diff options
Diffstat (limited to 'drivers/dma/mediatek/mtk-cqdma.c')
-rw-r--r-- | drivers/dma/mediatek/mtk-cqdma.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/dma/mediatek/mtk-cqdma.c b/drivers/dma/mediatek/mtk-cqdma.c index 529100c5b9f5..9f0c41ca7770 100644 --- a/drivers/dma/mediatek/mtk-cqdma.c +++ b/drivers/dma/mediatek/mtk-cqdma.c @@ -420,15 +420,11 @@ static struct virt_dma_desc *mtk_cqdma_find_active_desc(struct dma_chan *c, { struct mtk_cqdma_vchan *cvc = to_cqdma_vchan(c); struct virt_dma_desc *vd; - unsigned long flags; - spin_lock_irqsave(&cvc->pc->lock, flags); list_for_each_entry(vd, &cvc->pc->queue, node) if (vd->tx.cookie == cookie) { - spin_unlock_irqrestore(&cvc->pc->lock, flags); return vd; } - spin_unlock_irqrestore(&cvc->pc->lock, flags); list_for_each_entry(vd, &cvc->vc.desc_issued, node) if (vd->tx.cookie == cookie) @@ -452,9 +448,11 @@ static enum dma_status mtk_cqdma_tx_status(struct dma_chan *c, if (ret == DMA_COMPLETE || !txstate) return ret; - spin_lock_irqsave(&cvc->vc.lock, flags); + spin_lock_irqsave(&cvc->pc->lock, flags); + spin_lock(&cvc->vc.lock); vd = mtk_cqdma_find_active_desc(c, cookie); - spin_unlock_irqrestore(&cvc->vc.lock, flags); + spin_unlock(&cvc->vc.lock); + spin_unlock_irqrestore(&cvc->pc->lock, flags); if (vd) { cvd = to_cqdma_vdesc(vd); @@ -518,7 +516,7 @@ mtk_cqdma_prep_dma_memcpy(struct dma_chan *c, dma_addr_t dest, /* setup dma channel */ cvd[i]->ch = c; - /* setup sourece, destination, and length */ + /* setup source, destination, and length */ tlen = (len > MTK_CQDMA_MAX_LEN) ? MTK_CQDMA_MAX_LEN : len; cvd[i]->len = tlen; cvd[i]->src = src; @@ -617,7 +615,7 @@ static int mtk_cqdma_alloc_chan_resources(struct dma_chan *c) u32 i, min_refcnt = U32_MAX, refcnt; unsigned long flags; - /* allocate PC with the minimun refcount */ + /* allocate PC with the minimum refcount */ for (i = 0; i < cqdma->dma_channels; ++i) { refcnt = refcount_read(&cqdma->pc[i]->refcnt); if (refcnt < min_refcnt) { @@ -922,7 +920,7 @@ static void mtk_cqdma_remove(struct platform_device *pdev) static struct platform_driver mtk_cqdma_driver = { .probe = mtk_cqdma_probe, - .remove_new = mtk_cqdma_remove, + .remove = mtk_cqdma_remove, .driver = { .name = KBUILD_MODNAME, .of_match_table = mtk_cqdma_match, |