USB: musb: Fix CPPI IRQs not being signaled

[pandora-kernel.git] / drivers / usb / musb / cppi_dma.c

diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c
index c3577bb..ef2332a 100644 (file)
--- a/drivers/usb/musb/cppi_dma.c
+++ b/drivers/usb/musb/cppi_dma.c
@@ -1442,11 +1442,6 @@ static int cppi_channel_abort(struct dma_channel *channel)
                musb_writew(regs, MUSB_TXCSR, value);
                musb_writew(regs, MUSB_TXCSR, value);
 
-               /* re-enable interrupt */
-               if (enabled)
-                       musb_writel(tibase, DAVINCI_TXCPPI_INTENAB_REG,
-                                       (1 << cppi_ch->index));
-
                /* While we scrub the TX state RAM, ensure that we clean
                 * up any interrupt that's currently asserted:
                 * 1. Write to completion Ptr value 0x1(bit 0 set)
@@ -1459,6 +1454,11 @@ static int cppi_channel_abort(struct dma_channel *channel)
                cppi_reset_tx(tx_ram, 1);
                musb_writel(&tx_ram->tx_complete, 0, 0);
 
+               /* re-enable interrupt */
+               if (enabled)
+                       musb_writel(tibase, DAVINCI_TXCPPI_INTENAB_REG,
+                                       (1 << cppi_ch->index));
+
                cppi_dump_tx(5, cppi_ch, " (done teardown)");
 
                /* REVISIT tx side _should_ clean up the same way