tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: b86a6a241b7c60ca7a6ca4fb3c0d2aedbbf2c1b6 commit: 3b2abda7d28c69f564c1157b9b9c21ef40092ee9 [3010/7050] soc: fsl: dpio: Replace QMAN array mode with ring mode enqueue reproduce: # apt-get install sparse # sparse version: v0.6.1-174-g094d5a94-dirty git checkout 3b2abda7d28c69f564c1157b9b9c21ef40092ee9 make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/soc/fsl/dpio/qbman-portal.c:755:42: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got d const volatile [noderef] <asn:2> *addr @@ drivers/soc/fsl/dpio/qbman-portal.c:755:42: sparse: expected void const volatile [noderef] <asn:2> *addr drivers/soc/fsl/dpio/qbman-portal.c:755:42: sparse: got unsigned int [usertype] *[assigned] p drivers/soc/fsl/dpio/qbman-portal.c:903:42: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] <asn:2> *addr @@ got d const volatile [noderef] <asn:2> *addr @@ drivers/soc/fsl/dpio/qbman-portal.c:903:42: sparse: expected void const volatile [noderef] <asn:2> *addr drivers/soc/fsl/dpio/qbman-portal.c:903:42: sparse: got unsigned int [usertype] *[assigned] p vim +755 drivers/soc/fsl/dpio/qbman-portal.c 722 723 /** 724 * qbman_swp_enqueue_multiple_mem_back() - Issue a multi enqueue command 725 * using one enqueue descriptor 726 * @s: the software portal used for enqueue 727 * @d: the enqueue descriptor 728 * @fd: table pointer of frame descriptor table to be enqueued 729 * @flags: table pointer of QBMAN_ENQUEUE_FLAG_DCA flags, not used if NULL 730 * @num_frames: number of fd to be enqueued 731 * 732 * Return the number of fd enqueued, or a negative error number. 733 */ 734 static 735 int qbman_swp_enqueue_multiple_mem_back(struct qbman_swp *s, 736 const struct qbman_eq_desc *d, 737 const struct dpaa2_fd *fd, 738 uint32_t *flags, 739 int num_frames) 740 { 741 uint32_t *p = NULL; 742 const uint32_t *cl = (uint32_t *)(d); 743 uint32_t eqcr_ci, eqcr_pi, half_mask, full_mask; 744 int i, num_enqueued = 0; 745 unsigned long irq_flags; 746 747 spin_lock(&s->access_spinlock); 748 local_irq_save(irq_flags); 749 750 half_mask = (s->eqcr.pi_ci_mask>>1); 751 full_mask = s->eqcr.pi_ci_mask; 752 if (!s->eqcr.available) { 753 eqcr_ci = s->eqcr.ci; 754 p = s->addr_cena + QBMAN_CENA_SWP_EQCR_CI_MEMBACK; > 755 s->eqcr.ci = __raw_readl(p) & full_mask; 756 s->eqcr.available = qm_cyc_diff(s->eqcr.pi_ring_size, 757 eqcr_ci, s->eqcr.ci); 758 if (!s->eqcr.available) { 759 local_irq_restore(irq_flags); 760 spin_unlock(&s->access_spinlock); 761 return 0; 762 } 763 } 764 765 eqcr_pi = s->eqcr.pi; 766 num_enqueued = (s->eqcr.available < num_frames) ? 767 s->eqcr.available : num_frames; 768 s->eqcr.available -= num_enqueued; 769 /* Fill in the EQCR ring */ 770 for (i = 0; i < num_enqueued; i++) { 771 p = (s->addr_cena + QBMAN_CENA_SWP_EQCR(eqcr_pi & half_mask)); 772 /* Skip copying the verb */ 773 memcpy(&p[1], &cl[1], EQ_DESC_SIZE_WITHOUT_FD - 1); 774 memcpy(&p[EQ_DESC_SIZE_FD_START/sizeof(uint32_t)], 775 &fd[i], sizeof(*fd)); 776 eqcr_pi++; 777 } 778 779 /* Set the verb byte, have to substitute in the valid-bit */ 780 eqcr_pi = s->eqcr.pi; 781 for (i = 0; i < num_enqueued; i++) { 782 p = (s->addr_cena + QBMAN_CENA_SWP_EQCR(eqcr_pi & half_mask)); 783 p[0] = cl[0] | s->eqcr.pi_vb; 784 if (flags && (flags[i] & QBMAN_ENQUEUE_FLAG_DCA)) { 785 struct qbman_eq_desc *d = (struct qbman_eq_desc *)p; 786 787 d->dca = (1 << QB_ENQUEUE_CMD_DCA_EN_SHIFT) | 788 ((flags[i]) & QBMAN_EQCR_DCA_IDXMASK); 789 } 790 eqcr_pi++; 791 if (!(eqcr_pi & half_mask)) 792 s->eqcr.pi_vb ^= QB_VALID_BIT; 793 } 794 s->eqcr.pi = eqcr_pi & full_mask; 795 796 dma_wmb(); 797 qbman_write_register(s, QBMAN_CINH_SWP_EQCR_PI, 798 (QB_RT_BIT)|(s->eqcr.pi)|s->eqcr.pi_vb); 799 local_irq_restore(irq_flags); 800 spin_unlock(&s->access_spinlock); 801 802 return num_enqueued; 803 } 804 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
