From: Hongbo Yao <andy.xu@hj-micro.com>
Date: Tue, 1 Apr 2025 05:42:48 +0000 (+0800)
Subject: perf: arm-ni: Fix missing platform_set_drvdata()
X-Git-Tag: v6.16-rc1~133^2~4^2~5
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=fc5106088d6db75df61308ef6de314d1f7959646;p=thirdparty%2Fkernel%2Flinux.git

perf: arm-ni: Fix missing platform_set_drvdata()

Add missing platform_set_drvdata in arm_ni_probe(), otherwise
calling platform_get_drvdata() in remove returns NULL.

Fixes: 4d5a7680f2b4 ("perf: Add driver for Arm NI-700 interconnect PMU")
Signed-off-by: Hongbo Yao <andy.xu@hj-micro.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/20250401054248.3985814-1-andy.xu@hj-micro.com
Signed-off-by: Will Deacon <will@kernel.org>
---

diff --git a/drivers/perf/arm-ni.c b/drivers/perf/arm-ni.c
index 0c418a7ee10f3..de7b6cce4d68a 100644
--- a/drivers/perf/arm-ni.c
+++ b/drivers/perf/arm-ni.c
@@ -660,6 +660,7 @@ static int arm_ni_probe(struct platform_device *pdev)
 	ni->num_cds = num_cds;
 	ni->part = part;
 	ni->id = atomic_fetch_inc(&id);
+	platform_set_drvdata(pdev, ni);
 
 	for (int v = 0; v < cfg.num_components; v++) {
 		reg = readl_relaxed(cfg.base + NI_CHILD_PTR(v));