From: Tony Lindgren <tony@atomide.com>
To: linux-omap-open-source@linux.omap.com
Subject: [PATCH] musb_hdrc: Enable host DMA for tusb6010
Date: Thu, 3 May 2007 16:41:53 +0000 [thread overview]
Message-ID: <11782105223370-git-send-email-tony@atomide.com> (raw)
In-Reply-To: <11782105222073-git-send-email-tony@atomide.com>
This patch allows host to try to use DMA on tusb6010.
Please note that until tusb6010 DMA size limitations
are fixed, DMA happens with host side rarely.
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
drivers/usb/musb/musb_host.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index ef473e9..440df48 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -236,7 +236,7 @@ start:
if (!pEnd->tx_channel)
musb_h_tx_start(pEnd);
- else if (is_cppi_enabled())
+ else if (is_cppi_enabled() || tusb_dma_omap())
cppi_host_txdma_start(pEnd);
}
}
@@ -806,7 +806,7 @@ static void musb_ep_program(struct musb *pThis, u8 bEnd,
#endif
/* candidate for DMA */
- if (is_cppi_enabled() && pDmaChannel) {
+ if ((is_cppi_enabled() || tusb_dma_omap()) && pDmaChannel) {
/* program endpoint CSRs first, then setup DMA.
* assume CPPI setup succeeds.
@@ -897,7 +897,7 @@ static void musb_ep_program(struct musb *pThis, u8 bEnd,
/* kick things off */
- if (is_cppi_enabled()) {
+ if ((is_cppi_enabled() || tusb_dma_omap()) && pDmaChannel) {
/* candidate for DMA */
if (pDmaChannel) {
pDmaChannel->dwActualLength = 0L;
--
1.4.4.2
next prev parent reply other threads:[~2007-05-03 16:41 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-03 16:41 [PATCH 0/7] musb/tusb6010 fixes for host mode Tony Lindgren
2007-05-03 16:41 ` [PATCH] MUSB_HDRC: Allow selecting OTG, peripheral or host mode via sysfs Tony Lindgren
2007-05-03 16:41 ` Tony Lindgren [this message]
2007-05-03 16:41 ` [PATCH] musb_hdrc: Allow tusb dma to transfer various data sizes Tony Lindgren
2007-05-03 16:41 ` [PATCH] musb_hdrc: Transfer remaining bytes with PIO Tony Lindgren
2007-05-03 16:41 ` [PATCH] musb_hdrc: DMA RX workaround for tusb6010 Tony Lindgren
2007-05-03 16:41 ` [PATCH] musb_hdrc: Stop host session on BABBLE Tony Lindgren
2007-05-03 16:41 ` [PATCH] musb_hdrc: Avoid host babble by checking tx fifo Tony Lindgren
2007-05-03 18:43 ` [PATCH] musb_hdrc: Clean-up TUSB fifo access Tony Lindgren
2007-05-04 17:05 ` [PATCH] musb_hdrc: Enable host DMA for tusb6010 Tony Lindgren
2007-05-04 16:22 ` [PATCH 0/7] musb/tusb6010 fixes for host mode Kevin Hilman
2007-05-04 16:48 ` Tony Lindgren
2007-05-04 17:01 ` Tony Lindgren
2007-05-04 17:17 ` Kevin Hilman
2007-05-04 17:22 ` Tony Lindgren
2007-05-04 17:26 ` Tony Lindgren
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