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Message-ID: <202407050921.S41aCBdD-lkp@intel.com>
Date: Fri, 5 Jul 2024 09:50:41 +0800
From: kernel test robot <lkp@...el.com>
To: Théo Lebrun <theo.lebrun@...tlin.com>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>,
Grégory Clement <gregory.clement@...tlin.com>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Tawfik Bayouk <tawfik.bayouk@...ileye.com>,
Théo Lebrun <theo.lebrun@...tlin.com>
Subject: Re: [PATCH v2 4/4] clk: eyeq: add driver
Hi Théo,
kernel test robot noticed the following build errors:
[auto build test ERROR on f2661062f16b2de5d7b6a5c42a9a5c96326b8454]
url: https://github.com/intel-lab-lkp/linux/commits/Th-o-Lebrun/Revert-dt-bindings-clock-mobileye-eyeq5-clk-add-bindings/20240704-211515
base: f2661062f16b2de5d7b6a5c42a9a5c96326b8454
patch link: https://lore.kernel.org/r/20240703-mbly-clk-v2-4-fe8c6199a579%40bootlin.com
patch subject: [PATCH v2 4/4] clk: eyeq: add driver
config: hexagon-allyesconfig (https://download.01.org/0day-ci/archive/20240705/202407050921.S41aCBdD-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project a0c6b8aef853eedaa0980f07c0a502a5a8a9740e)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240705/202407050921.S41aCBdD-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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407050921.S41aCBdD-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/clk/clk-eyeq.c:30:
In file included from include/linux/io.h:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/clk/clk-eyeq.c:30:
In file included from include/linux/io.h:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/clk/clk-eyeq.c:30:
In file included from include/linux/io.h:14:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
>> drivers/clk/clk-eyeq.c:264:9: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
264 | val = readq(priv->base + pll->reg64);
| ^
drivers/clk/clk-eyeq.c:724:9: error: call to undeclared function 'readq'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
724 | val = readq(base + pll->reg64);
| ^
6 warnings and 2 errors generated.
vim +/readq +264 drivers/clk/clk-eyeq.c
249
250 static void eqc_probe_init_plls(struct device *dev, struct eqc_priv *priv)
251 {
252 const struct eqc_match_data *data = priv->data;
253 unsigned long mult, div, acc;
254 const struct eqc_pll *pll;
255 struct clk_hw *hw;
256 unsigned int i;
257 u32 r0, r1;
258 u64 val;
259 int ret;
260
261 for (i = 0; i < data->pll_count; i++) {
262 pll = &data->plls[i];
263
> 264 val = readq(priv->base + pll->reg64);
265 r0 = val;
266 r1 = val >> 32;
267
268 ret = eqc_pll_parse_registers(r0, r1, &mult, &div, &acc);
269 if (ret) {
270 dev_warn(dev, "failed parsing state of %s\n", pll->name);
271 priv->cells->hws[pll->index] = ERR_PTR(ret);
272 continue;
273 }
274
275 hw = clk_hw_register_fixed_factor_with_accuracy_fwname(dev,
276 dev->of_node, pll->name, "ref", 0, mult, div, acc);
277 priv->cells->hws[pll->index] = hw;
278 if (IS_ERR(hw))
279 dev_warn(dev, "failed registering %s: %pe\n", pll->name, hw);
280 }
281 }
282
--
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https://github.com/intel/lkp-tests/wiki
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