lib: Remove source_hart and hartid parameter from IPI callbacks

The source_hart and hartid parameter is really not required in
IPI callbacks of sbi_platform because current hartid can always
be obtained by calling sbi_current_hartid() API.

Signed-off-by: Anup Patel <anup.patel@wdc.com>

6 files changed, 22 insertions, 21 deletions

diff --git a/platform/common/include/plat/sys/clint.h b/platform/common/include/plat/sys/clint.h
index 642d83a..2e8fdcd 100644
--- a/platform/common/include/plat/sys/clint.h
+++ b/platform/common/include/plat/sys/clint.h
@@ -12,13 +12,13 @@
 
 #include <sbi/sbi_types.h>
 
-void clint_ipi_inject(u32 target_hart, u32 source_hart);
+void clint_ipi_inject(u32 target_hart);
 
-void clint_ipi_sync(u32 target_hart, u32 source_hart);
+void clint_ipi_sync(u32 target_hart);
 
 void clint_ipi_clear(u32 target_hart);
 
-int clint_warm_ipi_init(u32 target_hart);
+int clint_warm_ipi_init(void);
 
 int clint_cold_ipi_init(unsigned long base, u32 hart_count);
 
diff --git a/platform/common/sys/clint.c b/platform/common/sys/clint.c
index e84c382..fc95fd3 100644
--- a/platform/common/sys/clint.c
+++ b/platform/common/sys/clint.c
@@ -9,28 +9,28 @@
 
 #include <sbi/riscv_io.h>
 #include <sbi/riscv_atomic.h>
+#include <sbi/sbi_hart.h>
 #include <plat/sys/clint.h>
 
 static u32 clint_ipi_hart_count;
 static volatile void *clint_ipi_base;
 static volatile u32 *clint_ipi;
 
-void clint_ipi_inject(u32 target_hart, u32 source_hart)
+void clint_ipi_inject(u32 target_hart)
 {
-	if ((clint_ipi_hart_count <= target_hart) ||
-	    (clint_ipi_hart_count <= source_hart))
+	if (clint_ipi_hart_count <= target_hart)
 		return;
 
 	/* Set CLINT IPI */
 	writel(1, &clint_ipi[target_hart]);
 }
 
-void clint_ipi_sync(u32 target_hart, u32 source_hart)
+void clint_ipi_sync(u32 target_hart)
 {
 	u32 target_ipi, incoming_ipi;
+	u32 source_hart = sbi_current_hartid();
 
-	if ((clint_ipi_hart_count <= target_hart) ||
-	    (clint_ipi_hart_count <= source_hart))
+	if (clint_ipi_hart_count <= target_hart)
 		return;
 
 	/* Wait until target HART has handled IPI */
@@ -57,14 +57,15 @@ void clint_ipi_clear(u32 target_hart)
 	writel(0, &clint_ipi[target_hart]);
 }
 
-int clint_warm_ipi_init(u32 target_hart)
+int clint_warm_ipi_init(void)
 {
-	if (clint_ipi_hart_count <= target_hart ||
-	    !clint_ipi_base)
+	u32 hartid = sbi_current_hartid();
+
+	if (!clint_ipi_base)
 		return -1;
 
 	/* Clear CLINT IPI */
-	clint_ipi_clear(target_hart);
+	clint_ipi_clear(hartid);
 
 	return 0;
 }
diff --git a/platform/kendryte/k210/platform.c b/platform/kendryte/k210/platform.c
index fd0b31a..4eb1d99 100644
--- a/platform/kendryte/k210/platform.c
+++ b/platform/kendryte/k210/platform.c
@@ -52,7 +52,7 @@ static int k210_irqchip_init(u32 hartid, bool cold_boot)
 				      (2 * hartid + 1));
 }
 
-static int k210_ipi_init(u32 hartid, bool cold_boot)
+static int k210_ipi_init(bool cold_boot)
 {
 	int rc;
 
@@ -63,7 +63,7 @@ static int k210_ipi_init(u32 hartid, bool cold_boot)
 			return rc;
 	}
 
-	return clint_warm_ipi_init(hartid);
+	return clint_warm_ipi_init();
 }
 
 static int k210_timer_init(u32 hartid, bool cold_boot)
diff --git a/platform/qemu/sifive_u/platform.c b/platform/qemu/sifive_u/platform.c
index 66faf86..a386765 100644
--- a/platform/qemu/sifive_u/platform.c
+++ b/platform/qemu/sifive_u/platform.c
@@ -89,7 +89,7 @@ static int sifive_u_irqchip_init(u32 hartid, bool cold_boot)
 				      (2 * hartid + 1));
 }
 
-static int sifive_u_ipi_init(u32 hartid, bool cold_boot)
+static int sifive_u_ipi_init(bool cold_boot)
 {
 	int rc;
 
@@ -100,7 +100,7 @@ static int sifive_u_ipi_init(u32 hartid, bool cold_boot)
 			return rc;
 	}
 
-	return clint_warm_ipi_init(hartid);
+	return clint_warm_ipi_init();
 }
 
 static int sifive_u_timer_init(u32 hartid, bool cold_boot)
diff --git a/platform/qemu/virt/platform.c b/platform/qemu/virt/platform.c
index 80e5261..31bff48 100644
--- a/platform/qemu/virt/platform.c
+++ b/platform/qemu/virt/platform.c
@@ -90,7 +90,7 @@ static int virt_irqchip_init(u32 hartid, bool cold_boot)
 				      (2 * hartid + 1));
 }
 
-static int virt_ipi_init(u32 hartid, bool cold_boot)
+static int virt_ipi_init(bool cold_boot)
 {
 	int rc;
 
@@ -101,7 +101,7 @@ static int virt_ipi_init(u32 hartid, bool cold_boot)
 			return rc;
 	}
 
-	return clint_warm_ipi_init(hartid);
+	return clint_warm_ipi_init();
 }
 
 static int virt_timer_init(u32 hartid, bool cold_boot)
diff --git a/platform/sifive/fu540/platform.c b/platform/sifive/fu540/platform.c
index 64e9a2c..c13be64 100644
--- a/platform/sifive/fu540/platform.c
+++ b/platform/sifive/fu540/platform.c
@@ -141,7 +141,7 @@ static int fu540_irqchip_init(u32 hartid, bool cold_boot)
 			(hartid) ? (2 * hartid) : -1);
 }
 
-static int fu540_ipi_init(u32 hartid, bool cold_boot)
+static int fu540_ipi_init(bool cold_boot)
 {
 	int rc;
 
@@ -153,7 +153,7 @@ static int fu540_ipi_init(u32 hartid, bool cold_boot)
 
 	}
 
-	return clint_warm_ipi_init(hartid);
+	return clint_warm_ipi_init();
 }
 
 static int fu540_timer_init(u32 hartid, bool cold_boot)