Hi Matti, Thank you for the patch! Yet something to improve: [auto build test ERROR on clk/clk-next] [also build test ERROR on v4.19-rc1 next-20180831] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Matti-Vaittinen/clk-clkdev-of_clk-add-managed-lookup-and-provider-registrations/20180831-045158 base: https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next config: i386-allyesconfig (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): drivers/clk/clk-bd718x7.c: In function 'bd71837_clk_set': drivers/clk/clk-bd718x7.c:28:39: error: dereferencing pointer to incomplete type 'struct bd718xx' return regmap_update_bits(c->mfd->regmap, c->reg, c->mask, status); ^~ drivers/clk/clk-bd718x7.c: In function 'bd71837_clk_probe': drivers/clk/clk-bd718x7.c:91:11: error: 'BD718XX_REG_OUT32K' undeclared (first use in this function); did you mean 'BD71837_REG_OUT32K'? c->reg = BD718XX_REG_OUT32K; ^~~~~~~~~~~~~~~~~~ BD71837_REG_OUT32K drivers/clk/clk-bd718x7.c:91:11: note: each undeclared identifier is reported only once for each function it appears in >> drivers/clk/clk-bd718x7.c:92:12: error: 'BD718XX_OUT32K_EN' undeclared (first use in this function); did you mean 'BD718XX_REG_OUT32K'? c->mask = BD718XX_OUT32K_EN; ^~~~~~~~~~~~~~~~~ BD718XX_REG_OUT32K drivers/clk/clk-bd718x7.c: In function 'bd71837_clk_set': drivers/clk/clk-bd718x7.c:29:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ vim +92 drivers/clk/clk-bd718x7.c 23 24 static int bd71837_clk_set(struct clk_hw *hw, int status) 25 { 26 struct bd718xx_clk *c = container_of(hw, struct bd718xx_clk, hw); 27 > 28 return regmap_update_bits(c->mfd->regmap, c->reg, c->mask, status); 29 } 30 31 static void bd71837_clk_disable(struct clk_hw *hw) 32 { 33 int rv; 34 struct bd718xx_clk *c = container_of(hw, struct bd718xx_clk, hw); 35 36 rv = bd71837_clk_set(hw, 0); 37 if (rv) 38 dev_dbg(&c->pdev->dev, "Failed to disable 32K clk (%d)\n", rv); 39 } 40 41 static int bd71837_clk_enable(struct clk_hw *hw) 42 { 43 return bd71837_clk_set(hw, 1); 44 } 45 46 static int bd71837_clk_is_enabled(struct clk_hw *hw) 47 { 48 int enabled; 49 int rval; 50 struct bd718xx_clk *c = container_of(hw, struct bd718xx_clk, hw); 51 52 rval = regmap_read(c->mfd->regmap, c->reg, &enabled); 53 54 if (rval) 55 return rval; 56 57 return enabled & c->mask; 58 } 59 60 static const struct clk_ops bd71837_clk_ops = { 61 .prepare = &bd71837_clk_enable, 62 .unprepare = &bd71837_clk_disable, 63 .is_prepared = &bd71837_clk_is_enabled, 64 }; 65 66 static int bd71837_clk_probe(struct platform_device *pdev) 67 { 68 struct bd718xx_clk *c; 69 int rval = -ENOMEM; 70 const char *parent_clk; 71 struct device *parent = pdev->dev.parent; 72 struct bd718xx *mfd = dev_get_drvdata(parent); 73 struct clk_init_data init = { 74 .name = "bd718xx-32k-out", 75 .ops = &bd71837_clk_ops, 76 }; 77 78 c = devm_kzalloc(&pdev->dev, sizeof(*c), GFP_KERNEL); 79 if (!c) 80 return -ENOMEM; 81 82 init.num_parents = 1; 83 parent_clk = of_clk_get_parent_name(parent->of_node, 0); 84 85 init.parent_names = &parent_clk; 86 if (!parent_clk) { 87 dev_err(&pdev->dev, "No parent clk found\n"); 88 return -EINVAL; 89 } 90 91 c->reg = BD718XX_REG_OUT32K; > 92 c->mask = BD718XX_OUT32K_EN; 93 c->mfd = mfd; 94 c->pdev = pdev; 95 c->hw.init = &init; 96 97 of_property_read_string_index(parent->of_node, 98 "clock-output-names", 0, &init.name); 99 100 rval = devm_clk_hw_register(&pdev->dev, &c->hw); 101 if (!rval) { 102 rval = devm_clk_hw_register_clkdev(&pdev->dev, 103 &c->hw, init.name, NULL); 104 if (rval) 105 dev_warn(&pdev->dev, "Failed to register clkdev\n"); 106 if (parent->of_node) { 107 rval = devm_of_clk_add_parent_hw_provider(&pdev->dev, 108 of_clk_hw_simple_get, &c->hw); 109 if (rval) 110 dev_err(&pdev->dev, 111 "adding clk provider failed\n"); 112 } 113 } else { 114 dev_err(&pdev->dev, "failed to register 32K clk"); 115 } 116 117 return rval; 118 } 119 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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