tree: git://linuxtv.org/media_tree.git master
head: e32b31ae45c18679c186e67aa41d0e2318cae487
commit: 417d2e507edcb5cf15eb344f86bd3dd28737f24e [66/93] [media] media: platform: add VPFE capture driver support for AM437X
reproduce:
# apt-get install sparse
git checkout 417d2e507edcb5cf15eb344f86bd3dd28737f24e
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__
sparse warnings: (new ones prefixed by >>)
>> drivers/media/platform/am437x/am437x-vpfe.c:2202:57: sparse: incorrect type in argument 2 (different address spaces)
drivers/media/platform/am437x/am437x-vpfe.c:2202:57: expected void [noderef] <asn:1>*params
drivers/media/platform/am437x/am437x-vpfe.c:2202:57: got void *param
>> include/linux/spinlock.h:364:9: sparse: context imbalance in 'vpfe_start_streaming' - unexpected unlock
vim +2202 drivers/media/platform/am437x/am437x-vpfe.c
2186
2187 vpfe_dbg(2, vpfe, "vpfe_ioctl_default\n");
2188
2189 if (!valid_prio) {
2190 vpfe_err(vpfe, "%s device busy\n", __func__);
2191 return -EBUSY;
2192 }
2193
2194 /* If streaming is started, return error */
2195 if (vb2_is_busy(&vpfe->buffer_queue)) {
2196 vpfe_err(vpfe, "%s device busy\n", __func__);
2197 return -EBUSY;
2198 }
2199
2200 switch (cmd) {
2201 case VIDIOC_AM437X_CCDC_CFG:
> 2202 ret = vpfe_ccdc_set_params(&vpfe->ccdc, param);
2203 if (ret) {
2204 vpfe_dbg(2, vpfe,
2205 "Error setting parameters in CCDC\n");
2206 return ret;
2207 }
2208 ret = vpfe_get_ccdc_image_format(vpfe,
2209 &vpfe->fmt);
2210 if (ret < 0) {
---
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