[PATCH 02/10] x86/early-quirks: replace the magical increment start values

From: Matthew Auld
Date: Wed Dec 06 2017 - 13:17:55 EST


Replace the magical +2, +9 etc. with +MB, which is far easier to read.

Suggested-by: Ville SyrjÃlà <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Cc: Ville SyrjÃlà <ville.syrjala@xxxxxxxxxxxxxxx>
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: x86@xxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Reviewed-by: Ville SyrjÃlà <ville.syrjala@xxxxxxxxxxxxxxx>
---
arch/x86/kernel/early-quirks.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index d7236e2f5eed..b5b912f3dce8 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -428,9 +428,9 @@ static resource_size_t __init chv_stolen_size(int num, int slot, int func)
if (gms < 0x11)
return gms * MB(32);
else if (gms < 0x17)
- return (gms - 0x11 + 2) * MB(4);
+ return (gms - 0x11) * MB(4) + MB(8);
else
- return (gms - 0x17 + 9) * MB(4);
+ return (gms - 0x17) * MB(4) + MB(36);
}

static resource_size_t __init gen9_stolen_size(int num, int slot, int func)
@@ -446,7 +446,7 @@ static resource_size_t __init gen9_stolen_size(int num, int slot, int func)
if (gms < 0xf0)
return gms * MB(32);
else
- return (gms - 0xf0 + 1) * MB(4);
+ return (gms - 0xf0) * MB(4) + MB(4);
}

struct intel_early_ops {
--
2.14.3