From: luowei <lw@rock-chips.com>
Date: Tue, 22 Jan 2013 09:25:05 +0000 (+0800)
Subject: SPIM:fix SPI_MODE_2 bug
X-Git-Tag: firefly_0821_release~7861
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=e11798334ab7fbe330b68c7512cb1e0f5cce46b3;p=firefly-linux-kernel-4.4.55.git

SPIM:fix SPI_MODE_2 bug
---

diff --git a/drivers/spi/rk29_spim.c b/drivers/spi/rk29_spim.c
index 8fca6a804297..1810c54f2bc9 100755
--- a/drivers/spi/rk29_spim.c
+++ b/drivers/spi/rk29_spim.c
@@ -896,7 +896,8 @@ static void pump_transfers(unsigned long data)
 			chip->tmode = SPI_TMOD_TO;
 
 		cr0 &= ~(0x3 << SPI_MODE_OFFSET);		
-		cr0 &= ~(0x3 << SPI_TMOD_OFFSET);
+		cr0 &= ~(0x3 << SPI_TMOD_OFFSET);	
+		cr0 |= (spi->mode << SPI_MODE_OFFSET);
 		cr0 |= (chip->tmode << SPI_TMOD_OFFSET);
 	} 
 
@@ -1105,7 +1106,8 @@ static void dma_transfer(struct rk29xx_spi *dws)
 			chip->tmode = SPI_TMOD_TO;
 
 		cr0 &= ~(0x3 << SPI_MODE_OFFSET);
-		cr0 &= ~(0x3 << SPI_TMOD_OFFSET);
+		cr0 &= ~(0x3 << SPI_TMOD_OFFSET);		
+		cr0 |= (chip->mode << SPI_MODE_OFFSET);
 		cr0 |= (chip->tmode << SPI_TMOD_OFFSET);
 	}
 
@@ -1527,6 +1529,8 @@ static int rk29xx_pump_transfers(struct rk29xx_spi *dws, int mode)
 			chip->tmode = SPI_TMOD_TO;
 
 		cr0 &= ~(0x3 << SPI_MODE_OFFSET);
+		cr0 &= ~(0x3 << SPI_TMOD_OFFSET);
+		cr0 |= (spi->mode << SPI_MODE_OFFSET);
 		cr0 |= (chip->tmode << SPI_TMOD_OFFSET);
 	}