Re: [PATCH 5/5] cadence-xspi: Add xfer capabilities
From: kernel test robot
Date: Sat Mar 30 2024 - 23:26:29 EST
Hi Witold,
kernel test robot noticed the following build warnings:
[auto build test WARNING on broonie-spi/for-next]
[also build test WARNING on linus/master v6.9-rc1 next-20240328]
[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/Witold-Sadowski/spi-cadence-Add-new-bindings-documentation-for-Cadence-XSPI/20240330-035124
base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next
patch link: https://lore.kernel.org/r/20240329194849.25554-6-wsadowski%40marvell.com
patch subject: [PATCH 5/5] cadence-xspi: Add xfer capabilities
config: x86_64-randconfig-123-20240331 (https://download.01.org/0day-ci/archive/20240331/202403311133.jOI5kbg4-lkp@xxxxxxxxx/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240331/202403311133.jOI5kbg4-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202403311133.jOI5kbg4-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
drivers/spi/spi-cadence-xspi.c: In function 'cdns_xspi_setup':
drivers/spi/spi-cadence-xspi.c:892:36: error: implicit declaration of function 'spi_master_get_devdata'; did you mean 'spi_mem_get_drvdata'? [-Werror=implicit-function-declaration]
struct cdns_xspi_dev *cdns_xspi = spi_master_get_devdata(spi_dev->master);
^~~~~~~~~~~~~~~~~~~~~~
spi_mem_get_drvdata
drivers/spi/spi-cadence-xspi.c:892:66: error: 'struct spi_device' has no member named 'master'
struct cdns_xspi_dev *cdns_xspi = spi_master_get_devdata(spi_dev->master);
^~
drivers/spi/spi-cadence-xspi.c: In function 'cdns_xspi_transfer_one_message_b0':
>> drivers/spi/spi-cadence-xspi.c:1029:36: warning: initialization makes pointer from integer without a cast [-Wint-conversion]
struct cdns_xspi_dev *cdns_xspi = spi_master_get_devdata(master);
^~~~~~~~~~~~~~~~~~~~~~
>> drivers/spi/spi-cadence-xspi.c:1035:11: warning: initialization makes integer from pointer without a cast [-Wint-conversion]
int cs = spi->chip_select;
^~~
drivers/spi/spi-cadence-xspi.c: At top level:
drivers/spi/spi-cadence-xspi.c:1242:0: error: unterminated #ifdef
#ifdef CONFIG_OF
cc1: some warnings being treated as errors
vim +1029 drivers/spi/spi-cadence-xspi.c
1025
1026 int cdns_xspi_transfer_one_message_b0(struct spi_controller *master,
1027 struct spi_message *m)
1028 {
> 1029 struct cdns_xspi_dev *cdns_xspi = spi_master_get_devdata(master);
1030 struct spi_device *spi = m->spi;
1031 struct spi_transfer *t = NULL;
1032
1033 const int max_len = XFER_QWORD_BYTECOUNT * XFER_QWORD_COUNT;
1034 int current_cycle_count;
> 1035 int cs = spi->chip_select;
1036 int cs_change = 0;
1037
1038 /* Enable xfer state machine */
1039 if (!cdns_xspi->xfer_in_progress) {
1040 u32 xfer_control = readl(cdns_xspi->xferbase + SPIX_XFER_FUNC_CTRL);
1041
1042 cdns_xspi->current_xfer_qword = 0;
1043 cdns_xspi->xfer_in_progress = true;
1044 xfer_control |= (XFER_RECEIVE_ENABLE |
1045 XFER_CLK_CAPTURE_POL |
1046 XFER_FUNC_START |
1047 XFER_SOFT_RESET |
1048 FIELD_PREP(XFER_CS_N_HOLD, (1 << cs)));
1049 xfer_control &= ~(XFER_FUNC_ENABLE | XFER_CLK_DRIVE_POL);
1050 writel(xfer_control, cdns_xspi->xferbase + SPIX_XFER_FUNC_CTRL);
1051 }
1052
1053 list_for_each_entry(t, &m->transfers, transfer_list) {
1054 u8 *txd = (u8 *) t->tx_buf;
1055 u8 *rxd = (u8 *) t->rx_buf;
1056 u8 data[10];
1057 u32 cmd_regs[6];
1058
1059 if (!txd)
1060 txd = data;
1061
1062 cdns_xspi->in_buffer = txd + 1;
1063 cdns_xspi->out_buffer = txd + 1;
1064
1065 while (t->len) {
1066
1067 current_cycle_count = t->len > max_len ? max_len : t->len;
1068
1069 if (current_cycle_count < 10) {
1070 cdns_xspi_prepare_generic(cs, txd, current_cycle_count,
1071 false, cmd_regs);
1072 cdns_xspi_trigger_command(cdns_xspi, cmd_regs);
1073 if (cdns_xspi_stig_ready(cdns_xspi, true))
1074 return -EIO;
1075 } else {
1076 cdns_xspi_prepare_generic(cs, txd, 1, true, cmd_regs);
1077 cdns_xspi_trigger_command(cdns_xspi, cmd_regs);
1078 cdns_xspi_prepare_transfer(cs, 1, current_cycle_count - 1,
1079 cmd_regs);
1080 cdns_xspi_trigger_command(cdns_xspi, cmd_regs);
1081 if (cdns_xspi_sdma_ready(cdns_xspi, true))
1082 return -EIO;
1083 cdns_xspi_sdma_handle(cdns_xspi);
1084 if (cdns_xspi_stig_ready(cdns_xspi, true))
1085 return -EIO;
1086
1087 cdns_xspi->in_buffer += current_cycle_count;
1088 cdns_xspi->out_buffer += current_cycle_count;
1089 }
1090
1091 if (rxd) {
1092 int j;
1093
1094 for (j = 0; j < current_cycle_count / 8; j++)
1095 cdns_xspi_read_single_qword(cdns_xspi, &rxd);
1096 cdns_xspi_finish_read(cdns_xspi, &rxd, current_cycle_count);
1097 } else {
1098 cdns_xspi->current_xfer_qword += current_cycle_count /
1099 XFER_QWORD_BYTECOUNT;
1100 if (current_cycle_count % XFER_QWORD_BYTECOUNT)
1101 cdns_xspi->current_xfer_qword++;
1102
1103 cdns_xspi->current_xfer_qword %= XFER_QWORD_COUNT;
1104 }
1105 cs_change = t->cs_change;
1106 t->len -= current_cycle_count;
1107 }
1108 }
1109
1110 if (!cs_change) {
1111 u32 xfer_control = readl(cdns_xspi->xferbase + SPIX_XFER_FUNC_CTRL);
1112
1113 xfer_control &= ~(XFER_RECEIVE_ENABLE |
1114 XFER_SOFT_RESET);
1115 writel(xfer_control, cdns_xspi->xferbase + SPIX_XFER_FUNC_CTRL);
1116 cdns_xspi->xfer_in_progress = false;
1117 }
1118
1119 m->status = 0;
1120 spi_finalize_current_message(master);
1121
1122 return 0;
1123 }
1124
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki