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path: root/drivers/usb/gadget/m66592-udc.c
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* usb: m66592-udc: Fixed bufnum of BulkYusuke Goda2011-02-251-1/+1
| | | | | | Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com> Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb gadget: don't save bind callback in struct usb_gadget_driverUwe Kleine-König2010-10-221-4/+5
| | | | | | | | | | | | | | | | | | | | | | To accomplish this the function to register a gadget driver takes the bind function as a second argument. To make things clearer rename the function to resemble platform_driver_probe. This fixes many section mismatches like WARNING: drivers/usb/gadget/g_printer.o(.data+0xc): Section mismatch in reference from the variable printer_driver to the function .init.text:printer_bind() The variable printer_driver references the function __init printer_bind() All callers are fixed. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> [m.nazarewicz@samsung.com: added dbgp] Signed-off-by: Michał Nazarewicz <m.nazarewicz@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: gadget: Return -ENOMEM on memory allocation failureJulia Lawall2010-08-231-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | In this code, 0 is returned on memory allocation failure, even though other failures return -ENOMEM or other similar values. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression ret; expression x,e1,e2,e3; @@ ret = 0 ... when != ret = e1 *x = \(kmalloc\|kcalloc\|kzalloc\)(...) ... when != ret = e2 if (x == NULL) { ... when != ret = e3 return ret; } // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* include cleanup: Update gfp.h and slab.h includes to prepare for breaking ↵Tejun Heo2010-03-301-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
* usb: gadget: m66592-udc needs linux/err.h.Paul Mundt2009-08-241-1/+1
| | | | | | | | | | | | | | | | | In certain configurations linux/err.h is not included through alternate means, resulting in: drivers/usb/gadget/m66592-udc.c:1646: error: implicit declaration of function 'IS_ERR' drivers/usb/gadget/m66592-udc.c:1649: error: implicit declaration of function 'PTR_ERR' distcc[15083] ERROR: compile drivers/usb/gadget/m66592-udc.c on localhost failed make[3]: *** [drivers/usb/gadget/m66592-udc.o] Error 1 make[2]: *** [drivers/usb/gadget] Error 2 make[1]: *** [drivers] Error 2 make: *** [sub-make] Error 2 Caught with an ARM config in -next. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* usb: m66592-udc platform data on_chip supportMagnus Damm2009-07-231-105/+147
| | | | | | | | | | | | | | | | | | | Convert the m66592-udc driver to use the on_chip flag from platform data to enable on chip behaviour instead of relying on CONFIG_SUPERH_BUILT_IN_M66592 ugliness. This makes the code cleaner and also allows us to support both external and internal m66592 with the same kernel. It also makes the Kconfig part more future proof since we with this patch can add support for new processors with on-chip m66592 without modifying the Kconfig. The patch adds a m66592 header file for platform data and ties in platform data to the existing m66592 devices. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* usb: m66592-udc buffer management updateMagnus Damm2009-07-051-22/+12
| | | | | | | | | | | | | | | | | | | This patch updates the m66592-udc buffer management code. Use fixed buffers for bulk and isochronous pipes, also make sure to handle the isochronous-as-bulk case. With fixed buffers there is no need to keep track of used buffers with bi_bufnum. Also, this fixes a potential buffer offset problem where the base offset incorrectly varies with the number of pipes used. With this patch applied it is possible to use m66592-udc for both Ethernet and Serial using CONFIG_USB_CDC_COMPOSITE. Signed-off-by: Magnus Damm <damm@igel.co.jp> Acked-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* USB: m66592 and r8a66597 resource changesMagnus Damm2009-01-071-6/+3
| | | | | | | | | | | Use the more common platform_get_resource() together with index instead of depending on the resource name and platform_get_resource_by_name(). Replace the resource_len() implementation with resource_size(). Signed-off-by: Magnus Damm <damm@igel.co.jp> Acked-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb: Fix up sh_mobile usbf clock framework warnings.Paul Mundt2008-12-221-1/+1
| | | | | | | | | | | | | drivers/usb/gadget/m66592-udc.c: In function 'm66592_probe': drivers/usb/gadget/m66592-udc.c:1672: warning: label 'clean_up2' defined but not used drivers/usb/host/r8a66597-hcd.c: In function 'r8a66597_probe': drivers/usb/host/r8a66597-hcd.c:2401: warning: label 'clean_up2' defined but not used Added by commit 985fc7c81c7852f2e104c71cbe913ace683c9e6a ("sh: sh_mobile usbf clock framework support"). Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: sh_mobile usbf clock framework supportMagnus Damm2008-12-221-9/+25
| | | | | | | | Add clock framework support to the usbf/m66592 driver and adjust the cpu specific code accordingly. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* USB: m66592-udc: Fix up dev_set_name() badness.Paul Mundt2008-07-301-1/+1
| | | | | | | | | | | | | Commit 0031a06e2f07ab0d1bc98c31dbb6801f95f4bf01 converted all of the USB drivers to use dev_set_name(), though there was a typo on the m66592-udc conversion that handed off the wrong pointer (we want the struct device here obviously, not the struct usb_gadget). Signed-off-by: Paul Mundt <lethal@linux-sh.org> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* USB: usb dev_set_name() instead of dev->bus_idKay Sievers2008-07-211-1/+1
| | | | | | | | | The bus_id field is going away, use the dev_set_name() function to set it properly. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* usb gadget: fix platform driver hotplug/coldplugKay Sievers2008-04-111-0/+2
| | | | | | | | | | | | | Since 43cc71eed1250755986da4c0f9898f9a635cb3bf, the platform modalias is prefixed with "platform:". Add MODULE_ALIAS() to the hotpluggable usb peripheral drivers, to re-eable module auto loading. [dbrownell@users.sourceforge.net: registration fixes] Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* USB: usb peripheral controller driver oops avoidancePatrik Sevallius2008-02-011-0/+1
| | | | | | | | | | | | | I'm having problem with oopses when rebooting, if I modprobe g_serial and rmmod g_serial and do a reboot I get an oops in device_shutdown(). The reason seems to be that usb_gadget_unregister_driver() doesn't do enough cleanup. With this at91_udc patch I don't get the oops. Signed-off-by: Patrik Sevallius <patrik.sevallius@enea.com> [ Same bug was in other peripheral controller drivers; fixed ] Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: gadget code switches to pr_err() and friendsDavid Brownell2008-02-011-24/+24
| | | | | | | | | | We now have pr_err(), pr_warning(), and friends ... start using them in the gadget stack instead of printk(KERN_ERR) and friends. This gives us shorter lines and somewhat increased readability. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: Add missing "space" to printk messagesJoe Perches2008-02-011-1/+1
| | | | | | | Signed-off-by: Joe Perches <joe@perches.com> Acked-by: David Brownell <david-b@pacbell.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: m66592-udc: Add support for SH7722 USBFYoshihiro Shimoda2008-02-011-1/+54
| | | | | | | | | | | | Add support for SuperH SH7722 USB Function. M66592 is similar to SH7722 USBF. It can support SH7722 USBF by changing several M66592 code. Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Acked-by: David Brownell <david-b@pacbell.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: move <linux/usb_gadget.h> to <linux/usb/gadget.h>David Brownell2007-10-121-1/+1
| | | | | | | | | Move <linux/usb_gadget.h> to <linux/usb/gadget.h>, reducing some of the clutter in the main include directory. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: "sparse" cleanups for usb gadgetsDavid Brownell2007-07-301-1/+1
| | | | | | | | | | This removes complaints about the gadget stack which are generated by the currrent "sparse": it doesn't like the fact that zero is the null pointer. (Last I checked, C guarantees that's correct ...) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: m66592-udc: fixes some problemsYoshihiro Shimoda2007-07-191-128/+127
| | | | | | | | | | | | | | | | | | | | | | This patch incorporates some updates from the review of the Renesas m66592-udc driver. Updates include: - Fix some locking bugs; and add a few sparse annotations - Don't #define __iomem ! - Lots of whitespace fixes (most of the patch by volume) - Some #include file trimmage - Other checkpatch.pl and sparse updates - Alphabetized and slightly-more-informative Kconfig - Don't use the ID which was assigned to the amd5536udc driver. - Remove pointless suspend/resume methods updating obsolete field. - Some section fixups - Fix some leak bugs - Fix byteswapping Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* minimal fixes for drivers/usb/gadget/m66592-udc.cAl Viro2007-07-151-23/+4
| | | | | | | still looks racy (and definitely leaks) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* USB: m66592-udc: fix use old interrupt flagsYoshihiro Shimoda2007-07-121-2/+2
| | | | | | | | This patch fixes the problem that used SA_* flags. Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* USB: m66592-udc: peripheral controller driver for M66592Yoshihiro Shimoda2007-07-121-0/+1653
I would like to submit Renesas M66592 udc driver. The M66592 is Renesas USB 2.0 peripheral controller. This controller supports USB high-speed. The driver has been tested Gadget Zero, Ethernet Gadget, File-backed Storage Gadget, and passed usbtest script. Signed-off-by : Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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