From: Michael Hennerich <[email protected]>
Signed-off-by: Michael Hennerich <[email protected]>
Signed-off-by: Bryan Wu <[email protected]>
---
arch/blackfin/kernel/bfin_gpio.c | 10 ++++++++--
arch/blackfin/mach-bf548/gpio.c | 11 +++++++++--
2 files changed, 17 insertions(+), 4 deletions(-)
diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index 5d488ef..f712772 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -711,9 +711,15 @@ int peripheral_request_list(unsigned short per[], const char *label)
int ret;
for (cnt = 0; per[cnt] != 0; cnt++) {
+
ret = peripheral_request(per[cnt], label);
- if (ret < 0)
- return ret;
+
+ if (ret < 0) {
+ for ( ; cnt > 0; cnt--) {
+ peripheral_free(per[cnt - 1]);
+ }
+ return ret;
+ }
}
return 0;
diff --git a/arch/blackfin/mach-bf548/gpio.c b/arch/blackfin/mach-bf548/gpio.c
index c073ab3..f3b9dea 100644
--- a/arch/blackfin/mach-bf548/gpio.c
+++ b/arch/blackfin/mach-bf548/gpio.c
@@ -212,11 +212,18 @@ int peripheral_request_list(unsigned short per[], const char *label)
int ret;
for (cnt = 0; per[cnt] != 0; cnt++) {
+
ret = peripheral_request(per[cnt], label);
- if (ret < 0)
- return ret;
+
+ if (ret < 0) {
+ for ( ; cnt > 0; cnt--) {
+ peripheral_free(per[cnt - 1]);
+ }
+ return ret;
+ }
}
+
return 0;
}
EXPORT_SYMBOL(peripheral_request_list);
--
1.5.2
-
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