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arm64/esr: Use GENMASK() for the ISS mask

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We express the mask for ESR_ELx.ISS in a non-standard manner, not using
the standard helpers. In preparation for adding decode for ISS2 convert to
use GENMASK(). No functional change.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230417-arm64-iss2-dabt-decode-v3-1-c1fa503e503a@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Mark Brown 2023-05-11 15:05:14 +09:00 committed by Catalin Marinas
parent 44c026a73b
commit de84727544
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/include/asm/esr.h
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@ -75,7 +75,7 @@
#define ESR_ELx_IL_SHIFT (25)
#define ESR_ELx_IL (UL(1) << ESR_ELx_IL_SHIFT)
#define ESR_ELx_ISS_MASK (ESR_ELx_IL - 1)
#define ESR_ELx_ISS_MASK (GENMASK(24, 0))
#define ESR_ELx_ISS(esr) ((esr) & ESR_ELx_ISS_MASK)
/* ISS field definitions shared by different classes */