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authorIan Campbell <ijc@hellion.org.uk>2014-03-27 20:34:13 +0000
committerTom Rini <trini@ti.com>2014-04-18 10:42:29 -0400
commitfd11bea2ccb97909f421e20e6a5ba770dbf39d0b (patch)
tree5c5953653778bf5467f56103ca28fa693028b853 /arch/blackfin/cpu
parent3fa1981e243cbe8f4a31139740600eddde5a4da4 (diff)
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blackfin: make name_to_gpio be a weak symbol
This required moving it into a C file from the header. The only user of a non-default name_to_gpio is blackfin, therefore build tested with the blackfin bct-brettl2 build, which is one I picked at random. Also tested with a build for the ARM tec board which uses the default/fallback implementation. Inspection with objdump shows that both have done the right thing. This change was requested by Marek during review of the sunxi patch series. Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Cc: Marek Vasut <marex@denx.de> Cc: Wolfgang Denk <wd@denx.de> Cc: Sonic Zhang <sonic.adi@gmail.com>
Diffstat (limited to 'arch/blackfin/cpu')
-rw-r--r--arch/blackfin/cpu/gpio.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/blackfin/cpu/gpio.c b/arch/blackfin/cpu/gpio.c
index 86da706..4b4cf93 100644
--- a/arch/blackfin/cpu/gpio.c
+++ b/arch/blackfin/cpu/gpio.c
@@ -759,6 +759,54 @@ void bfin_reset_boot_spi_cs(unsigned short pin)
udelay(1);
}
+int name_to_gpio(const char *name)
+{
+ int port_base;
+
+ if (tolower(*name) == 'p') {
+ ++name;
+
+ switch (tolower(*name)) {
+#ifdef GPIO_PA0
+ case 'a': port_base = GPIO_PA0; break;
+#endif
+#ifdef GPIO_PB0
+ case 'b': port_base = GPIO_PB0; break;
+#endif
+#ifdef GPIO_PC0
+ case 'c': port_base = GPIO_PC0; break;
+#endif
+#ifdef GPIO_PD0
+ case 'd': port_base = GPIO_PD0; break;
+#endif
+#ifdef GPIO_PE0
+ case 'e': port_base = GPIO_PE0; break;
+#endif
+#ifdef GPIO_PF0
+ case 'f': port_base = GPIO_PF0; break;
+#endif
+#ifdef GPIO_PG0
+ case 'g': port_base = GPIO_PG0; break;
+#endif
+#ifdef GPIO_PH0
+ case 'h': port_base = GPIO_PH0; break;
+#endif
+#ifdef GPIO_PI0
+ case 'i': port_base = GPIO_PI0; break;
+#endif
+#ifdef GPIO_PJ
+ case 'j': port_base = GPIO_PJ0; break;
+#endif
+ default: return -1;
+ }
+
+ ++name;
+ } else
+ port_base = 0;
+
+ return port_base + simple_strtoul(name, NULL, 10);
+}
+
void gpio_labels(void)
{
int c, gpio;