Sinan Kaya 92d7223a74 alpha: io: reorder barriers to guarantee writeX() and iowriteX() ordering #2 ... memory-barriers.txt has been updated with the following requirement. "When using writel(), a prior wmb() is not needed to guarantee that the cache coherent memory writes have completed before writing to the MMIO region." Current writeX() and iowriteX() implementations on alpha are not satisfying this requirement as the barrier is after the register write. Move mb() in writeX() and iowriteX() functions to guarantee that HW observes memory changes before performing register operations. Signed-off-by: Sinan Kaya <okaya@codeaurora.org> Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Matt Turner <mattst88@gmail.com>		2018-05-22 18:10:36 -07:00
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boot	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
include	alpha: simplify get_arch_dma_ops	2018-05-22 18:10:36 -07:00
kernel	alpha: io: reorder barriers to guarantee writeX() and iowriteX() ordering #2	2018-05-22 18:10:36 -07:00
lib	alpha: extend memset16 to EV6 optimised routines	2018-01-16 19:34:46 -08:00
math-emu	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
mm	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
oprofile	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
Kconfig	alpha: use dma_direct_ops for jensen	2018-05-22 18:10:36 -07:00
Kconfig.debug	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
Makefile	alpha: makefile: don't enforce small data model for kernel builds	2013-04-07 12:59:30 -07:00
defconfig	alpha: defconfig: Cleanup from old Kconfig options	2017-09-04 12:04:33 -07:00