soc/amd/picasso/aoac: make AOAC device number unsigned

The AOAC device number is never negative, so make it unsigned.

BRANCH=zork

Change-Id: I3e0d15a646f02da5767504471961d5d9f8f28bea
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45308
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/src/soc/amd/picasso/include/soc/southbridge.h b/src/soc/amd/picasso/include/soc/southbridge.h
index 168b2b2e22..547f602db7 100644
--- a/src/soc/amd/picasso/include/soc/southbridge.h
+++ b/src/soc/amd/picasso/include/soc/southbridge.h
@@ -269,10 +269,10 @@ typedef struct aoac_devs {
 } __packed aoac_devs_t;
 
 void enable_aoac_devices(void);
-bool is_aoac_device_enabled(int dev);
-void power_on_aoac_device(int dev);
-void power_off_aoac_device(int dev);
-void wait_for_aoac_enabled(int dev);
+bool is_aoac_device_enabled(unsigned int dev);
+void power_on_aoac_device(unsigned int dev);
+void power_off_aoac_device(unsigned int dev);
+void wait_for_aoac_enabled(unsigned int dev);
 void sb_clk_output_48Mhz(void);
 void sb_enable(struct device *dev);
 void southbridge_final(void *chip_info);