Re: [v2 2/2] dmaengine: fsl-dpaa2-qdma: Add NXP dpaa2 qDMA controller driver for Layerscape SoCs

From: kbuild test robot
Date: Mon Mar 04 2019 - 12:21:41 EST

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Previous message: Julien Grall: "[PATCH] tty/sysrq: Convert show_lock to raw_spinlock_t"
In reply to: Peng Ma: "[v2 2/2] dmaengine: fsl-dpaa2-qdma: Add NXP dpaa2 qDMA controller driver for Layerscape SoCs"
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Hi Peng,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.0 next-20190304]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Peng-Ma/dmaengine-fsl-dpaa2-qdma-Add-the-DPDMAI-Data-Path-DMA-Interface-support/20190304-204911
reproduce:
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

All warnings (new ones prefixed by >>):

>> drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:151:18: sparse: warning: incorrect type in assignment (different base types)
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:151:18: sparse: expected unsigned int [usertype] cmd
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:151:18: sparse: got restricted __le32 [usertype]
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:156:26: sparse: warning: incorrect type in assignment (different base types)
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:156:26: sparse: expected unsigned int [usertype] cmd
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:156:26: sparse: got restricted __le32 [usertype]
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:158:26: sparse: warning: incorrect type in assignment (different base types)
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:158:26: sparse: expected unsigned int [usertype] cmd
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:158:26: sparse: got restricted __le32 [usertype]
--
>> drivers/dma/fsl-dpaa2-qdma/dpdmai.c:93:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:93:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:93:9: sparse: right side has type unsigned long long
>> drivers/dma/fsl-dpaa2-qdma/dpdmai.c:93:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:93:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:93:9: sparse: right side has type unsigned long long
>> drivers/dma/fsl-dpaa2-qdma/dpdmai.c:101:18: sparse: warning: incorrect type in argument 1 (different base types)
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:101:18: sparse: expected unsigned long long [usertype] val
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:101:18: sparse: got restricted __le64 [addressable] [assigned] [usertype] header
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:169:9: sparse: warning: incorrect type in argument 1 (different base types)
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:169:9: sparse: expected unsigned long long [usertype] val
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:169:9: sparse: got restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:203:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:203:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:203:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: warning: incorrect type in argument 1 (different base types)
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: expected unsigned long long [usertype] val
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: got restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: warning: incorrect type in argument 1 (different base types)
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: expected unsigned long long [usertype] val
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: got restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: warning: incorrect type in argument 1 (different base types)
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: expected unsigned long long [usertype] val
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: got restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: warning: incorrect type in argument 1 (different base types)
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: expected unsigned long long [usertype] val
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: got restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:247:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:247:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:247:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:255:9: sparse: warning: incorrect type in argument 1 (different base types)
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:255:9: sparse: expected unsigned long long [usertype] val
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:255:9: sparse: got restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:272:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:272:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:272:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:272:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:272:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:272:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:291:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:291:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:291:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:299:9: sparse: warning: incorrect type in argument 1 (different base types)
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:299:9: sparse: expected unsigned long long [usertype] val
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:299:9: sparse: got restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:316:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:316:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:316:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:316:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:316:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:316:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:335:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:335:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:335:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:335:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:335:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:335:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:343:9: sparse: warning: incorrect type in argument 1 (different base types)
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:343:9: sparse: expected unsigned long long [usertype] val
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:343:9: sparse: got restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:360:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:360:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:360:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:360:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:360:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:360:9: sparse: right side has type unsigned long long

sparse warnings: (new ones prefixed by >>)

drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:151:18: sparse: warning: incorrect type in assignment (different base types)
>> drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:151:18: sparse: expected unsigned int [usertype] cmd
>> drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:151:18: sparse: got restricted __le32 [usertype]
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:156:26: sparse: warning: incorrect type in assignment (different base types)
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:156:26: sparse: expected unsigned int [usertype] cmd
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:156:26: sparse: got restricted __le32 [usertype]
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:158:26: sparse: warning: incorrect type in assignment (different base types)
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:158:26: sparse: expected unsigned int [usertype] cmd
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c:158:26: sparse: got restricted __le32 [usertype]
--
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:93:9: sparse: warning: invalid assignment: |=
>> drivers/dma/fsl-dpaa2-qdma/dpdmai.c:93:9: sparse: left side has type restricted __le64
>> drivers/dma/fsl-dpaa2-qdma/dpdmai.c:93:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:93:9: sparse: warning: invalid assignment: |=
>> drivers/dma/fsl-dpaa2-qdma/dpdmai.c:93:9: sparse: left side has type restricted __le64
>> drivers/dma/fsl-dpaa2-qdma/dpdmai.c:93:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:101:18: sparse: warning: incorrect type in argument 1 (different base types)
>> drivers/dma/fsl-dpaa2-qdma/dpdmai.c:101:18: sparse: expected unsigned long long [usertype] val
>> drivers/dma/fsl-dpaa2-qdma/dpdmai.c:101:18: sparse: got restricted __le64 [addressable] [assigned] [usertype] header
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:169:9: sparse: warning: incorrect type in argument 1 (different base types)
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:169:9: sparse: expected unsigned long long [usertype] val
>> drivers/dma/fsl-dpaa2-qdma/dpdmai.c:169:9: sparse: got restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:203:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:203:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:203:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: warning: incorrect type in argument 1 (different base types)
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: expected unsigned long long [usertype] val
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: got restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: warning: incorrect type in argument 1 (different base types)
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: expected unsigned long long [usertype] val
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: got restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: warning: incorrect type in argument 1 (different base types)
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: expected unsigned long long [usertype] val
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: got restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: warning: incorrect type in argument 1 (different base types)
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: expected unsigned long long [usertype] val
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:211:9: sparse: got restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:228:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:247:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:247:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:247:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:255:9: sparse: warning: incorrect type in argument 1 (different base types)
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:255:9: sparse: expected unsigned long long [usertype] val
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:255:9: sparse: got restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:272:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:272:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:272:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:272:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:272:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:272:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:291:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:291:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:291:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:299:9: sparse: warning: incorrect type in argument 1 (different base types)
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:299:9: sparse: expected unsigned long long [usertype] val
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:299:9: sparse: got restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:316:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:316:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:316:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:316:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:316:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:316:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:335:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:335:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:335:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:335:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:335:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:335:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:343:9: sparse: warning: incorrect type in argument 1 (different base types)
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:343:9: sparse: expected unsigned long long [usertype] val
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:343:9: sparse: got restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:360:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:360:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:360:9: sparse: right side has type unsigned long long
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:360:9: sparse: warning: invalid assignment: |=
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:360:9: sparse: left side has type restricted __le64
drivers/dma/fsl-dpaa2-qdma/dpdmai.c:360:9: sparse: right side has type unsigned long long

vim +151 drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c

138
139 /* first frame list for descriptor buffer */
140 static void
141 dpaa2_qdma_populate_first_framel(struct dpaa2_fl_entry *f_list,
142 struct dpaa2_qdma_comp *dpaa2_comp,
143 bool wrt_changed)
144 {
145 struct dpaa2_qdma_sd_d *sdd;
146
147 sdd = (struct dpaa2_qdma_sd_d *)dpaa2_comp->desc_virt_addr;
148 memset(sdd, 0, 2 * (sizeof(*sdd)));
149
150 /* source descriptor CMD */
> 151 sdd->cmd = cpu_to_le32(QDMA_SD_CMD_RDTTYPE_COHERENT);
152 sdd++;
153
154 /* dest descriptor CMD */
155 if (wrt_changed)
156 sdd->cmd = cpu_to_le32(LX2160_QDMA_DD_CMD_WRTTYPE_COHERENT);
157 else
158 sdd->cmd = cpu_to_le32(QDMA_DD_CMD_WRTTYPE_COHERENT);
159
160 memset(f_list, 0, sizeof(struct dpaa2_fl_entry));
161
162 /* first frame list to source descriptor */
163 dpaa2_fl_set_addr(f_list, dpaa2_comp->desc_bus_addr);
164 dpaa2_fl_set_len(f_list, 0x20);
165 dpaa2_fl_set_format(f_list, QDMA_FL_FMT_SBF | QDMA_FL_SL_LONG);
166
167 /* bypass memory translation */
168 if (smmu_disable)
169 f_list->bpid = cpu_to_le16(QDMA_FL_BMT_ENABLE);
170 }
171

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