@@ -1,3 +1,5 @@
obj-$(CONFIG_SH_DMAE_BASE) += shdma-base.o shdma-of.o
obj-$(CONFIG_SH_DMAE) += shdma.o
+shdma-y := shdmac.o
+shdma-objs := $(shdma-y)
obj-$(CONFIG_SUDMAC) += sudmac.o
similarity index 98%
rename from drivers/dma/sh/shdma.c
rename to drivers/dma/sh/shdmac.c
@@ -665,7 +665,7 @@ static const struct shdma_ops sh_dmae_shdma_ops = {
static int sh_dmae_probe(struct platform_device *pdev)
{
- struct sh_dmae_pdata *pdata = pdev->dev.platform_data;
+ struct sh_dmae_pdata *pdata;
unsigned long irqflags = IRQF_DISABLED,
chan_flag[SH_DMAE_MAX_CHANNELS] = {};
int errirq, chan_irq[SH_DMAE_MAX_CHANNELS];
@@ -674,6 +674,8 @@ static int sh_dmae_probe(struct platform_device *pdev)
struct dma_device *dma_dev;
struct resource *chan, *dmars, *errirq_res, *chanirq_res;
+ pdata = (void *)pdev->id_entry->driver_data ? : pdev->dev.platform_data;
+
/* get platform data */
if (!pdata || !pdata->channel_num)
return -ENODEV;
@@ -903,6 +905,12 @@ static const struct of_device_id sh_dmae_of_match[] = {
};
MODULE_DEVICE_TABLE(of, sh_dmae_of_match);
+const struct platform_device_id sh_dmae_id_table[] = {
+ {.name = SH_DMAE_DRV_NAME,},
+ {}
+};
+MODULE_DEVICE_TABLE(platform, sh_dmae_id_table);
+
static struct platform_driver sh_dmae_driver = {
.driver = {
.owner = THIS_MODULE,
@@ -912,6 +920,7 @@ static struct platform_driver sh_dmae_driver = {
},
.remove = sh_dmae_remove,
.shutdown = sh_dmae_shutdown,
+ .id_table = sh_dmae_id_table,
};
static int __init sh_dmae_init(void)
This is going to facilitate DT support by eliminating the need in AUXDATA and avoiding creating complex DT data. This also fits well with DMAC devices, because SoCs with them often have multiple identical DMAC instances and it is perfectly valid to use a single configuration data set for all of them. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com> --- drivers/dma/sh/Makefile | 2 ++ drivers/dma/sh/{shdma.c => shdmac.c} | 11 ++++++++++- 2 files changed, 12 insertions(+), 1 deletions(-) rename drivers/dma/sh/{shdma.c => shdmac.c} (98%)