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[02/28] Blackfin SPI: work around anomaly 05000119

Message ID 1287356381-31495-3-git-send-email-vapier@gentoo.org (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Mike Frysinger Oct. 17, 2010, 10:59 p.m. UTC
None
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Patch

diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c
index 4f20b92..61c2ebf 100644
--- a/drivers/spi/spi_bfin5xx.c
+++ b/drivers/spi/spi_bfin5xx.c
@@ -540,10 +540,6 @@  static irqreturn_t bfin_spi_dma_irq_handler(int irq, void *dev_id)
 
 	clear_dma_irqstat(drv_data->dma_channel);
 
-	/* Wait for DMA to complete */
-	while (get_dma_curr_irqstat(drv_data->dma_channel) & DMA_RUN)
-		cpu_relax();
-
 	/*
 	 * wait for the last transaction shifted out.  HRM states:
 	 * at this point there may still be data in the SPI DMA FIFO waiting