Re: [PATCH v5 2/2] i2c: i2c-qcom-geni: Add Block event interrupt support

[kernel test robot <lkp@intel.com>]

Hi Jyothi,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 55bcd2e0d04c1171d382badef1def1fd04ef66c5]

url:    https://github.com/intel-lab-lkp/linux/commits/Jyothi-Kumar-Seerapu/dmaengine-qcom-gpi-Add-GPI-Block-event-interrupt-support/20250120-180058
base:   55bcd2e0d04c1171d382badef1def1fd04ef66c5
patch link:    https://lore.kernel.org/r/20250120095753.25539-3-quic_jseerapu%40quicinc.com
patch subject: [PATCH v5 2/2] i2c: i2c-qcom-geni: Add Block event interrupt support
config: arc-randconfig-001-20250120 (https://download.01.org/0day-ci/archive/20250120/202501202159.wLRVO16t-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250120/202501202159.wLRVO16t-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/202501202159.wLRVO16t-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/i2c/busses/i2c-qcom-geni.c:599: warning: Excess function parameter 'dev' description in 'geni_i2c_gpi_multi_desc_unmap'

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for OMAP2PLUS_MBOX
   Depends on [n]: MAILBOX [=y] && (ARCH_OMAP2PLUS || ARCH_K3)
   Selected by [m]:
   - TI_K3_M4_REMOTEPROC [=m] && REMOTEPROC [=y] && (ARCH_K3 || COMPILE_TEST [=y])


vim +599 drivers/i2c/busses/i2c-qcom-geni.c

   589	
   590	/**
   591	 * geni_i2c_gpi_multi_desc_unmap() - unmaps the buffers post multi message TX transfers
   592	 * @dev: pointer to the corresponding dev node
   593	 * @gi2c: i2c dev handle
   594	 * @msgs: i2c messages array
   595	 * @peripheral: pointer to the gpi_i2c_config
   596	 */
   597	static void geni_i2c_gpi_multi_desc_unmap(struct geni_i2c_dev *gi2c, struct i2c_msg msgs[],
   598						  struct gpi_i2c_config *peripheral)
 > 599	{
   600		u32 msg_xfer_cnt, wr_idx = 0;
   601		struct geni_i2c_gpi_multi_desc_xfer *tx_multi_xfer = &gi2c->i2c_multi_desc_config;
   602	
   603		/*
   604		 * In error case, need to unmap all messages based on the msg_idx_cnt.
   605		 * Non-error case unmap all the processed messages.
   606		 */
   607		if (gi2c->err)
   608			msg_xfer_cnt = tx_multi_xfer->msg_idx_cnt;
   609		else
   610			msg_xfer_cnt = tx_multi_xfer->irq_cnt * QCOM_I2C_GPI_NUM_MSGS_PER_IRQ;
   611	
   612		/* Unmap the processed DMA buffers based on the received interrupt count */
   613		for (; tx_multi_xfer->unmap_msg_cnt < msg_xfer_cnt; tx_multi_xfer->unmap_msg_cnt++) {
   614			if (tx_multi_xfer->unmap_msg_cnt == gi2c->num_msgs)
   615				break;
   616			wr_idx = tx_multi_xfer->unmap_msg_cnt % QCOM_I2C_GPI_MAX_NUM_MSGS;
   617			geni_i2c_gpi_unmap(gi2c, &msgs[tx_multi_xfer->unmap_msg_cnt],
   618					   tx_multi_xfer->dma_buf[wr_idx],
   619					   tx_multi_xfer->dma_addr[wr_idx],
   620					   NULL, (dma_addr_t)NULL);
   621			tx_multi_xfer->freed_msg_cnt++;
   622		}
   623	}
   624	

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