staging: fbtft: make several arrays static const, makes object smaller
authorColin Ian King <colin.king@canonical.com>
Fri, 6 Sep 2019 15:30:52 +0000 (16:30 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 12 Sep 2019 09:35:52 +0000 (10:35 +0100)
commit5817eca06747cbb1d46908ac54dfa807f7954945
tree271915a99705f7a3bd7accaf6f8aad968d36730e
parent0ba4d388d70ed5f6756887ee9184d800110ef23b
staging: fbtft: make several arrays static const, makes object smaller

Don't populate the arrays on the stack but instead make them
static const. Makes the object code smaller by 1329 bytes.

Before:
   text    data     bss     dec     hex filename
   5581    1488      64    7133    1bdd drivers/staging/fbtft/fb_hx8340bn.o
   5444    1264       0    6708    1a34 drivers/staging/fbtft/fb_hx8347d.o
   3581    1360       0    4941    134d drivers/staging/fbtft/fb_ili9163.o
   7154    1552       0    8706    2202 drivers/staging/fbtft/fb_ili9320.o
   7478    2544       0   10022    2726 drivers/staging/fbtft/fb_ili9325.o
   6327    1424       0    7751    1e47 drivers/staging/fbtft/fb_s6d1121.o
   6498    1776       0    8274    2052 drivers/staging/fbtft/fb_ssd1289.o

After:
   text    data     bss     dec     hex filename
   5376    1584      64    7024    1b70 drivers/staging/fbtft/fb_hx8340bn.o
   5276    1328       0    6604    19cc drivers/staging/fbtft/fb_hx8347d.o
   3581    1360       0    4941    134d drivers/staging/fbtft/fb_ili9163.o
   6905    1616       0    8521    2149 drivers/staging/fbtft/fb_ili9320.o
   7229    2608       0    9837    266d drivers/staging/fbtft/fb_ili9325.o
   6030    1488       0    7518    1d5e drivers/staging/fbtft/fb_s6d1121.o
   6249    1872       0    8121    1fb9 drivers/staging/fbtft/fb_ssd1289.o

(gcc version 9.2.1, amd64)

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20190906153052.31846-1-colin.king@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/fbtft/fb_hx8340bn.c
drivers/staging/fbtft/fb_hx8347d.c
drivers/staging/fbtft/fb_ili9163.c
drivers/staging/fbtft/fb_ili9320.c
drivers/staging/fbtft/fb_ili9325.c
drivers/staging/fbtft/fb_s6d1121.c
drivers/staging/fbtft/fb_ssd1289.c