[PATCH v4 4/6] irqchip/gic-v3-its: Add ITS address info in more error logs

[Kemeng Shi]

Multiple ITS units may exist in a system. When an error occurs, it is
difficult to identify which ITS triggered it because most error logs
lack the ITS address. Some logs already include this information and
is useful for debugging. Add the ITS address to the remaining error
logs so that all ITS-related errors can be consistently attributed to
a specific ITS instance.

Signed-off-by: Kemeng Shi <shikemeng at huaweicloud.com>
---
 drivers/irqchip/irq-gic-v3-its.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 8968bedefdba..244509701070 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -1120,7 +1120,7 @@ static struct its_cmd_block *its_allocate_entry(struct its_node *its)
 	while (its_queue_full(its)) {
 		count--;
 		if (!count) {
-			pr_err_ratelimited("ITS queue not draining\n");
+			pr_err_ratelimited("ITS@%pa queue not draining\n", &its->phys_base);
 			return NULL;
 		}
 		cpu_relax();
@@ -1196,8 +1196,8 @@ static int its_wait_for_range_completion(struct its_node *its,
 
 		count--;
 		if (!count) {
-			pr_err_ratelimited("ITS queue timeout (%llu %llu)\n",
-					   to_idx, linear_idx);
+			pr_err_ratelimited("ITS@%pa queue timeout (%llu %llu)\n",
+					   &its->phys_base, to_idx, linear_idx);
 			return -1;
 		}
 		prev_idx = rd_idx;
@@ -1244,7 +1244,7 @@ post:									\
 	raw_spin_unlock_irqrestore(&its->lock, flags);			\
 									\
 	if (its_wait_for_range_completion(its, rd_idx, next_cmd))	\
-		pr_err_ratelimited("ITS cmd %ps failed\n", builder);	\
+		pr_err_ratelimited("ITS@%pa cmd %ps failed\n", &its->phys_base, &builder);	\
 }
 
 static void its_build_sync_cmd(struct its_node *its,
@@ -2411,7 +2411,8 @@ static int its_setup_baser(struct its_node *its, struct its_baser *baser,
 
 		/* 52bit PA is supported only when PageSize=64K */
 		if (psz != SZ_64K) {
-			pr_err("ITS: no 52bit PA support when psz=%d\n", psz);
+			pr_err("ITS@%pa: no 52bit PA support when psz=%d\n",
+				   &its->phys_base, psz);
 			its_free_pages(base, order);
 			return -ENXIO;
 		}
@@ -5183,7 +5184,7 @@ static int its_init_vpe_domain(void)
 	vpe_proxy.dev = its_create_device(its, devid, entries, false);
 	if (!vpe_proxy.dev) {
 		kfree(vpe_proxy.vpes);
-		pr_err("ITS: Can't allocate GICv4 proxy device\n");
+		pr_err("ITS@%pa: Can't allocate GICv4 proxy device\n", &its->phys_base);
 		return -ENOMEM;
 	}
 
-- 
2.36.1