On 11/12/2013 08:31, Jingoo Han :
Use devm_*() functions to make cleanup paths simpler.
Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
Jingoo,
Well, these modifications are already addressed by a series written by
Boris.
"[PATCH v5 0/3] usb: ohci-at91: various improvements"
Thanks for your patch anyway.
Best regards.
---
drivers/usb/host/ohci-at91.c | 52 +++++++++---------------------------------
1 file changed, 11 insertions(+), 41 deletions(-)
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 29d2093..8fb80b2 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -154,43 +154,36 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver,
hcd->rsrc_start = pdev->resource[0].start;
hcd->rsrc_len = resource_size(&pdev->resource[0]);
- if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
- pr_debug("request_mem_region failed\n");
- retval = -EBUSY;
+ hcd->regs = devm_ioremap_resource(&pdev->dev, &pdev->resource[0]);
+ if (IS_ERR(hcd->regs)) {
+ retval = PTR_ERR(hcd->regs);
goto err1;
}
- hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
- if (!hcd->regs) {
- pr_debug("ioremap failed\n");
- retval = -EIO;
- goto err2;
- }
-
- iclk = clk_get(&pdev->dev, "ohci_clk");
+ iclk = devm_clk_get(&pdev->dev, "ohci_clk");
if (IS_ERR(iclk)) {
dev_err(&pdev->dev, "failed to get ohci_clk\n");
retval = PTR_ERR(iclk);
- goto err3;
+ goto err1;
}
- fclk = clk_get(&pdev->dev, "uhpck");
+ fclk = devm_clk_get(&pdev->dev, "uhpck");
if (IS_ERR(fclk)) {
dev_err(&pdev->dev, "failed to get uhpck\n");
retval = PTR_ERR(fclk);
- goto err4;
+ goto err1;
}
- hclk = clk_get(&pdev->dev, "hclk");
+ hclk = devm_clk_get(&pdev->dev, "hclk");
if (IS_ERR(hclk)) {
dev_err(&pdev->dev, "failed to get hclk\n");
retval = PTR_ERR(hclk);
- goto err5;
+ goto err1;
}
if (IS_ENABLED(CONFIG_COMMON_CLK)) {
- uclk = clk_get(&pdev->dev, "usb_clk");
+ uclk = devm_clk_get(&pdev->dev, "usb_clk");
if (IS_ERR(uclk)) {
dev_err(&pdev->dev, "failed to get uclk\n");
retval = PTR_ERR(uclk);
- goto err6;
+ goto err1;
}
}
@@ -208,21 +201,6 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver,
/* Error handling */
at91_stop_hc(pdev);
- if (IS_ENABLED(CONFIG_COMMON_CLK))
- clk_put(uclk);
- err6:
- clk_put(hclk);
- err5:
- clk_put(fclk);
- err4:
- clk_put(iclk);
-
- err3:
- iounmap(hcd->regs);
-
- err2:
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-
err1:
usb_put_hcd(hcd);
return retval;
@@ -246,15 +224,7 @@ static void usb_hcd_at91_remove(struct usb_hcd *hcd,
{
usb_remove_hcd(hcd);
at91_stop_hc(pdev);
- iounmap(hcd->regs);
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
usb_put_hcd(hcd);
-
- if (IS_ENABLED(CONFIG_COMMON_CLK))
- clk_put(uclk);
- clk_put(hclk);
- clk_put(fclk);
- clk_put(iclk);
fclk = iclk = hclk = NULL;
}
--
Nicolas Ferre
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