]> git.baikalelectronics.ru Git - kernel.git/commit
p54spi: fix incorrect access sequence to DMA_WRITE_CTRL in p54spi_spi_write_dma
authorMax Filippov <jcmvbkbc@gmail.com>
Sun, 17 May 2009 23:02:31 +0000 (03:02 +0400)
committerJohn W. Linville <linville@tuxdriver.com>
Wed, 20 May 2009 18:46:27 +0000 (14:46 -0400)
commit02a1c31c580c558c007277f456a68b8b815afaad
tree44319367ae3caf7059374242c3b79bc63a05d10e
parent30660279e1b37be010b7fa49d95f12531b626f9e
p54spi: fix incorrect access sequence to DMA_WRITE_CTRL in p54spi_spi_write_dma

Host is not allowed to modify DMA_WRITE_CTRL register
if bit HOST_ALLOWED in it is not set. Wait for HOST_ALLOWED first.

Also get rid of timeout in p54spi_wait_bit as it's been playing
a role of workaround for such an incorrect register access.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/p54/p54spi.c