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>

2 files changed, 9 insertions, 9 deletions

diff --git a/src/soc/amd/picasso/aoac.c b/src/soc/amd/picasso/aoac.c
index f31afbf808..1f7dcb02e4 100644
--- a/src/soc/amd/picasso/aoac.c
+++ b/src/soc/amd/picasso/aoac.c
@@ -29,7 +29,7 @@ const static int aoac_devs[] = {
 	FCH_AOAC_DEV_ESPI,
 };
 
-void power_on_aoac_device(int dev)
+void power_on_aoac_device(unsigned int dev)
 {
 	uint8_t byte;
 
@@ -41,7 +41,7 @@ void power_on_aoac_device(int dev)
 	aoac_write8(AOAC_DEV_D3_CTL(dev), byte);
 }
 
-void power_off_aoac_device(int dev)
+void power_off_aoac_device(unsigned int dev)
 {
 	uint8_t byte;
 
@@ -51,7 +51,7 @@ void power_off_aoac_device(int dev)
 	aoac_write8(AOAC_DEV_D3_CTL(dev), byte);
 }
 
-bool is_aoac_device_enabled(int dev)
+bool is_aoac_device_enabled(unsigned int dev)
 {
 	uint8_t byte;
 
@@ -63,7 +63,7 @@ bool is_aoac_device_enabled(int dev)
 		return false;
 }
 
-void wait_for_aoac_enabled(int dev)
+void wait_for_aoac_enabled(unsigned int dev)
 {
 	while (!is_aoac_device_enabled(dev))
 		udelay(100);
@@ -71,7 +71,7 @@ void wait_for_aoac_enabled(int dev)
 
 void enable_aoac_devices(void)
 {
-	int i;
+	unsigned int i;
 
 	for (i = 0; i < ARRAY_SIZE(aoac_devs); i++)
 		power_on_aoac_device(aoac_devs[i]);
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);