CC: [email protected]
CC: [email protected]
TO: Tudor Ambarus <[email protected]>

tree:   https://github.com/ambarus/linux-0day spi-nor/next
head:   038b3fa2d89f1a00fdb8767704cdb799a0fe746b
commit: ff51c966a3c5144ae964797349747e680ee47c3a [1/15] spi: atmel-quadspi: Add 
support for sama7g5 QSPI
:::::: branch date: 22 hours ago
:::::: commit date: 4 days ago
config: openrisc-randconfig-m031-20220210 
(https://download.01.org/0day-ci/archive/20220211/[email protected]/config)
compiler: or1k-linux-gcc (GCC) 11.2.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>
Reported-by: Dan Carpenter <[email protected]>

smatch warnings:
drivers/spi/atmel-quadspi.c:1202 atmel_qspi_dma_init() warn: passing zero to 
'PTR_ERR'

vim +/PTR_ERR +1202 drivers/spi/atmel-quadspi.c

161aaab8a067a9 drivers/mtd/spi-nor/atmel-quadspi.c Cyrille Pitchen 2016-06-13  
1193  
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1194  static int atmel_qspi_dma_init(struct spi_controller *ctrl)
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1195  {
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1196     struct atmel_qspi *aq = spi_controller_get_devdata(ctrl);
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1197     int ret;
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1198  
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1199     aq->rx_chan = dma_request_chan(&aq->pdev->dev, "rx");
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1200     if (IS_ERR(aq->rx_chan)) {
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1201             aq->rx_chan = NULL;
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19 
@1202             return dev_err_probe(&aq->pdev->dev, PTR_ERR(aq->rx_chan),
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1203                                  "RX DMA channel is not available\n");
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1204     }
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1205  
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1206     aq->tx_chan = dma_request_chan(&aq->pdev->dev, "tx");
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1207     if (IS_ERR(aq->tx_chan)) {
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1208             ret = dev_err_probe(&aq->pdev->dev, PTR_ERR(aq->tx_chan),
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1209                                 "TX DMA channel is not available\n");
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1210             goto release_rx_chan;
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1211     }
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1212  
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1213     ctrl->dma_rx = aq->rx_chan;
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1214     ctrl->dma_tx = aq->tx_chan;
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1215     init_completion(&aq->dma_completion);
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1216  
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1217     dev_info(&aq->pdev->dev, "Using %s (tx) and %s (rx) for DMA 
transfers\n",
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1218              dma_chan_name(aq->tx_chan), dma_chan_name(aq->rx_chan));
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1219  
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1220     return 0;
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1221  
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1222  release_rx_chan:
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1223     dma_release_channel(aq->rx_chan);
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1224     aq->rx_chan = NULL;
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1225     aq->tx_chan = NULL;
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1226     return ret;
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1227  }
ff51c966a3c514 drivers/spi/atmel-quadspi.c         Tudor Ambarus   2020-10-19  
1228  

---
0-DAY CI Kernel Test Service, Intel Corporation
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