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authorRob Herring <robh@kernel.org>2021-12-16 00:07:56 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-12-17 17:00:45 +0100
commit9879c81b680795b45a11894e48dfa9e4be2f4426 (patch)
treeab95ea626939710941c6c71e01c0113dd4d162fd /drivers/usb
parentusb: host: ohci-omap: propagate errors from platform_get_irq() (diff)
downloadlinux-9879c81b680795b45a11894e48dfa9e4be2f4426.tar.xz
linux-9879c81b680795b45a11894e48dfa9e4be2f4426.zip
usb: musb: Drop unneeded resource copying
The platform device resources are copied by the driver core, so there is no need for the caller to do it when creating a platform device. Just pass the parent resources to the child device directly. Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20211215230756.2009115-2-robh@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/musb/da8xx.c18
-rw-r--r--drivers/usb/musb/omap2430.c22
-rw-r--r--drivers/usb/musb/ux500.c17
3 files changed, 4 insertions, 53 deletions
diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
index 1c023c0091c4..e4e0195131da 100644
--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
@@ -505,7 +505,6 @@ static struct of_dev_auxdata da8xx_auxdata_lookup[] = {
static int da8xx_probe(struct platform_device *pdev)
{
- struct resource musb_resources[2];
struct musb_hdrc_platform_data *pdata = dev_get_platdata(&pdev->dev);
struct da8xx_glue *glue;
struct platform_device_info pinfo;
@@ -558,23 +557,10 @@ static int da8xx_probe(struct platform_device *pdev)
if (ret)
return ret;
- memset(musb_resources, 0x00, sizeof(*musb_resources) *
- ARRAY_SIZE(musb_resources));
-
- musb_resources[0].name = pdev->resource[0].name;
- musb_resources[0].start = pdev->resource[0].start;
- musb_resources[0].end = pdev->resource[0].end;
- musb_resources[0].flags = pdev->resource[0].flags;
-
- musb_resources[1].name = pdev->resource[1].name;
- musb_resources[1].start = pdev->resource[1].start;
- musb_resources[1].end = pdev->resource[1].end;
- musb_resources[1].flags = pdev->resource[1].flags;
-
pinfo = da8xx_dev_info;
pinfo.parent = &pdev->dev;
- pinfo.res = musb_resources;
- pinfo.num_res = ARRAY_SIZE(musb_resources);
+ pinfo.res = pdev->resource;
+ pinfo.num_res = pdev->num_resources;
pinfo.data = pdata;
pinfo.size_data = sizeof(*pdata);
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index f086960fe2b5..d2b7e613eb34 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -301,7 +301,6 @@ static u64 omap2430_dmamask = DMA_BIT_MASK(32);
static int omap2430_probe(struct platform_device *pdev)
{
- struct resource musb_resources[3];
struct musb_hdrc_platform_data *pdata = dev_get_platdata(&pdev->dev);
struct omap_musb_board_data *data;
struct platform_device *musb;
@@ -383,26 +382,7 @@ static int omap2430_probe(struct platform_device *pdev)
INIT_WORK(&glue->omap_musb_mailbox_work, omap_musb_mailbox_work);
- memset(musb_resources, 0x00, sizeof(*musb_resources) *
- ARRAY_SIZE(musb_resources));
-
- musb_resources[0].name = pdev->resource[0].name;
- musb_resources[0].start = pdev->resource[0].start;
- musb_resources[0].end = pdev->resource[0].end;
- musb_resources[0].flags = pdev->resource[0].flags;
-
- musb_resources[1].name = pdev->resource[1].name;
- musb_resources[1].start = pdev->resource[1].start;
- musb_resources[1].end = pdev->resource[1].end;
- musb_resources[1].flags = pdev->resource[1].flags;
-
- musb_resources[2].name = pdev->resource[2].name;
- musb_resources[2].start = pdev->resource[2].start;
- musb_resources[2].end = pdev->resource[2].end;
- musb_resources[2].flags = pdev->resource[2].flags;
-
- ret = platform_device_add_resources(musb, musb_resources,
- ARRAY_SIZE(musb_resources));
+ ret = platform_device_add_resources(musb, pdev->resource, pdev->num_resources);
if (ret) {
dev_err(&pdev->dev, "failed to add resources\n");
goto err2;
diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c
index 73538d1d0524..9bce19b5ffd7 100644
--- a/drivers/usb/musb/ux500.c
+++ b/drivers/usb/musb/ux500.c
@@ -216,7 +216,6 @@ ux500_of_probe(struct platform_device *pdev, struct device_node *np)
static int ux500_probe(struct platform_device *pdev)
{
- struct resource musb_resources[2];
struct musb_hdrc_platform_data *pdata = dev_get_platdata(&pdev->dev);
struct device_node *np = pdev->dev.of_node;
struct platform_device *musb;
@@ -273,21 +272,7 @@ static int ux500_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, glue);
- memset(musb_resources, 0x00, sizeof(*musb_resources) *
- ARRAY_SIZE(musb_resources));
-
- musb_resources[0].name = pdev->resource[0].name;
- musb_resources[0].start = pdev->resource[0].start;
- musb_resources[0].end = pdev->resource[0].end;
- musb_resources[0].flags = pdev->resource[0].flags;
-
- musb_resources[1].name = pdev->resource[1].name;
- musb_resources[1].start = pdev->resource[1].start;
- musb_resources[1].end = pdev->resource[1].end;
- musb_resources[1].flags = pdev->resource[1].flags;
-
- ret = platform_device_add_resources(musb, musb_resources,
- ARRAY_SIZE(musb_resources));
+ ret = platform_device_add_resources(musb, pdev->resource, pdev->num_resources);
if (ret) {
dev_err(&pdev->dev, "failed to add resources\n");
goto err2;