[Silabs] Wifi bug fixes which were causing hardfault (#26092)

* Wifi small bug fixes

* Restyled by clang-format

---------

Co-authored-by: Restyled.io <commits@restyled.io>

Author: 2 people

examples/platform/silabs/SiWx917/SiWx917/rsi_if.c

@@ -357,7 +357,7 @@ static void wfx_rsi_save_ap_info()
 #else  /* !WIFI_ENABLE_SECURITY_WPA3 */
         wfx_rsi.sec.security = WFX_SEC_WPA2;
 #endif /* WIFI_ENABLE_SECURITY_WPA3 */
-        SILABS_LOG("%s: warn: failed with status: %02x", status);
+        SILABS_LOG("%s: warn: failed with status: %02x", __func__, status);
         return;
     }
     else
@@ -429,7 +429,7 @@ static void wfx_rsi_do_join(void)
             connect_security_mode = RSI_OPEN;
             break;
         default:
-            SILABS_LOG("%s: error: unknown security type.");
+            SILABS_LOG("%s: error: unknown security type.", __func__);
             return;
         }
 

examples/platform/silabs/efr32/rs911x/rsi_if.c

@@ -408,7 +408,7 @@ static void wfx_rsi_save_ap_info() // translation
 #else  /* !WIFI_ENABLE_SECURITY_WPA3 */
         wfx_rsi.sec.security = WFX_SEC_WPA2;
 #endif /* WIFI_ENABLE_SECURITY_WPA3 */
-        SILABS_LOG("%s: warn: failed with status: %02x", status);
+        SILABS_LOG("%s: warn: failed with status: %02x", __func__, status);
         return;
     }
     else
@@ -482,7 +482,7 @@ static void wfx_rsi_do_join(void)
             connect_security_mode = RSI_OPEN;
             break;
         default:
-            SILABS_LOG("%s: error: unknown security type.");
+            SILABS_LOG("%s: error: unknown security type.", __func__);
             return;
         }
 

examples/platform/silabs/efr32/wf200/efr_spi.c

@@ -381,10 +381,6 @@ sl_status_t sl_wfx_host_enable_spi(void)
 {
     if (spi_enabled == false)
     {
-#ifdef SLEEP_ENABLED
-        // Prevent the host to use lower EM than EM1
-        sl_power_manager_add_em_requirement(SL_POWER_MANAGER_EM1);
-#endif
         spi_enabled = true;
     }
     return SL_STATUS_OK;
@@ -403,10 +399,6 @@ sl_status_t sl_wfx_host_disable_spi(void)
     if (spi_enabled == true)
     {
         spi_enabled = false;
-#ifdef SLEEP_ENABLED
-        // Allow the host to use the lowest allowed EM
-        sl_power_manager_remove_em_requirement(SL_POWER_MANAGER_EM1);
-#endif
     }
     return SL_STATUS_OK;
 }

examples/platform/silabs/efr32/wf200/host_if.cpp

@@ -606,6 +606,7 @@ static void wfx_events_task(void * p_arg)
             if (!(wfx_get_wifi_state() & SL_WFX_AP_INTERFACE_UP))
             {
                 // Enable the power save
+                SILABS_LOG("WF200 going to DTIM based sleep");
                 sl_wfx_set_power_mode(WFM_PM_MODE_DTIM, WFM_PM_POLL_FAST_PS, BEACON_1);
                 sl_wfx_enable_device_power_save();
             }