diff options
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/dma/shdma.c | 21 | ||||
| -rw-r--r-- | drivers/dma/shdma.h | 4 |
3 files changed, 13 insertions, 14 deletions
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index c27f80e..9d8ca99 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -128,7 +128,7 @@ config TXX9_DMAC config SH_DMAE tristate "Renesas SuperH DMAC support" - depends on SUPERH && SH_DMA + depends on (SUPERH && SH_DMA) || (ARM && ARCH_SHMOBILE) depends on !SH_DMA_API select DMA_ENGINE help diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c index 7cc31b3..ed3ef22 100644 --- a/drivers/dma/shdma.c +++ b/drivers/dma/shdma.c @@ -26,8 +26,7 @@ #include <linux/dma-mapping.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> - -#include <asm/dmaengine.h> +#include <linux/sh_dma.h> #include "shdma.h" @@ -45,7 +44,7 @@ enum sh_dmae_desc_status { #define LOG2_DEFAULT_XFER_SIZE 2 /* A bitmask with bits enough for enum sh_dmae_slave_chan_id */ -static unsigned long sh_dmae_slave_used[BITS_TO_LONGS(SHDMA_SLAVE_NUMBER)]; +static unsigned long sh_dmae_slave_used[BITS_TO_LONGS(SH_DMA_SLAVE_NUMBER)]; static void sh_dmae_chan_ld_cleanup(struct sh_dmae_chan *sh_chan, bool all); @@ -267,7 +266,7 @@ static struct sh_desc *sh_dmae_get_desc(struct sh_dmae_chan *sh_chan) } static struct sh_dmae_slave_config *sh_dmae_find_slave( - struct sh_dmae_chan *sh_chan, enum sh_dmae_slave_chan_id slave_id) + struct sh_dmae_chan *sh_chan, struct sh_dmae_slave *param) { struct dma_device *dma_dev = sh_chan->common.device; struct sh_dmae_device *shdev = container_of(dma_dev, @@ -275,11 +274,11 @@ static struct sh_dmae_slave_config *sh_dmae_find_slave( struct sh_dmae_pdata *pdata = shdev->pdata; int i; - if ((unsigned)slave_id >= SHDMA_SLAVE_NUMBER) + if (param->slave_id >= SH_DMA_SLAVE_NUMBER) return NULL; for (i = 0; i < pdata->slave_num; i++) - if (pdata->slave[i].slave_id == slave_id) + if (pdata->slave[i].slave_id == param->slave_id) return pdata->slave + i; return NULL; @@ -300,7 +299,7 @@ static int sh_dmae_alloc_chan_resources(struct dma_chan *chan) if (param) { struct sh_dmae_slave_config *cfg; - cfg = sh_dmae_find_slave(sh_chan, param->slave_id); + cfg = sh_dmae_find_slave(sh_chan, param); if (!cfg) return -EINVAL; @@ -795,7 +794,7 @@ static irqreturn_t sh_dmae_interrupt(int irq, void *data) return ret; } -#if defined(CONFIG_CPU_SH4) +#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE) static irqreturn_t sh_dmae_err(int irq, void *data) { struct sh_dmae_device *shdev = (struct sh_dmae_device *)data; @@ -1036,7 +1035,7 @@ static int __init sh_dmae_probe(struct platform_device *pdev) /* Default transfer size of 32 bytes requires 32-byte alignment */ shdev->common.copy_align = LOG2_DEFAULT_XFER_SIZE; -#if defined(CONFIG_CPU_SH4) +#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE) chanirq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 1); if (!chanirq_res) @@ -1061,7 +1060,7 @@ static int __init sh_dmae_probe(struct platform_device *pdev) #else chanirq_res = errirq_res; -#endif /* CONFIG_CPU_SH4 */ +#endif /* CONFIG_CPU_SH4 || CONFIG_ARCH_SHMOBILE */ if (chanirq_res->start == chanirq_res->end && !platform_get_resource(pdev, IORESOURCE_IRQ, 1)) { @@ -1108,7 +1107,7 @@ static int __init sh_dmae_probe(struct platform_device *pdev) chan_probe_err: sh_dmae_chan_remove(shdev); eirqres: -#if defined(CONFIG_CPU_SH4) +#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE) free_irq(errirq, shdev); eirq_err: #endif diff --git a/drivers/dma/shdma.h b/drivers/dma/shdma.h index 153609a..4021275 100644 --- a/drivers/dma/shdma.h +++ b/drivers/dma/shdma.h @@ -17,8 +17,8 @@ #include <linux/interrupt.h> #include <linux/list.h> -#include <asm/dmaengine.h> - +#define SH_DMAC_MAX_CHANNELS 6 +#define SH_DMA_SLAVE_NUMBER 256 #define SH_DMA_TCR_MAX 0x00FFFFFF /* 16MB */ struct device; |
