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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-18 02:43:52 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-18 02:43:52 +0400
commit0cfd81031a26717fe14380d18275f8e217571615 (patch)
tree78a84e4cb97e7f45eb77dc0fbd8857a5dd717869 /drivers/usb/musb/musb_core.c
parentf7ea4a4ba84f382e8eb143e435551de0feee5b4b (diff)
parent802f389a2cc6e2771b8de915ac241456d41eb79e (diff)
downloadlinux-0cfd81031a26717fe14380d18275f8e217571615.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (94 commits) USB: remove err() macro from more usb drivers USB: remove err() macro from usb misc drivers USB: remove err() macro from usb core code USB: remove err() macro from usb class drivers USB: remove use of err() in drivers/usb/serial USB: remove info() macro from usb mtd drivers USB: remove info() macro from usb input drivers USB: remove info() macro from usb network drivers USB: remove info() macro from remaining usb drivers USB: remove info() macro from usb/misc drivers USB: remove info() macro from usb/serial drivers USB: remove warn macro from HID core USB: remove warn() macro from usb drivers USB: remove warn() macro from usb net drivers USB: remove warn() macro from usb media drivers USB: remove warn() macro from usb input drivers usb/fsl_qe_udc: clear data toggle on clear halt request usb/fsl_qe_udc: fix response to get status request fsl_usb2_udc: Fix oops on probe failure. fsl_usb2_udc: Add a wmb before priming endpoint. ...
Diffstat (limited to 'drivers/usb/musb/musb_core.c')
-rw-r--r--drivers/usb/musb/musb_core.c41
1 files changed, 26 insertions, 15 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 128e949db47c..4a35745b30be 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -82,9 +82,9 @@
/*
* This gets many kinds of configuration information:
* - Kconfig for everything user-configurable
- * - <asm/arch/hdrc_cnf.h> for SOC or family details
* - platform_device for addressing, irq, and platform_data
* - platform_data is mostly for board-specific informarion
+ * (plus recentrly, SOC or family details)
*
* Most of the conditional compilation will (someday) vanish.
*/
@@ -974,9 +974,9 @@ static void musb_shutdown(struct platform_device *pdev)
/*
* The silicon either has hard-wired endpoint configurations, or else
* "dynamic fifo" sizing. The driver has support for both, though at this
- * writing only the dynamic sizing is very well tested. We use normal
- * idioms to so both modes are compile-tested, but dead code elimination
- * leaves only the relevant one in the object file.
+ * writing only the dynamic sizing is very well tested. Since we switched
+ * away from compile-time hardware parameters, we can no longer rely on
+ * dead code elimination to leave only the relevant one in the object file.
*
* We don't currently use dynamic fifo setup capability to do anything
* more than selecting one of a bunch of predefined configurations.
@@ -1806,6 +1806,7 @@ allocate_instance(struct device *dev,
musb->ctrl_base = mbase;
musb->nIrq = -ENODEV;
musb->config = config;
+ BUG_ON(musb->config->num_eps > MUSB_C_NUM_EPS);
for (epnum = 0, ep = musb->endpoints;
epnum < musb->config->num_eps;
epnum++, ep++) {
@@ -2054,15 +2055,6 @@ bad_config:
}
- return 0;
-
-fail:
- if (musb->clock)
- clk_put(musb->clock);
- device_init_wakeup(dev, 0);
- musb_free(musb);
- return status;
-
#ifdef CONFIG_SYSFS
status = device_create_file(dev, &dev_attr_mode);
status = device_create_file(dev, &dev_attr_vbus);
@@ -2071,12 +2063,31 @@ fail:
#endif /* CONFIG_USB_GADGET_MUSB_HDRC */
status = 0;
#endif
+ if (status)
+ goto fail2;
- return status;
+ return 0;
fail2:
+#ifdef CONFIG_SYSFS
+ device_remove_file(musb->controller, &dev_attr_mode);
+ device_remove_file(musb->controller, &dev_attr_vbus);
+#ifdef CONFIG_USB_MUSB_OTG
+ device_remove_file(musb->controller, &dev_attr_srp);
+#endif
+#endif
musb_platform_exit(musb);
- goto fail;
+fail:
+ dev_err(musb->controller,
+ "musb_init_controller failed with status %d\n", status);
+
+ if (musb->clock)
+ clk_put(musb->clock);
+ device_init_wakeup(dev, 0);
+ musb_free(musb);
+
+ return status;
+
}
/*-------------------------------------------------------------------------*/