perf/arm_cspmu: Fix missing io.h include

Adding the writel() calls needs io.h, which apparently gets
transiently included somewhere on arm64, but not elsewhere.

Fixes: 6de0298a3925 ("perf/arm_cspmu: Generalise event filtering")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202503150649.Dol8RBSh-lkp@intel.com/
Closes: https://lore.kernel.org/oe-kbuild-all/202503152245.cAG4FMfi-lkp@intel.com/
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/657935ca177024ad08d5ec6f85e8faf75f82cf65.1742212833.git.robin.murphy@arm.com
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/drivers/perf/arm_cspmu/nvidia_cspmu.c b/drivers/perf/arm_cspmu/nvidia_cspmu.c
index 9e817f120828fce1c3a3e23a30c6c84a0f868a1d..dc6d4e3e2a1bac22f292751abef9dad5f7ef349b 100644 (file)
--- a/drivers/perf/arm_cspmu/nvidia_cspmu.c
+++ b/drivers/perf/arm_cspmu/nvidia_cspmu.c
@@ -6,6 +6,7 @@
 
 /* Support for NVIDIA specific attributes. */
 
+#include <linux/io.h>
 #include <linux/module.h>
 #include <linux/topology.h>