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[PATCHv2,4/9] i2c: xiic: Remove the disabling of interrupts

Message ID 1434554299-23443-5-git-send-email-shubhraj@xilinx.com
State Accepted
Headers show

Commit Message

Shubhrajyoti Datta June 17, 2015, 3:18 p.m. UTC 
Currently before every transfer the interrupts are disabled.
So incase the slave nacks in the middle of the transfer the
current transfer is not aborted. Upon enabling the interrupts
conditions like NACK , arbitration lost will not be masked.
Remove the disabling of the interrupts.

Signed-off-by: Shubhrajyoti Datta <shubhraj@xilinx.com>
---
 drivers/i2c/busses/i2c-xiic.c |    7 -------
 1 files changed, 0 insertions(+), 7 deletions(-)
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Patch

diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
index 92ea52a..d9501ab 100644
--- a/drivers/i2c/busses/i2c-xiic.c
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -664,15 +664,8 @@  static void __xiic_start_xfer(struct xiic_i2c *i2c)
 
 static void xiic_start_xfer(struct xiic_i2c *i2c)
 {
-	unsigned long flags;
-
-	spin_lock_irqsave(&i2c->lock, flags);
-	/* disable interrupts globally */
-	xiic_setreg32(i2c, XIIC_DGIER_OFFSET, 0);
-	spin_unlock_irqrestore(&i2c->lock, flags);
 
 	__xiic_start_xfer(i2c);
-	xiic_setreg32(i2c, XIIC_DGIER_OFFSET, XIIC_GINTR_ENABLE_MASK);
 }
 
 static int xiic_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)