* [ukleinek:pwm/for-nexxt 26/26] drivers/pwm/pwm-apple.c:125:8: error: call to undeclared function 'devm_clk_rate_exclusive_get'; ISO C99 and later do not support implicit function declarations
@ 2024-03-31 19:00 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-03-31 19:00 UTC (permalink / raw)
To: Uwe Kleine-König; +Cc: llvm, oe-kbuild-all
tree: https://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux.git pwm/for-nexxt
head: 0bac6aced1c550ec9628e0fa5d98036c6cbc51b4
commit: 0bac6aced1c550ec9628e0fa5d98036c6cbc51b4 [26/26] WIP: pwm: Fix clk rate using clk_rate_exclusive_get()
config: hexagon-randconfig-002-20240331 (https://download.01.org/0day-ci/archive/20240401/202404010249.YO0QV41t-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 546dc2245ffc4cccd0b05b58b7a5955e355a3b27)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240401/202404010249.YO0QV41t-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202404010249.YO0QV41t-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/pwm/pwm-apple.c:19:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
547 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
560 | 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/pwm/pwm-apple.c:19:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
573 | 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/pwm/pwm-apple.c:19:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
584 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
>> drivers/pwm/pwm-apple.c:125:8: error: call to undeclared function 'devm_clk_rate_exclusive_get'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
125 | ret = devm_clk_rate_exclusive_get(&pdev->dev, clk);
| ^
drivers/pwm/pwm-apple.c:125:8: note: did you mean 'clk_rate_exclusive_get'?
include/linux/clk.h:284:19: note: 'clk_rate_exclusive_get' declared here
284 | static inline int clk_rate_exclusive_get(struct clk *clk)
| ^
6 warnings and 1 error generated.
vim +/devm_clk_rate_exclusive_get +125 drivers/pwm/pwm-apple.c
102
103 static int apple_pwm_probe(struct platform_device *pdev)
104 {
105 struct pwm_chip *chip;
106 struct apple_pwm *fpwm;
107 struct clk *clk;
108 int ret;
109
110 chip = devm_pwmchip_alloc(&pdev->dev, 1, sizeof(*fpwm));
111 if (IS_ERR(chip))
112 return PTR_ERR(chip);
113
114 fpwm = to_apple_pwm(chip);
115
116 fpwm->base = devm_platform_ioremap_resource(pdev, 0);
117 if (IS_ERR(fpwm->base))
118 return PTR_ERR(fpwm->base);
119
120 clk = devm_clk_get_enabled(&pdev->dev, NULL);
121 if (IS_ERR(clk))
122 return dev_err_probe(&pdev->dev, PTR_ERR(clk), "unable to get the clock");
123
124 /* Ensure that clk doesn't change behind our back */
> 125 ret = devm_clk_rate_exclusive_get(&pdev->dev, clk);
126 if (ret)
127 return dev_err_probe(&pdev->dev, ret,
128 "unable to lock clock rate");
129
130 /*
131 * Uses the 24MHz system clock on all existing devices, can only
132 * happen if the device tree is broken
133 *
134 * This check is done to prevent an overflow in .apply
135 */
136 fpwm->clkrate = clk_get_rate(clk);
137 if (fpwm->clkrate > NSEC_PER_SEC)
138 return dev_err_probe(&pdev->dev, -EINVAL, "pwm clock out of range");
139
140 chip->ops = &apple_pwm_ops;
141
142 ret = devm_pwmchip_add(&pdev->dev, chip);
143 if (ret < 0)
144 return dev_err_probe(&pdev->dev, ret, "unable to add pwm chip");
145
146 return 0;
147 }
148
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2024-03-31 19:00 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-03-31 19:00 [ukleinek:pwm/for-nexxt 26/26] drivers/pwm/pwm-apple.c:125:8: error: call to undeclared function 'devm_clk_rate_exclusive_get'; ISO C99 and later do not support implicit function declarations kernel test robot
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.