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path: root/drivers/soc/ti/k3-ringacc.c
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Diffstat (limited to 'drivers/soc/ti/k3-ringacc.c')
-rw-r--r--drivers/soc/ti/k3-ringacc.c31
1 files changed, 11 insertions, 20 deletions
diff --git a/drivers/soc/ti/k3-ringacc.c b/drivers/soc/ti/k3-ringacc.c
index 8f131368a758..148f54d9691d 100644
--- a/drivers/soc/ti/k3-ringacc.c
+++ b/drivers/soc/ti/k3-ringacc.c
@@ -9,7 +9,6 @@
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of.h>
-#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/sys_soc.h>
#include <linux/dma/ti-cppi5.h>
@@ -125,6 +124,7 @@ struct k3_ring_ops {
* @occ: Occupancy
* @windex: Write index
* @rindex: Read index
+ * @tdown_complete: Tear down complete state
*/
struct k3_ring_state {
u32 free;
@@ -192,7 +192,7 @@ struct k3_ringacc_ops {
* @num_rings: number of ring in RA
* @rings_inuse: bitfield for ring usage tracking
* @rm_gp_range: general purpose rings range from tisci
- * @dma_ring_reset_quirk: DMA reset w/a enable
+ * @dma_ring_reset_quirk: DMA reset workaround enable
* @num_proxies: number of RA proxies
* @proxy_inuse: bitfield for proxy usage tracking
* @rings: array of rings descriptors (struct @k3_ring)
@@ -229,9 +229,9 @@ struct k3_ringacc {
};
/**
- * struct k3_ringacc - Rings accelerator SoC data
+ * struct k3_ringacc_soc_data - Rings accelerator SoC data
*
- * @dma_ring_reset_quirk: DMA reset w/a enable
+ * @dma_ring_reset_quirk: DMA reset workaround enable
*/
struct k3_ringacc_soc_data {
unsigned dma_ring_reset_quirk:1;
@@ -1368,15 +1368,12 @@ static int k3_ringacc_init(struct platform_device *pdev,
const struct soc_device_attribute *soc;
void __iomem *base_fifo, *base_rt;
struct device *dev = &pdev->dev;
- struct resource *res;
int ret, i;
dev->msi.domain = of_msi_get_domain(dev, dev->of_node,
DOMAIN_BUS_TI_SCI_INTA_MSI);
- if (!dev->msi.domain) {
- dev_err(dev, "Failed to get MSI domain\n");
+ if (!dev->msi.domain)
return -EPROBE_DEFER;
- }
ret = k3_ringacc_probe_dt(ringacc);
if (ret)
@@ -1389,24 +1386,20 @@ static int k3_ringacc_init(struct platform_device *pdev,
ringacc->dma_ring_reset_quirk = soc_data->dma_ring_reset_quirk;
}
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rt");
- base_rt = devm_ioremap_resource(dev, res);
+ base_rt = devm_platform_ioremap_resource_byname(pdev, "rt");
if (IS_ERR(base_rt))
return PTR_ERR(base_rt);
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "fifos");
- base_fifo = devm_ioremap_resource(dev, res);
+ base_fifo = devm_platform_ioremap_resource_byname(pdev, "fifos");
if (IS_ERR(base_fifo))
return PTR_ERR(base_fifo);
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "proxy_gcfg");
- ringacc->proxy_gcfg = devm_ioremap_resource(dev, res);
+ ringacc->proxy_gcfg = devm_platform_ioremap_resource_byname(pdev, "proxy_gcfg");
if (IS_ERR(ringacc->proxy_gcfg))
return PTR_ERR(ringacc->proxy_gcfg);
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
- "proxy_target");
- ringacc->proxy_target_base = devm_ioremap_resource(dev, res);
+ ringacc->proxy_target_base = devm_platform_ioremap_resource_byname(pdev,
+ "proxy_target");
if (IS_ERR(ringacc->proxy_target_base))
return PTR_ERR(ringacc->proxy_target_base);
@@ -1473,7 +1466,6 @@ struct k3_ringacc *k3_ringacc_dmarings_init(struct platform_device *pdev,
struct device *dev = &pdev->dev;
struct k3_ringacc *ringacc;
void __iomem *base_rt;
- struct resource *res;
int i;
ringacc = devm_kzalloc(dev, sizeof(*ringacc), GFP_KERNEL);
@@ -1488,8 +1480,7 @@ struct k3_ringacc *k3_ringacc_dmarings_init(struct platform_device *pdev,
mutex_init(&ringacc->req_lock);
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ringrt");
- base_rt = devm_ioremap_resource(dev, res);
+ base_rt = devm_platform_ioremap_resource_byname(pdev, "ringrt");
if (IS_ERR(base_rt))
return ERR_CAST(base_rt);