[igt-dev] [PATCH i-g-t 1/4] tools/intel_reg: Simplify negative ports

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

Let's avoid having to type in the explicit negative value for
all the port enums.

v2: Copy-paste the comment from intel_reg.c (Jani)

Reviewed-by: Jani Nikula <jani.nikula at intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 tools/intel_reg_spec.h | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/tools/intel_reg_spec.h b/tools/intel_reg_spec.h
index c94c61bab3f8..1a2c5ebd9a58 100644
--- a/tools/intel_reg_spec.h
+++ b/tools/intel_reg_spec.h
@@ -25,10 +25,12 @@
 #define __INTEL_REG_SPEC_H__
 
 enum port_addr {
+	/* Negative port numbers are not real sideband ports. */
+	PORT_MMIO = -127,
+	PORT_PORTIO_VGA,	/* see vga reg read/write */
+	PORT_MMIO_VGA,		/* see vga reg read/write */
+
 	PORT_NONE = 0,
-	PORT_MMIO = -1,
-	PORT_PORTIO_VGA = -2,	/* see vga reg read/write */
-	PORT_MMIO_VGA = -3,	/* see vga reg read/write */
 
 	/* vlv */
 	PORT_BUNIT = 0x03,
-- 
2.39.1