drivers/spi/spi-fsl-cpm.c:134:32: sparse: sparse: incorrect type in assignment (different base types)

From: kernel test robot
Date: Tue Jul 25 2023 - 08:18:10 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 0b5547c51827e053cc754db47d3ec3e6c2c451d2
commit: fc96ec826bced75cc6b9c07a4ac44bbf651337ab spi: fsl-cpm: Use 16 bit mode for large transfers with even size
date: 4 months ago
config: powerpc-randconfig-r081-20230725 (https://download.01.org/0day-ci/archive/20230725/202307252052.7RqHxFZj-lkp@xxxxxxxxx/config)
compiler: powerpc-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230725/202307252052.7RqHxFZj-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/202307252052.7RqHxFZj-lkp@xxxxxxxxx/

sparse warnings: (new ones prefixed by >>)
drivers/spi/spi-fsl-cpm.c:59:39: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:59:39: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr
drivers/spi/spi-fsl-cpm.c:59:39: sparse: got restricted __be32 [noderef] __iomem *
drivers/spi/spi-fsl-cpm.c:60:39: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:60:39: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr
drivers/spi/spi-fsl-cpm.c:60:39: sparse: got restricted __be16 [noderef] __iomem *
drivers/spi/spi-fsl-cpm.c:61:47: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short const volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:61:47: sparse: expected unsigned short const volatile [noderef] [usertype] __iomem *addr
drivers/spi/spi-fsl-cpm.c:61:47: sparse: got restricted __be16 [noderef] __iomem *
drivers/spi/spi-fsl-cpm.c:62:39: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:62:39: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr
drivers/spi/spi-fsl-cpm.c:62:39: sparse: got restricted __be32 [noderef] __iomem *
drivers/spi/spi-fsl-cpm.c:63:39: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:63:39: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr
drivers/spi/spi-fsl-cpm.c:63:39: sparse: got restricted __be16 [noderef] __iomem *
drivers/spi/spi-fsl-cpm.c:64:47: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short const volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:64:47: sparse: expected unsigned short const volatile [noderef] [usertype] __iomem *addr
drivers/spi/spi-fsl-cpm.c:64:47: sparse: got restricted __be16 [noderef] __iomem *
drivers/spi/spi-fsl-cpm.c:78:44: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct fsl_spi_reg *reg_base @@ got void [noderef] __iomem *reg_base @@
drivers/spi/spi-fsl-cpm.c:78:44: sparse: expected struct fsl_spi_reg *reg_base
drivers/spi/spi-fsl-cpm.c:78:44: sparse: got void [noderef] __iomem *reg_base
drivers/spi/spi-fsl-cpm.c:98:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected restricted __be32 [noderef] [usertype] __iomem *reg @@ got restricted __be32 * @@
drivers/spi/spi-fsl-cpm.c:98:32: sparse: expected restricted __be32 [noderef] [usertype] __iomem *reg
drivers/spi/spi-fsl-cpm.c:98:32: sparse: got restricted __be32 *
drivers/spi/spi-fsl-cpm.c:105:44: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct fsl_spi_reg *reg_base @@ got void [noderef] __iomem *reg_base @@
drivers/spi/spi-fsl-cpm.c:105:44: sparse: expected struct fsl_spi_reg *reg_base
drivers/spi/spi-fsl-cpm.c:105:44: sparse: got void [noderef] __iomem *reg_base
>> drivers/spi/spi-fsl-cpm.c:134:32: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] @@ got restricted __le16 @@
drivers/spi/spi-fsl-cpm.c:134:32: sparse: expected unsigned short [usertype]
drivers/spi/spi-fsl-cpm.c:134:32: sparse: got restricted __le16
drivers/spi/spi-fsl-cpm.c:165:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected restricted __be32 [noderef] [usertype] __iomem *reg @@ got restricted __be32 * @@
drivers/spi/spi-fsl-cpm.c:165:32: sparse: expected restricted __be32 [noderef] [usertype] __iomem *reg
drivers/spi/spi-fsl-cpm.c:165:32: sparse: got restricted __be32 *
drivers/spi/spi-fsl-cpm.c:205:44: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct fsl_spi_reg *reg_base @@ got void [noderef] __iomem *reg_base @@
drivers/spi/spi-fsl-cpm.c:205:44: sparse: expected struct fsl_spi_reg *reg_base
drivers/spi/spi-fsl-cpm.c:205:44: sparse: got void [noderef] __iomem *reg_base
drivers/spi/spi-fsl-cpm.c:217:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected restricted __be32 [noderef] [usertype] __iomem *reg @@ got restricted __be32 * @@
drivers/spi/spi-fsl-cpm.c:217:32: sparse: expected restricted __be32 [noderef] [usertype] __iomem *reg
drivers/spi/spi-fsl-cpm.c:217:32: sparse: got restricted __be32 *
drivers/spi/spi-fsl-cpm.c:333:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *pram @@ got void [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:333:22: sparse: expected void *pram
drivers/spi/spi-fsl-cpm.c:333:22: sparse: got void [noderef] __iomem *
drivers/spi/spi-fsl-cpm.c:338:36: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct spi_pram [noderef] __iomem *pram @@ got void *pram @@
drivers/spi/spi-fsl-cpm.c:338:36: sparse: expected struct spi_pram [noderef] __iomem *pram
drivers/spi/spi-fsl-cpm.c:338:36: sparse: got void *pram
drivers/spi/spi-fsl-cpm.c:377:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:377:23: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr
drivers/spi/spi-fsl-cpm.c:377:23: sparse: got restricted __be16 [noderef] __iomem *
drivers/spi/spi-fsl-cpm.c:378:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:378:23: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr
drivers/spi/spi-fsl-cpm.c:378:23: sparse: got restricted __be16 [noderef] __iomem *
drivers/spi/spi-fsl-cpm.c:381:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:381:23: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr
drivers/spi/spi-fsl-cpm.c:381:23: sparse: got restricted __be16 [noderef] __iomem *
drivers/spi/spi-fsl-cpm.c:382:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:382:23: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr
drivers/spi/spi-fsl-cpm.c:382:23: sparse: got restricted __be32 [noderef] __iomem *
drivers/spi/spi-fsl-cpm.c:383:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:383:23: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr
drivers/spi/spi-fsl-cpm.c:383:23: sparse: got restricted __be32 [noderef] __iomem *
drivers/spi/spi-fsl-cpm.c:384:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:384:23: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr
drivers/spi/spi-fsl-cpm.c:384:23: sparse: got restricted __be16 [noderef] __iomem *
drivers/spi/spi-fsl-cpm.c:385:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:385:23: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr
drivers/spi/spi-fsl-cpm.c:385:23: sparse: got restricted __be16 [noderef] __iomem *
drivers/spi/spi-fsl-cpm.c:386:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:386:23: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr
drivers/spi/spi-fsl-cpm.c:386:23: sparse: got restricted __be32 [noderef] __iomem *
drivers/spi/spi-fsl-cpm.c:387:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:387:23: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr
drivers/spi/spi-fsl-cpm.c:387:23: sparse: got restricted __be32 [noderef] __iomem *
drivers/spi/spi-fsl-cpm.c:388:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:388:23: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr
drivers/spi/spi-fsl-cpm.c:388:23: sparse: got restricted __be32 [noderef] __iomem *
drivers/spi/spi-fsl-cpm.c:389:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:389:23: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr
drivers/spi/spi-fsl-cpm.c:389:23: sparse: got restricted __be16 [noderef] __iomem *
drivers/spi/spi-fsl-cpm.c:390:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short volatile [noderef] [usertype] __iomem *addr @@ got restricted __be16 [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:390:23: sparse: expected unsigned short volatile [noderef] [usertype] __iomem *addr
drivers/spi/spi-fsl-cpm.c:390:23: sparse: got restricted __be16 [noderef] __iomem *
drivers/spi/spi-fsl-cpm.c:391:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int volatile [noderef] [usertype] __iomem *addr @@ got restricted __be32 [noderef] __iomem * @@
drivers/spi/spi-fsl-cpm.c:391:23: sparse: expected unsigned int volatile [noderef] [usertype] __iomem *addr
drivers/spi/spi-fsl-cpm.c:391:23: sparse: got restricted __be32 [noderef] __iomem *

vim +134 drivers/spi/spi-fsl-cpm.c

100
101 int fsl_spi_cpm_bufs(struct mpc8xxx_spi *mspi,
102 struct spi_transfer *t, bool is_dma_mapped)
103 {
104 struct device *dev = mspi->dev;
105 struct fsl_spi_reg *reg_base = mspi->reg_base;
106
107 if (is_dma_mapped) {
108 mspi->map_tx_dma = 0;
109 mspi->map_rx_dma = 0;
110 } else {
111 mspi->map_tx_dma = 1;
112 mspi->map_rx_dma = 1;
113 }
114
115 if (!t->tx_buf) {
116 mspi->tx_dma = mspi->dma_dummy_tx;
117 mspi->map_tx_dma = 0;
118 }
119
120 if (!t->rx_buf) {
121 mspi->rx_dma = mspi->dma_dummy_rx;
122 mspi->map_rx_dma = 0;
123 }
124 if (t->bits_per_word == 16 && t->tx_buf) {
125 const u16 *src = t->tx_buf;
126 u16 *dst;
127 int i;
128
129 dst = kmalloc(t->len, GFP_KERNEL);
130 if (!dst)
131 return -ENOMEM;
132
133 for (i = 0; i < t->len >> 1; i++)
> 134 dst[i] = cpu_to_le16p(src + i);
135
136 mspi->tx = dst;
137 mspi->map_tx_dma = 1;
138 }
139
140 if (mspi->map_tx_dma) {
141 void *nonconst_tx = (void *)mspi->tx; /* shut up gcc */
142
143 mspi->tx_dma = dma_map_single(dev, nonconst_tx, t->len,
144 DMA_TO_DEVICE);
145 if (dma_mapping_error(dev, mspi->tx_dma)) {
146 dev_err(dev, "unable to map tx dma\n");
147 return -ENOMEM;
148 }
149 } else if (t->tx_buf) {
150 mspi->tx_dma = t->tx_dma;
151 }
152
153 if (mspi->map_rx_dma) {
154 mspi->rx_dma = dma_map_single(dev, mspi->rx, t->len,
155 DMA_FROM_DEVICE);
156 if (dma_mapping_error(dev, mspi->rx_dma)) {
157 dev_err(dev, "unable to map rx dma\n");
158 goto err_rx_dma;
159 }
160 } else if (t->rx_buf) {
161 mspi->rx_dma = t->rx_dma;
162 }
163
164 /* enable rx ints */
165 mpc8xxx_spi_write_reg(&reg_base->mask, SPIE_RXB);
166
167 mspi->xfer_in_progress = t;
168 mspi->count = t->len;
169
170 /* start CPM transfers */
171 fsl_spi_cpm_bufs_start(mspi);
172
173 return 0;
174
175 err_rx_dma:
176 if (mspi->map_tx_dma)
177 dma_unmap_single(dev, mspi->tx_dma, t->len, DMA_TO_DEVICE);
178 return -ENOMEM;
179 }
180 EXPORT_SYMBOL_GPL(fsl_spi_cpm_bufs);
181

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

Next message: Takashi Iwai: "Re: [PATCH v2 2/9] ALSA: hda/i915: Allow override of gpu binding."
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