[freescale-fslc:6.6-2.0.x-imx 4741/16788] drivers/soc/fsl/dpio/qbman-portal.c:1142: Error: no such instruction: `dc cvac,%ecx'

[kernel test robot <lkp@intel.com>]

tree:   https://github.com/Freescale/linux-fslc 6.6-2.0.x-imx
head:   ac32ba5fe66266329914d2020570364afe217bec
commit: ecf345f453d79979725e6a41fd7f8283835d1fdf [4741/16788] soc: fsl: dpio: enable qbman CENA portal memory access
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20241003/202410031533.CsizlbLE-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241003/202410031533.CsizlbLE-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410031533.CsizlbLE-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/soc/fsl/dpio/qbman-portal.c: In function 'qbman_swp_enqueue_multiple_desc_direct':
   drivers/soc/fsl/dpio/qbman-portal.c:874:21: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     874 |         addr_cena = (uint64_t)s->addr_cena;
         |                     ^
   drivers/soc/fsl/dpio/qbman-portal.c:876:24: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     876 |                 dccvac((uint64_t *)(addr_cena +
         |                        ^
   drivers/soc/fsl/dpio/qbman-portal.c:174:58: note: in definition of macro 'dccvac'
     174 | #define dccvac(p) { asm volatile("dc cvac, %0;" : : "r" (p) : "memory"); }
         |                                                          ^
   drivers/soc/fsl/dpio/qbman-portal.c: In function 'qbman_swp_enqueue_multiple_direct':
   drivers/soc/fsl/dpio/qbman-portal.c:729:1: warning: unsupported size for integer register
     729 | }
         | ^
   drivers/soc/fsl/dpio/qbman-portal.c: Assembler messages:
>> drivers/soc/fsl/dpio/qbman-portal.c:1142: Error: no such instruction: `dc cvac,%ecx'
>> drivers/soc/fsl/dpio/qbman-portal.c:1497: Error: no such instruction: `dc cvac,%edi'
>> drivers/soc/fsl/dpio/qbman-portal.c:178: Error: no such instruction: `dc ivac,%edx'
>> drivers/soc/fsl/dpio/qbman-portal.c:178: Error: no such instruction: `dc ivac,%esi'
>> drivers/soc/fsl/dpio/qbman-portal.c:178: Error: no such instruction: `dc ivac,%edx'
>> drivers/soc/fsl/dpio/qbman-portal.c:178: Error: no such instruction: `dc ivac,%edx'
>> drivers/soc/fsl/dpio/qbman-portal.c:178: Error: no such instruction: `dc ivac,%edx'
>> drivers/soc/fsl/dpio/qbman-portal.c:178: Error: no such instruction: `dc ivac,%edx'
>> drivers/soc/fsl/dpio/qbman-portal.c:722: Error: no such instruction: `dc cvac,%eax'
   drivers/soc/fsl/dpio/qbman-portal.c:876: Error: no such instruction: `dc cvac,%eax'
>> drivers/soc/fsl/dpio/qbman-portal.c:475: Error: no such instruction: `dc cvac,%edx'
>> drivers/soc/fsl/dpio/qbman-portal.c:178: Error: no such instruction: `dc ivac,%eax'
>> drivers/soc/fsl/dpio/qbman-portal.c:178: Error: no such instruction: `dc ivac,%edx'
>> drivers/soc/fsl/dpio/qbman-portal.c:475: Error: no such instruction: `dc cvac,%edx'
>> drivers/soc/fsl/dpio/qbman-portal.c:178: Error: no such instruction: `dc ivac,%edx'
>> drivers/soc/fsl/dpio/qbman-portal.c:475: Error: no such instruction: `dc cvac,%edx'
>> drivers/soc/fsl/dpio/qbman-portal.c:178: Error: no such instruction: `dc ivac,%edx'
>> drivers/soc/fsl/dpio/qbman-portal.c:475: Error: no such instruction: `dc cvac,%edx'
>> drivers/soc/fsl/dpio/qbman-portal.c:178: Error: no such instruction: `dc ivac,%edx'
>> drivers/soc/fsl/dpio/qbman-portal.c:475: Error: no such instruction: `dc cvac,%ebx'
>> drivers/soc/fsl/dpio/qbman-portal.c:178: Error: no such instruction: `dc ivac,%edx'
   drivers/soc/fsl/dpio/qbman-portal.c:475: Error: no such instruction: `dc cvac,%edx'


vim +1142 drivers/soc/fsl/dpio/qbman-portal.c

  1109	
  1110	/**
  1111	 * qbman_swp_pull_direct() - Issue the pull dequeue command
  1112	 * @s: the software portal object
  1113	 * @d: the software portal descriptor which has been configured with
  1114	 *     the set of qbman_pull_desc_set_*() calls
  1115	 *
  1116	 * Return 0 for success, and -EBUSY if the software portal is not ready
  1117	 * to do pull dequeue.
  1118	 */
  1119	static
  1120	int qbman_swp_pull_direct(struct qbman_swp *s, struct qbman_pull_desc *d)
  1121	{
  1122		struct qbman_pull_desc *p;
  1123	
  1124		if (!atomic_dec_and_test(&s->vdq.available)) {
  1125			atomic_inc(&s->vdq.available);
  1126			return -EBUSY;
  1127		}
  1128		s->vdq.storage = (void *)(uintptr_t)d->rsp_addr_virt;
  1129		if ((s->desc->qman_version & QMAN_REV_MASK) < QMAN_REV_5000)
  1130			p = qbman_get_cmd(s, QBMAN_CENA_SWP_VDQCR);
  1131		else
  1132			p = qbman_get_cmd(s, QBMAN_CENA_SWP_VDQCR_MEM);
  1133		p->numf = d->numf;
  1134		p->tok = QMAN_DQ_TOKEN_VALID;
  1135		p->dq_src = d->dq_src;
  1136		p->rsp_addr = d->rsp_addr;
  1137		p->rsp_addr_virt = d->rsp_addr_virt;
  1138		dma_wmb();
  1139		/* Set the verb byte, have to substitute in the valid-bit */
  1140		p->verb = d->verb | s->vdq.valid_bit;
  1141		s->vdq.valid_bit ^= QB_VALID_BIT;
> 1142		dccvac(p);
  1143	
  1144		return 0;
  1145	}
  1146	

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