Re: [PATCH 2/2] dmaengine: fsl-edma: remove redundant "idle" field from fsl_chan

kernel test robot
2024-06-01T05:09:08Z

Hi Frank,

kernel test robot noticed the following build errors:

[auto build test ERROR on vkoul-dmaengine/next]
[also build test ERROR on linus/master v6.10-rc1 next-20240531]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Frank-Li/dmaengine-fsl-edma-remove-redundant-idle-field-from-fsl_chan/20240601-050401
base: https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git next
patch link: https://lore.kernel.org/r/20240531210152.1878443-2-Frank.Li%40nxp.com
patch subject: [PATCH 2/2] dmaengine: fsl-edma: remove redundant "idle" field from fsl_chan
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20240601/202406011229.5vpeVXX2-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project bafda89a0944d947fc4b3b5663185e07a397ac30)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240601/202406011229.5vpeVXX2-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/202406011229.5vpeVXX2-lkp@intel.com/

All errors (new ones prefixed by >>):

In file included from drivers/dma/mcf-edma-main.c:7:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
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/dma/mcf-edma-main.c:7:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
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/dma/mcf-edma-main.c:7:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
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);
| ~~~~~~~~~~ ^
In file included from drivers/dma/mcf-edma-main.c:8:
In file included from include/linux/dmaengine.h:12:
In file included from include/linux/scatterlist.h:8:
In file included from include/linux/mm.h:2253:
include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> drivers/dma/mcf-edma-main.c:67:24: error: no member named 'idle' in 'struct fsl_edma_chan'
67 | mcf_edma->chans[ch].idle = true;
| ~~~~~~~~~~~~~~~~~~~ ^
drivers/dma/mcf-edma-main.c:199:13: error: no member named 'idle' in 'struct fsl_edma_chan'
199 | mcf_chan->idle = true;
| ~~~~~~~~ ^
7 warnings and 2 errors generated.

vim +67 drivers/dma/mcf-edma-main.c

e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 39
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 40 static irqreturn_t mcf_edma_err_handler(int irq, void *dev_id)
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 41 {
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 42 struct fsl_edma_engine *mcf_edma = dev_id;
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 43 struct edma_regs *regs = &mcf_edma->regs;
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 44 unsigned int err, ch;
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 45
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 46 err = ioread32(regs->errl);
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 47 if (!err)
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 48 return IRQ_NONE;
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 49
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 50 for (ch = 0; ch < (EDMA_CHANNELS / 2); ch++) {
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 51 if (err & BIT(ch)) {
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 52 fsl_edma_disable_request(&mcf_edma->chans[ch]);
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 53 iowrite8(EDMA_CERR_CERR(ch), regs->cerr);
79434f9b973616 drivers/dma/mcf-edma-main.c Frank Li 2023-08-21 54 fsl_edma_err_chan_handler(&mcf_edma->chans[ch]);
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 55 }
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 56 }
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 57
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 58 err = ioread32(regs->errh);
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 59 if (!err)
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 60 return IRQ_NONE;
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 61
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 62 for (ch = (EDMA_CHANNELS / 2); ch < EDMA_CHANNELS; ch++) {
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 63 if (err & (BIT(ch - (EDMA_CHANNELS / 2)))) {
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 64 fsl_edma_disable_request(&mcf_edma->chans[ch]);
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 65 iowrite8(EDMA_CERR_CERR(ch), regs->cerr);
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 66 mcf_edma->chans[ch].status = DMA_ERROR;
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 @67 mcf_edma->chans[ch].idle = true;
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 68 }
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 69 }
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 70
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 71 return IRQ_HANDLED;
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 72 }
e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 73

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