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d="scan'208";a="6306803" Received: from igk-lkp-server01.igk.intel.com (HELO 58ca8a381a5c) ([10.211.93.152]) by fmviesa012.fm.intel.com with ESMTP; 27 Oct 2026 06:34:08 -0700 Received: from kbuild by 58ca8a381a5c with local (Exim 4.98.2) (envelope-from ) id 1xLhJV-000000004Wn-3DJn; Tue, 27 Oct 2026 13:34:05 +0000 Date: Tue, 27 Oct 2026 14:34:05 +0100 From: kernel test robot To: "Chen-Yu Tsai" Cc: oe-kbuild-all@lists.linux.dev Subject: [wens:random-stuff 1/10] drivers/clk/meson/meson8b.c:3636:14: warning: unused variable 'notifier_clk' Message-ID: <202610271406.SnQrnGTr-lkp@intel.com> User-Agent: s-nail v14.9.25 X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list tree: https://git.kernel.org/pub/scm/linux/kernel/git/wens/linux.git random-stuff head: 6c5d9e149cf308ead35a6bd9016a5f1c74a33cea commit: 040fc32d92a1a50000f1c4cad511ce2148a53e89 [1/10] clk: meson: meson8b: Simplify notifier clock lookup config: arm-randconfig-2001-20261027 (https://download.01.org/0day-ci/archive/20261027/202610271406.SnQrnGTr-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261027/202610271406.SnQrnGTr-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202610271406.SnQrnGTr-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/clk/meson/meson8b.c: In function 'meson8b_clkc_init_common': >> drivers/clk/meson/meson8b.c:3636:14: warning: unused variable 'notifier_clk' [-Wunused-variable] struct clk *notifier_clk; ^~~~~~~~~~~~ vim +/notifier_clk +3636 drivers/clk/meson/meson8b.c 5e4e480466e611f Neil Armstrong 2023-06-12 3630 cce433e6bc53b39 Martin Blumenstingl 2018-12-08 3631 static void __init meson8b_clkc_init_common(struct device_node *np, 5e4e480466e611f Neil Armstrong 2023-06-12 3632 struct meson_clk_hw_data *hw_clks) 189621726bc2f66 Martin Blumenstingl 2017-07-28 3633 { 189621726bc2f66 Martin Blumenstingl 2017-07-28 3634 struct meson8b_clk_reset *rstc; 89ab396d712f7c9 Liang He 2022-06-28 3635 struct device_node *parent_np; 7dc7eeb8c0875c4 Martin Blumenstingl 2018-11-15 @3636 struct clk *notifier_clk; 6291b8c5ac67d0f Martin Blumenstingl 2018-07-21 3637 struct regmap *map; 6291b8c5ac67d0f Martin Blumenstingl 2018-07-21 3638 int i, ret; 189621726bc2f66 Martin Blumenstingl 2017-07-28 3639 89ab396d712f7c9 Liang He 2022-06-28 3640 parent_np = of_get_parent(np); 89ab396d712f7c9 Liang He 2022-06-28 3641 map = syscon_node_to_regmap(parent_np); 89ab396d712f7c9 Liang He 2022-06-28 3642 of_node_put(parent_np); bb6eddd1d28c9c4 Martin Blumenstingl 2018-10-28 3643 if (IS_ERR(map)) { 40e977400d21aab Martin Blumenstingl 2020-12-21 3644 pr_err("failed to get HHI regmap - Trying obsolete regs\n"); 6291b8c5ac67d0f Martin Blumenstingl 2018-07-21 3645 return; bb6eddd1d28c9c4 Martin Blumenstingl 2018-10-28 3646 } 6291b8c5ac67d0f Martin Blumenstingl 2018-07-21 3647 bf4afc53b77aeaa Linus Torvalds 2026-02-21 3648 rstc = kzalloc_obj(*rstc); 189621726bc2f66 Martin Blumenstingl 2017-07-28 3649 if (!rstc) 189621726bc2f66 Martin Blumenstingl 2017-07-28 3650 return; 189621726bc2f66 Martin Blumenstingl 2017-07-28 3651 189621726bc2f66 Martin Blumenstingl 2017-07-28 3652 /* Reset Controller */ 93c873d68646165 Martin Blumenstingl 2018-07-21 3653 rstc->regmap = map; 189621726bc2f66 Martin Blumenstingl 2017-07-28 3654 rstc->reset.ops = &meson8b_clk_reset_ops; 189621726bc2f66 Martin Blumenstingl 2017-07-28 3655 rstc->reset.nr_resets = ARRAY_SIZE(meson8b_clk_reset_bits); 189621726bc2f66 Martin Blumenstingl 2017-07-28 3656 rstc->reset.of_node = np; 189621726bc2f66 Martin Blumenstingl 2017-07-28 3657 ret = reset_controller_register(&rstc->reset); 189621726bc2f66 Martin Blumenstingl 2017-07-28 3658 if (ret) { 189621726bc2f66 Martin Blumenstingl 2017-07-28 3659 pr_err("%s: Failed to register clkc reset controller: %d\n", 189621726bc2f66 Martin Blumenstingl 2017-07-28 3660 __func__, ret); 189621726bc2f66 Martin Blumenstingl 2017-07-28 3661 return; 189621726bc2f66 Martin Blumenstingl 2017-07-28 3662 } 6291b8c5ac67d0f Martin Blumenstingl 2018-07-21 3663 6291b8c5ac67d0f Martin Blumenstingl 2018-07-21 3664 /* 40e977400d21aab Martin Blumenstingl 2020-12-21 3665 * register all clks and start with the first used ID (which is 40e977400d21aab Martin Blumenstingl 2020-12-21 3666 * CLKID_PLL_FIXED) 6291b8c5ac67d0f Martin Blumenstingl 2018-07-21 3667 */ 5e4e480466e611f Neil Armstrong 2023-06-12 3668 for (i = CLKID_PLL_FIXED; i < hw_clks->num; i++) { 6291b8c5ac67d0f Martin Blumenstingl 2018-07-21 3669 /* array might be sparse */ 5e4e480466e611f Neil Armstrong 2023-06-12 3670 if (!hw_clks->hws[i]) 6291b8c5ac67d0f Martin Blumenstingl 2018-07-21 3671 continue; 6291b8c5ac67d0f Martin Blumenstingl 2018-07-21 3672 5e4e480466e611f Neil Armstrong 2023-06-12 3673 ret = of_clk_hw_register(np, hw_clks->hws[i]); 6291b8c5ac67d0f Martin Blumenstingl 2018-07-21 3674 if (ret) 6291b8c5ac67d0f Martin Blumenstingl 2018-07-21 3675 return; 6291b8c5ac67d0f Martin Blumenstingl 2018-07-21 3676 } 6291b8c5ac67d0f Martin Blumenstingl 2018-07-21 3677 5e4e480466e611f Neil Armstrong 2023-06-12 3678 meson8b_cpu_nb_data.cpu_clk = hw_clks->hws[CLKID_CPUCLK]; cce433e6bc53b39 Martin Blumenstingl 2018-12-08 3679 7dc7eeb8c0875c4 Martin Blumenstingl 2018-11-15 3680 /* 7dc7eeb8c0875c4 Martin Blumenstingl 2018-11-15 3681 * FIXME we shouldn't program the muxes in notifier handlers. The 7dc7eeb8c0875c4 Martin Blumenstingl 2018-11-15 3682 * tricky programming sequence will be handled by the forthcoming 7dc7eeb8c0875c4 Martin Blumenstingl 2018-11-15 3683 * coordinated clock rates mechanism once that feature is released. 7dc7eeb8c0875c4 Martin Blumenstingl 2018-11-15 3684 */ 040fc32d92a1a50 Chen-Yu Tsai 2023-03-15 3685 ret = clk_notifier_register(meson8b_cpu_scale_out_sel.hw.clk, &meson8b_cpu_nb_data.nb); 7dc7eeb8c0875c4 Martin Blumenstingl 2018-11-15 3686 if (ret) { 7dc7eeb8c0875c4 Martin Blumenstingl 2018-11-15 3687 pr_err("%s: failed to register the CPU clock notifier\n", 7dc7eeb8c0875c4 Martin Blumenstingl 2018-11-15 3688 __func__); 7dc7eeb8c0875c4 Martin Blumenstingl 2018-11-15 3689 return; 7dc7eeb8c0875c4 Martin Blumenstingl 2018-11-15 3690 } 7dc7eeb8c0875c4 Martin Blumenstingl 2018-11-15 3691 5e4e480466e611f Neil Armstrong 2023-06-12 3692 ret = of_clk_add_hw_provider(np, meson_clk_hw_get, hw_clks); 6291b8c5ac67d0f Martin Blumenstingl 2018-07-21 3693 if (ret) 6291b8c5ac67d0f Martin Blumenstingl 2018-07-21 3694 pr_err("%s: failed to register clock provider\n", __func__); 189621726bc2f66 Martin Blumenstingl 2017-07-28 3695 } 189621726bc2f66 Martin Blumenstingl 2017-07-28 3696 :::::: The code at line 3636 was first introduced by commit :::::: 7dc7eeb8c0875c4bb7607509d9270ad3fd726b6b clk: meson: meson8b: run from the XTAL when changing the CPU frequency :::::: TO: Martin Blumenstingl :::::: CC: Neil Armstrong -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki