Commit fd316941 authored Jun 12, 2012 by Virupax Sadashivpetimath Committed by Linus Walleij Jul 02, 2012

spi/pl022: disable port when unused

Commit ffbbdd21
"spi: create a message queueing infrastructure"
Accidentally deleted the logic to disable the port
when unused leading to higher power consumption.
Fix this up.

Cc: stable@kernel.org
Cc: Vinit Shenoy <vinit.shenoy@st.com>
Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

parent 6887a413

drivers/spi/spi-pl022.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -489,6 +489,11 @@ static void giveback(struct pl022 *pl022)
		pl022->cur_transfer = NULL;
		pl022->cur_chip = NULL;
		spi_finalize_current_message(pl022->master);

		/* disable the SPI/SSP operation */
		writew((readw(SSP_CR1(pl022->virtbase)) &
		(~SSP_CR1_MASK_SSE)), SSP_CR1(pl022->virtbase));

		}

		/**