linux-kernel - [PATCH] cxl/region: use %pap format to print resource_size

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Date: Tue,  2 Jan 2024 09:39:17 -0800
From: Randy Dunlap <rdunlap@...radead.org>
To: linux-kernel@...r.kernel.org
Cc: Randy Dunlap <rdunlap@...radead.org>,
	Fan Ni <fan.ni@...sung.com>,
	Davidlohr Bueso <dave@...olabs.net>,
	Jonathan Cameron <jonathan.cameron@...wei.com>,
	Dave Jiang <dave.jiang@...el.com>,
	Alison Schofield <alison.schofield@...el.com>,
	Vishal Verma <vishal.l.verma@...el.com>,
	Ira Weiny <ira.weiny@...el.com>,
	Dan Williams <dan.j.williams@...el.com>,
	linux-cxl@...r.kernel.org
Subject: [PATCH] cxl/region: use %pap format to print resource_size_t

Use "%pap" to print a resource_size_t (phys_addr_t derived type)
to prevent build warnings on 32-bit arches (seen on i386 and
riscv-32).

../drivers/cxl/core/region.c: In function 'alloc_hpa':
../drivers/cxl/core/region.c:556:25: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 5 has type 'resource_size_t' {aka 'unsigned int'} [-Wformat=]
  556 |                         "HPA allocation error (%ld) for size:%#llx in %s %pr\n",

Fixes: 7984d22f1315 ("cxl/region: Add dev_dbg() detail on failure to allocate HPA space")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Fan Ni <fan.ni@...sung.com>
Cc: Davidlohr Bueso <dave@...olabs.net>
Cc: Jonathan Cameron <jonathan.cameron@...wei.com>
Cc: Dave Jiang <dave.jiang@...el.com>
Cc: Alison Schofield <alison.schofield@...el.com>
Cc: Vishal Verma <vishal.l.verma@...el.com>
Cc: Ira Weiny <ira.weiny@...el.com>
Cc: Dan Williams <dan.j.williams@...el.com>
Cc: linux-cxl@...r.kernel.org
---
 drivers/cxl/core/region.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff -- a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -553,8 +553,8 @@ static int alloc_hpa(struct cxl_region *
 				    dev_name(&cxlr->dev));
 	if (IS_ERR(res)) {
 		dev_dbg(&cxlr->dev,
-			"HPA allocation error (%ld) for size:%#llx in %s %pr\n",
-			PTR_ERR(res), size, cxlrd->res->name, cxlrd->res);
+			"HPA allocation error (%ld) for size:%pap in %s %pr\n",
+			PTR_ERR(res), &size, cxlrd->res->name, cxlrd->res);
 		return PTR_ERR(res);
 	}