Commit d701667b authored Jun 17, 2015 by Shubhrajyoti Datta Committed by Wolfram Sang Aug 10, 2015

i2c: xiic: Do not reset controller before every transfer



Currently before every transfer the controller is reinitialised.
We are already resetting the controller upon errors so upon every
transfer is a performance kill.
Remove the same.

Signed-off-by: Shubhrajyoti Datta <shubhraj@xilinx.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

parent fcc2fac6

drivers/i2c/busses/i2c-xiic.c

+0 −1

Original line number	Diff line number	Diff line
		@@ -667,7 +667,6 @@ static void xiic_start_xfer(struct xiic_i2c *i2c)
		unsigned long flags;

		spin_lock_irqsave(&i2c->lock, flags);
		xiic_reinit(i2c);
		/* disable interrupts globally */
		xiic_setreg32(i2c, XIIC_DGIER_OFFSET, 0);
		spin_unlock_irqrestore(&i2c->lock, flags);