https://github.com/torvalds/linux
Since commit cd6438c5f844 ("iommu/rockchip: Reconstruct to support multi slaves") rk_iommu_is_stall_active() always returns false because the bitwise AND operates on the boolean flag promoted to an integer and a value that is either zero or BIT(2). Explicitly convert the right-hand value to a boolean so that both sides are guaranteed to be either zero or one. rk_iommu_is_paging_enabled() does not suffer from the same problem since RK_MMU_STATUS_PAGING_ENABLED is BIT(0), but let's apply the same change for consistency and to make it clear that it's correct without needing to lookup the value. Fixes: cd6438c5f844 ("iommu/rockchip: Reconstruct to support multi slaves") Signed-off-by: John Keeping <john@metanate.com> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Tested-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
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iommu/rockchip: Fix "is stall active" check
File | Mode | Size |
---|---|---|
Documentation | ||
arch | ||
block | ||
certs | ||
crypto | ||
drivers | ||
firmware | ||
fs | ||
include | ||
init | ||
ipc | ||
kernel | ||
lib | ||
mm | ||
net | ||
samples | ||
scripts | ||
security | ||
sound | ||
tools | ||
usr | ||
virt | ||
.get_maintainer.ignore | -rw-r--r-- | 31 bytes |
.gitignore | -rw-r--r-- | 1.2 KB |
.mailmap | -rw-r--r-- | 5.5 KB |
COPYING | -rw-r--r-- | 18.3 KB |
CREDITS | -rw-r--r-- | 95.4 KB |
Kbuild | -rw-r--r-- | 2.6 KB |
Kconfig | -rw-r--r-- | 252 bytes |
MAINTAINERS | -rw-r--r-- | 343.6 KB |
Makefile | -rw-r--r-- | 55.0 KB |
README | -rw-r--r-- | 18.1 KB |
REPORTING-BUGS | -rw-r--r-- | 7.3 KB |
Computing file changes ...