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spi/pl022: disable port when unused

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Commit ffbbdd2132
"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: [email protected]
Cc: Vinit Shenoy <[email protected]>
Signed-off-by: Virupax Sadashivpetimath <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
This commit is contained in:
Virupax Sadashivpetimath 2012-06-12 15:10:58 +02:00 • committed by Linus Walleij
commit fd316941cf
1 changed files with 5 additions and 0 deletions
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5
drivers/spi/spi-pl022.c
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@ -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));
}
/**