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[PULL,14/17] pxa27x: Reduce size of keyboard matrix mapping

Message ID 1388182050-10270-15-git-send-email-mjt@msgid.tls.msk.ru
State New
Headers show

Commit Message

Michael Tokarev Dec. 27, 2013, 10:07 p.m. UTC 
From: Stefan Weil <sw@weilnetz.de>

The row and column values use only a very limited range (-1 ... 7),
so a byte value is sufficient.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---
 include/hw/arm/pxa.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/include/hw/arm/pxa.h b/include/hw/arm/pxa.h
index a4e1a66..6db1ff3 100644
--- a/include/hw/arm/pxa.h
+++ b/include/hw/arm/pxa.h
@@ -102,8 +102,8 @@  void pxa2xx_pcmcia_set_irq_cb(void *opaque, qemu_irq irq, qemu_irq cd_irq);
 
 /* pxa2xx_keypad.c */
 struct  keymap {
-    int column;
-    int row;
+    int8_t column;
+    int8_t row;
 };
 typedef struct PXA2xxKeyPadState PXA2xxKeyPadState;
 PXA2xxKeyPadState *pxa27x_keypad_init(MemoryRegion *sysmem,