Now that all platforms using OMAP USB host devices have been converted
to DT, drop support for legacy non-DT probe from the driver.
Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
---
drivers/mfd/omap-usb-host.c | 153 +++------------------------------
include/linux/platform_data/usb-omap.h | 4 -
2 files changed, 13 insertions(+), 144 deletions(-)
diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
index b731026541f5..ce28e0fda55e 100644
--- a/drivers/mfd/omap-usb-host.c
+++ b/drivers/mfd/omap-usb-host.c
@@ -23,7 +23,6 @@
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/clk.h>
-#include <linux/dma-mapping.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/platform_data/usb-omap.h>
@@ -35,8 +34,6 @@
#include "omap-usb.h"
#define USBHS_DRIVER_NAME "usbhs_omap"
-#define OMAP_EHCI_DEVICE "ehci-omap"
-#define OMAP_OHCI_DEVICE "ohci-omap3"
/* OMAP USBHOST Register addresses */
@@ -115,7 +112,6 @@ struct usbhs_hcd_omap {
/*-------------------------------------------------------------------------*/
static const char usbhs_driver_name[] = USBHS_DRIVER_NAME;
-static u64 usbhs_dmamask = DMA_BIT_MASK(32);
/*-------------------------------------------------------------------------*/
@@ -153,119 +149,6 @@ static const char * const port_modes[] = {
[OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM] = "ohci-tll-2pin-dpdm",
};
-static struct platform_device *omap_usbhs_alloc_child(const char *name,
- struct resource *res, int num_resources, void *pdata,
- size_t pdata_size, struct device *dev)
-{
- struct platform_device *child;
- int ret;
-
- child = platform_device_alloc(name, 0);
-
- if (!child) {
- dev_err(dev, "platform_device_alloc %s failed\n", name);
- goto err_end;
- }
-
- ret = platform_device_add_resources(child, res, num_resources);
- if (ret) {
- dev_err(dev, "platform_device_add_resources failed\n");
- goto err_alloc;
- }
-
- ret = platform_device_add_data(child, pdata, pdata_size);
- if (ret) {
- dev_err(dev, "platform_device_add_data failed\n");
- goto err_alloc;
- }
-
- child->dev.dma_mask = &usbhs_dmamask;
- dma_set_coherent_mask(&child->dev, DMA_BIT_MASK(32));
- child->dev.parent = dev;
-
- ret = platform_device_add(child);
- if (ret) {
- dev_err(dev, "platform_device_add failed\n");
- goto err_alloc;
- }
-
- return child;
-
-err_alloc:
- platform_device_put(child);
-
-err_end:
- return NULL;
-}
-
-static int omap_usbhs_alloc_children(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct usbhs_omap_platform_data *pdata = dev_get_platdata(dev);
- struct platform_device *ehci;
- struct platform_device *ohci;
- struct resource *res;
- struct resource resources[2];
- int ret;
-
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ehci");
- if (!res) {
- dev_err(dev, "EHCI get resource IORESOURCE_MEM failed\n");
- ret = -ENODEV;
- goto err_end;
- }
- resources[0] = *res;
-
- res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "ehci-irq");
- if (!res) {
- dev_err(dev, " EHCI get resource IORESOURCE_IRQ failed\n");
- ret = -ENODEV;
- goto err_end;
- }
- resources[1] = *res;
-
- ehci = omap_usbhs_alloc_child(OMAP_EHCI_DEVICE, resources, 2, pdata,
- sizeof(*pdata), dev);
-
- if (!ehci) {
- dev_err(dev, "omap_usbhs_alloc_child failed\n");
- ret = -ENOMEM;
- goto err_end;
- }
-
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ohci");
- if (!res) {
- dev_err(dev, "OHCI get resource IORESOURCE_MEM failed\n");
- ret = -ENODEV;
- goto err_ehci;
- }
- resources[0] = *res;
-
- res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "ohci-irq");
- if (!res) {
- dev_err(dev, "OHCI get resource IORESOURCE_IRQ failed\n");
- ret = -ENODEV;
- goto err_ehci;
- }
- resources[1] = *res;
-
- ohci = omap_usbhs_alloc_child(OMAP_OHCI_DEVICE, resources, 2, pdata,
- sizeof(*pdata), dev);
- if (!ohci) {
- dev_err(dev, "omap_usbhs_alloc_child failed\n");
- ret = -ENOMEM;
- goto err_ehci;
- }
-
- return 0;
-
-err_ehci:
- platform_device_unregister(ehci);
-
-err_end:
- return ret;
-}
-
static bool is_ohci_port(enum usbhs_omap_port_mode pmode)
{
switch (pmode) {
@@ -541,31 +424,28 @@ static const struct of_device_id
usbhs_child_match_table[] = {
static int usbhs_omap_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct usbhs_omap_platform_data *pdata = dev_get_platdata(dev);
+ struct usbhs_omap_platform_data *pdata;
struct usbhs_hcd_omap *omap;
struct resource *res;
int ret = 0;
int i;
bool need_logic_fck;
- dev_info(&pdev->dev, "%s\n", __func__);
- if (dev->of_node) {
- /* For DT boot we populate platform data from OF node */
- pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
- if (!pdata)
- return -ENOMEM;
+ /* Populate platform data from OF node */
+ if (!dev->of_node) {
+ dev_err(dev, "Missing OF node\n");
+ return -ENODEV;
+ }
- ret = usbhs_omap_get_dt_pdata(dev, pdata);
- if (ret)
- return ret;
+ pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
+ if (!pdata)
+ return -ENOMEM;
- dev->platform_data = pdata;
- }
+ ret = usbhs_omap_get_dt_pdata(dev, pdata);
+ if (ret)
+ return ret;
- if (!pdata) {
- dev_err(dev, "Missing platform data\n");
- return -ENODEV;
- }
+ dev->platform_data = pdata;
if (pdata->nports > OMAP3_HS_USB_PORTS) {
dev_info(dev, "Too many num_ports <%d> in platform_data. Max
%d\n",
@@ -798,13 +678,6 @@ static int usbhs_omap_probe(struct platform_device *pdev)
goto err_mem;
}
- } else {
- ret = omap_usbhs_alloc_children(pdev);
- if (ret) {
- dev_err(dev, "omap_usbhs_alloc_children failed: %d\n",
- ret);
- goto err_mem;
- }
}
return 0;
diff --git a/include/linux/platform_data/usb-omap.h
b/include/linux/platform_data/usb-omap.h
index fa579b4c666b..c051da514dc5 100644
--- a/include/linux/platform_data/usb-omap.h
+++ b/include/linux/platform_data/usb-omap.h
@@ -38,10 +38,6 @@ enum usbhs_omap_port_mode {
OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM
};
-struct usbtll_omap_platform_data {
- enum usbhs_omap_port_mode port_mode[OMAP3_HS_USB_PORTS];
-};
-
struct ehci_hcd_omap_platform_data {
enum usbhs_omap_port_mode port_mode[OMAP3_HS_USB_PORTS];
int reset_gpio_port[OMAP3_HS_USB_PORTS];
--
Regards,
Laurent Pinchart
