On Fri, Sep 12, 2008 at 08:50:33PM +0300, Felipe Balbi wrote:
> On Fri, Sep 12, 2008 at 09:32:56AM -0700, David Brownell wrote:
> > On Friday 12 September 2008, Felipe Balbi wrote:
> > > - hcd->regs = (void __iomem *) (int) IO_ADDRESS(hcd->rsrc_start);
> > > + hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
> >
> > This is missing its sibling iounmap() ...
>
> God... thanks Dave. Good catch. Patch coming soonish.
Here's the updated version. While at it, I'll send another patch getting
rid of some other mistakes during probe.
===== cut here ====
>From 818dc8ebd261cdc59670fe1580248ad47f18a1de Mon Sep 17 00:00:00 2001
From: Felipe Balbi <[EMAIL PROTECTED]>
Date: Fri, 12 Sep 2008 21:07:09 +0300
Subject: [PATCH] omap: usb: ehci: fix usb of hcd->regs
hcd->regs should be initialized by ioremaping hcd->rsrc_start and
hcd->rsrc_len. Fix it for ehci-omap.c.
Signed-off-by: Felipe Balbi <[EMAIL PROTECTED]>
---
drivers/usb/host/ehci-omap.c | 10 ++++++++--
1 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c
index 8f122e5..fff4195 100644
--- a/drivers/usb/host/ehci-omap.c
+++ b/drivers/usb/host/ehci-omap.c
@@ -438,7 +438,11 @@ static int ehci_hcd_omap_drv_probe(struct platform_device
*dev)
hcd->rsrc_start = dev->resource[0].start;
hcd->rsrc_len = dev->resource[0].end - dev->resource[0].start + 1;
- hcd->regs = (void __iomem *) (int) IO_ADDRESS(hcd->rsrc_start);
+ hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
+ if (!hcd->regs) {
+ dev_err(&dev->dev, "ioremap failed\n");
+ return -ENOMEM;
+ }
ehci = hcd_to_ehci(hcd);
ehci->caps = hcd->regs;
@@ -457,8 +461,9 @@ static int ehci_hcd_omap_drv_probe(struct platform_device
*dev)
dev_dbg(hcd->self.controller, "ERR: add_hcd");
omap_stop_ehc(dev, hcd);
-
+ iounmap(hcd->regs);
usb_put_hcd(hcd);
+
return retval;
}
@@ -483,6 +488,7 @@ static int ehci_hcd_omap_drv_remove(struct platform_device
*dev)
dev_dbg(&dev->dev, "ehci_hcd_omap_drv_remove()");
+ iounmap(hcd->regs);
usb_remove_hcd(hcd);
usb_put_hcd(hcd);
omap_stop_ehc(dev, hcd);
--
1.6.0.1.196.g01914
--
balbi
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