linux-kernel - Re: [PATCH v7 2/2] i2c: i2c-qcom-geni: Add Block event interrupt support

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Message-ID: <202509062008.lSOdhd4U-lkp@intel.com>
Date: Sat, 6 Sep 2025 20:49:26 +0800
From: kernel test robot <lkp@...el.com>
To: Jyothi Kumar Seerapu <quic_jseerapu@...cinc.com>,
	Vinod Koul <vkoul@...nel.org>,
	Mukesh Kumar Savaliya <quic_msavaliy@...cinc.com>,
	Viken Dadhaniya <quic_vdadhani@...cinc.com>,
	Andi Shyti <andi.shyti@...nel.org>,
	Sumit Semwal <sumit.semwal@...aro.org>,
	Christian König <christian.koenig@....com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-arm-msm@...r.kernel.org,
	dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-i2c@...r.kernel.org, linux-media@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, linaro-mm-sig@...ts.linaro.org,
	quic_vtanuku@...cinc.com
Subject: Re: [PATCH v7 2/2] i2c: i2c-qcom-geni: Add Block event interrupt
 support

Hi Jyothi,

kernel test robot noticed the following build warnings:

[auto build test WARNING on vkoul-dmaengine/next]
[also build test WARNING on andi-shyti/i2c/i2c-host linus/master v6.17-rc4 next-20250905]
[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/Jyothi-Kumar-Seerapu/dmaengine-qcom-gpi-Add-GPI-Block-event-interrupt-support/20250903-153745
base:   https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git next
patch link:    https://lore.kernel.org/r/20250903073059.2151837-3-quic_jseerapu%40quicinc.com
patch subject: [PATCH v7 2/2] i2c: i2c-qcom-geni: Add Block event interrupt support
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20250906/202509062008.lSOdhd4U-lkp@intel.com/config)
compiler: gcc-13 (Debian 13.3.0-16) 13.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250906/202509062008.lSOdhd4U-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/202509062008.lSOdhd4U-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/i2c/busses/i2c-qcom-geni.c: In function 'geni_i2c_gpi_multi_desc_unmap':
>> drivers/i2c/busses/i2c-qcom-geni.c:576:42: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     576 |                                    NULL, (dma_addr_t)NULL);
         |                                          ^


vim +576 drivers/i2c/busses/i2c-qcom-geni.c

   555	
   556	/**
   557	 * geni_i2c_gpi_multi_desc_unmap() - Unmaps DMA buffers post multi message TX transfers
   558	 * @gi2c: I2C dev handle
   559	 * @msgs: Array of I2C  messages
   560	 * @peripheral: Pointer to gpi_i2c_config
   561	 */
   562	static void geni_i2c_gpi_multi_desc_unmap(struct geni_i2c_dev *gi2c, struct i2c_msg msgs[],
   563						  struct gpi_i2c_config *peripheral)
   564	{
   565		u32 msg_xfer_cnt, wr_idx = 0;
   566		struct geni_i2c_gpi_multi_desc_xfer *tx_multi_xfer = &gi2c->i2c_multi_desc_config;
   567	
   568		msg_xfer_cnt = gi2c->err ? tx_multi_xfer->msg_idx_cnt : tx_multi_xfer->irq_cnt;
   569	
   570		/* Unmap the processed DMA buffers based on the received interrupt count */
   571		for (; tx_multi_xfer->unmap_msg_cnt < msg_xfer_cnt; tx_multi_xfer->unmap_msg_cnt++) {
   572			wr_idx = tx_multi_xfer->unmap_msg_cnt;
   573			geni_i2c_gpi_unmap(gi2c, &msgs[wr_idx],
   574					   tx_multi_xfer->dma_buf[wr_idx],
   575					   tx_multi_xfer->dma_addr[wr_idx],
 > 576					   NULL, (dma_addr_t)NULL);
   577	
   578			if (tx_multi_xfer->unmap_msg_cnt == gi2c->num_msgs - 1) {
   579				kfree(tx_multi_xfer->dma_buf);
   580				kfree(tx_multi_xfer->dma_addr);
   581				break;
   582			}
   583		}
   584	}
   585	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki