PSP tree soon, but the conflicts take a lot of time to resolve. Signed-off-by: Koen Kooi <koen@dominion.thruhere.net> Signed-off-by: Denys Dmytriyenko <denys@ti.com>
31 lines
1.0 KiB
Diff
31 lines
1.0 KiB
Diff
From c336629a155593e443ba21a0734b3c519a61e560 Mon Sep 17 00:00:00 2001
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From: Ajay Kumar Gupta <ajay.gupta@ti.com>
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Date: Thu, 24 May 2012 16:31:27 +0530
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Subject: [PATCH 17/18] usb: musb: host: Flush RxFIFO only when RxPktRdy is
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set
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This need to be done as per mentor core documentations.
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Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
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---
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drivers/usb/musb/musb_host.c | 3 ++-
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1 files changed, 2 insertions(+), 1 deletions(-)
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diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
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index 13520ee..f56fde2 100644
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--- a/drivers/usb/musb/musb_host.c
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+++ b/drivers/usb/musb/musb_host.c
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@@ -507,7 +507,8 @@ static u16 musb_h_flush_rxfifo(struct musb_hw_ep *hw_ep, u16 csr)
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* ignore dma (various models),
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* leave toggle alone (may not have been saved yet)
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*/
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- csr |= MUSB_RXCSR_FLUSHFIFO | MUSB_RXCSR_RXPKTRDY;
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+ if (csr & MUSB_RXCSR_RXPKTRDY)
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+ csr |= MUSB_RXCSR_FLUSHFIFO | MUSB_RXCSR_RXPKTRDY;
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csr &= ~(MUSB_RXCSR_H_REQPKT
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| MUSB_RXCSR_H_AUTOREQ
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| MUSB_RXCSR_AUTOCLEAR);
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--
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1.7.7.6
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