From: Arnd Bergmann <arnd@arndb.de>

The size of this type is architecture specific, and the recommended
way to print it portably is through the custom %pap format string.

Fixes: d6602e25819d ("cxl/region: Add support to indicate region has extended linear cache")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/cxl/core/region.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index ae899f68551f..fc36a5413d3f 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -759,7 +759,7 @@ static ssize_t extended_linear_cache_size_show(struct device *dev,
 	ACQUIRE(rwsem_read_intr, rwsem)(&cxl_rwsem.region);
 	if ((rc = ACQUIRE_ERR(rwsem_read_intr, &rwsem)))
 		return rc;
-	return sysfs_emit(buf, "%#llx\n", p->cache_size);
+	return sysfs_emit(buf, "%pap\n", &p->cache_size);
 }
 static DEVICE_ATTR_RO(extended_linear_cache_size);
 
-- 
2.39.5

On 12/4/25 2:52 AM, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
> 
> The size of this type is architecture specific, and the recommended
> way to print it portably is through the custom %pap format string.
> 
> Fixes: d6602e25819d ("cxl/region: Add support to indicate region has extended linear cache")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Reviewed-by: Dave Jiang <dave.jiang@intel.com>> ---
>  drivers/cxl/core/region.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
> index ae899f68551f..fc36a5413d3f 100644
> --- a/drivers/cxl/core/region.c
> +++ b/drivers/cxl/core/region.c
> @@ -759,7 +759,7 @@ static ssize_t extended_linear_cache_size_show(struct device *dev,
>  	ACQUIRE(rwsem_read_intr, rwsem)(&cxl_rwsem.region);
>  	if ((rc = ACQUIRE_ERR(rwsem_read_intr, &rwsem)))
>  		return rc;
> -	return sysfs_emit(buf, "%#llx\n", p->cache_size);
> +	return sysfs_emit(buf, "%pap\n", &p->cache_size);
>  }
>  static DEVICE_ATTR_RO(extended_linear_cache_size);
>