]> git.baikalelectronics.ru Git - kernel.git/commit
ACPI / LPSS: Deassert resets for SPI host controllers on Braswell
authorMika Westerberg <mika.westerberg@linux.intel.com>
Wed, 18 Feb 2015 11:50:17 +0000 (13:50 +0200)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Wed, 18 Feb 2015 17:47:44 +0000 (18:47 +0100)
commitb129a036611d4507c0d92df053933fff3bb3170f
tree5a55e78482f6e4d44492a0a7f1932ac0636a2bc7
parent8ebbb8cfd8768880e6fc3f57eedd4e060323b481
ACPI / LPSS: Deassert resets for SPI host controllers on Braswell

On some Braswell systems BIOS leaves resets for SPI host controllers
active. This prevents the SPI driver from transferring messages on wire.

Fix this in similar way that we do for I2C already by deasserting resets
for the SPI host controllers.

Reported-by: Yang A Fang <yang.a.fang@intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: 3.17+ <stable@vger.kernel.org> # 3.17+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/acpi/acpi_lpss.c