diff options
Diffstat (limited to 'drivers/dma/ppc4xx/adma.c')
| -rw-r--r-- | drivers/dma/ppc4xx/adma.c | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c index 0a3478e910f0..7c3747902a37 100644 --- a/drivers/dma/ppc4xx/adma.c +++ b/drivers/dma/ppc4xx/adma.c @@ -38,6 +38,7 @@ #include <linux/dma-mapping.h> #include <linux/spinlock.h> #include <linux/interrupt.h> +#include <linux/slab.h> #include <linux/uaccess.h> #include <linux/proc_fs.h> #include <linux/of.h> @@ -3934,12 +3935,13 @@ static void ppc440spe_adma_free_chan_resources(struct dma_chan *chan) } /** - * ppc440spe_adma_is_complete - poll the status of an ADMA transaction + * ppc440spe_adma_tx_status - poll the status of an ADMA transaction * @chan: ADMA channel handle * @cookie: ADMA transaction identifier + * @txstate: a holder for the current state of the channel */ -static enum dma_status ppc440spe_adma_is_complete(struct dma_chan *chan, - dma_cookie_t cookie, dma_cookie_t *done, dma_cookie_t *used) +static enum dma_status ppc440spe_adma_tx_status(struct dma_chan *chan, + dma_cookie_t cookie, struct dma_tx_state *txstate) { struct ppc440spe_adma_chan *ppc440spe_chan; dma_cookie_t last_used; @@ -3950,10 +3952,7 @@ static enum dma_status ppc440spe_adma_is_complete(struct dma_chan *chan, last_used = chan->cookie; last_complete = ppc440spe_chan->completed_cookie; - if (done) - *done = last_complete; - if (used) - *used = last_used; + dma_set_tx_state(txstate, last_complete, last_used, 0); ret = dma_async_is_complete(cookie, last_complete, last_used); if (ret == DMA_SUCCESS) @@ -3964,10 +3963,7 @@ static enum dma_status ppc440spe_adma_is_complete(struct dma_chan *chan, last_used = chan->cookie; last_complete = ppc440spe_chan->completed_cookie; - if (done) - *done = last_complete; - if (used) - *used = last_used; + dma_set_tx_state(txstate, last_complete, last_used, 0); return dma_async_is_complete(cookie, last_complete, last_used); } @@ -4179,7 +4175,7 @@ static void ppc440spe_adma_init_capabilities(struct ppc440spe_adma_device *adev) ppc440spe_adma_alloc_chan_resources; adev->common.device_free_chan_resources = ppc440spe_adma_free_chan_resources; - adev->common.device_is_tx_complete = ppc440spe_adma_is_complete; + adev->common.device_tx_status = ppc440spe_adma_tx_status; adev->common.device_issue_pending = ppc440spe_adma_issue_pending; /* Set prep routines based on capability */ @@ -4261,10 +4257,12 @@ static int ppc440spe_adma_setup_irqs(struct ppc440spe_adma_device *adev, struct ppc440spe_adma_chan *chan, int *initcode) { + struct of_device *ofdev; struct device_node *np; int ret; - np = container_of(adev->dev, struct of_device, dev)->node; + ofdev = container_of(adev->dev, struct of_device, dev); + np = ofdev->dev.of_node; if (adev->id != PPC440SPE_XOR_ID) { adev->err_irq = irq_of_parse_and_map(np, 1); if (adev->err_irq == NO_IRQ) { @@ -4398,7 +4396,7 @@ static void ppc440spe_adma_release_irqs(struct ppc440spe_adma_device *adev, static int __devinit ppc440spe_adma_probe(struct of_device *ofdev, const struct of_device_id *match) { - struct device_node *np = ofdev->node; + struct device_node *np = ofdev->dev.of_node; struct resource res; struct ppc440spe_adma_device *adev; struct ppc440spe_adma_chan *chan; @@ -4630,7 +4628,7 @@ out: static int __devexit ppc440spe_adma_remove(struct of_device *ofdev) { struct ppc440spe_adma_device *adev = dev_get_drvdata(&ofdev->dev); - struct device_node *np = ofdev->node; + struct device_node *np = ofdev->dev.of_node; struct resource res; struct dma_chan *chan, *_chan; struct ppc_dma_chan_ref *ref, *_ref; @@ -4940,7 +4938,7 @@ out_free: return ret; } -static struct of_device_id __devinitdata ppc440spe_adma_of_match[] = { +static const struct of_device_id ppc440spe_adma_of_match[] __devinitconst = { { .compatible = "ibm,dma-440spe", }, { .compatible = "amcc,xor-accelerator", }, {}, @@ -4948,12 +4946,12 @@ static struct of_device_id __devinitdata ppc440spe_adma_of_match[] = { MODULE_DEVICE_TABLE(of, ppc440spe_adma_of_match); static struct of_platform_driver ppc440spe_adma_driver = { - .match_table = ppc440spe_adma_of_match, .probe = ppc440spe_adma_probe, .remove = __devexit_p(ppc440spe_adma_remove), .driver = { .name = "PPC440SP(E)-ADMA", .owner = THIS_MODULE, + .of_match_table = ppc440spe_adma_of_match, }, }; |