diff options
Diffstat (limited to 'drivers/soc/fsl/qbman/qman_test_stash.c')
-rw-r--r-- | drivers/soc/fsl/qbman/qman_test_stash.c | 38 |
1 files changed, 24 insertions, 14 deletions
diff --git a/drivers/soc/fsl/qbman/qman_test_stash.c b/drivers/soc/fsl/qbman/qman_test_stash.c index 43cf66ba42f5..e87b65403b67 100644 --- a/drivers/soc/fsl/qbman/qman_test_stash.c +++ b/drivers/soc/fsl/qbman/qman_test_stash.c @@ -175,7 +175,7 @@ static DEFINE_PER_CPU(struct hp_cpu, hp_cpus); /* links together the hp_cpu structs, in first-come first-serve order. */ static LIST_HEAD(hp_cpu_list); -static spinlock_t hp_lock = __SPIN_LOCK_UNLOCKED(hp_lock); +static DEFINE_SPINLOCK(hp_lock); static unsigned int hp_cpu_list_length; @@ -191,6 +191,9 @@ static void *__frame_ptr; static u32 *frame_ptr; static dma_addr_t frame_dma; +/* needed for dma_map*() */ +static const struct qm_portal_config *pcfg; + /* the main function waits on this */ static DECLARE_WAIT_QUEUE_HEAD(queue); @@ -210,16 +213,14 @@ static int allocate_frame_data(void) { u32 lfsr = HP_FIRST_WORD; int loop; - struct platform_device *pdev = platform_device_alloc("foobar", -1); - if (!pdev) { - pr_crit("platform_device_alloc() failed"); - return -EIO; - } - if (platform_device_add(pdev)) { - pr_crit("platform_device_add() failed"); + if (!qman_dma_portal) { + pr_crit("portal not available\n"); return -EIO; } + + pcfg = qman_get_qm_portal_config(qman_dma_portal); + __frame_ptr = kmalloc(4 * HP_NUM_WORDS, GFP_KERNEL); if (!__frame_ptr) return -ENOMEM; @@ -229,15 +230,22 @@ static int allocate_frame_data(void) frame_ptr[loop] = lfsr; lfsr = do_lfsr(lfsr); } - frame_dma = dma_map_single(&pdev->dev, frame_ptr, 4 * HP_NUM_WORDS, + + frame_dma = dma_map_single(pcfg->dev, frame_ptr, 4 * HP_NUM_WORDS, DMA_BIDIRECTIONAL); - platform_device_del(pdev); - platform_device_put(pdev); + if (dma_mapping_error(pcfg->dev, frame_dma)) { + pr_crit("dma mapping failure\n"); + kfree(__frame_ptr); + return -EIO; + } + return 0; } static void deallocate_frame_data(void) { + dma_unmap_single(pcfg->dev, frame_dma, 4 * HP_NUM_WORDS, + DMA_BIDIRECTIONAL); kfree(__frame_ptr); } @@ -249,7 +257,8 @@ static inline int process_frame_data(struct hp_handler *handler, int loop; if (qm_fd_addr_get64(fd) != handler->addr) { - pr_crit("bad frame address"); + pr_crit("bad frame address, [%llX != %llX]\n", + qm_fd_addr_get64(fd), handler->addr); return -EIO; } for (loop = 0; loop < HP_NUM_WORDS; loop++, p++) { @@ -397,8 +406,9 @@ static int init_handler(void *h) goto failed; } memset(&opts, 0, sizeof(opts)); - opts.we_mask = QM_INITFQ_WE_FQCTRL | QM_INITFQ_WE_CONTEXTA; - opts.fqd.fq_ctrl = QM_FQCTRL_CTXASTASHING; + opts.we_mask = cpu_to_be16(QM_INITFQ_WE_FQCTRL | + QM_INITFQ_WE_CONTEXTA); + opts.fqd.fq_ctrl = cpu_to_be16(QM_FQCTRL_CTXASTASHING); qm_fqd_set_stashing(&opts.fqd, 0, STASH_DATA_CL, STASH_CTX_CL); err = qman_init_fq(&handler->rx, QMAN_INITFQ_FLAG_SCHED | QMAN_INITFQ_FLAG_LOCAL, &opts); |