On Friday, February 14, 2014 6:11 AM, Dinh Nguyen wrote:
>
> From: Dinh Nguyen <[email protected]>
>
> Hello,
>
> This patch series combines the dwc2 host driver and the s3c-hsotg peripheral
> driver into a single dual-roler driver similar to the dwc3.
>
> The patch series moves the s3c-hsotg files into the /dwc2 folder, so this is
> the final location of the driver. When the driver is built as a kernel module,
> it will be dwc2.ko and dwc2_platform.ko.
>
> patch 1/7 : Edit the defines in dwc2/hw.h so that the s3c-hsotg driver can use
> the defines in hw.h. So we can remove s3c-hsotg.h in a subsequent
> patch.
> patch 2/7 : Moves the s3c-hsotg driver into /dwc2 folder. Building the
> s3c-hsotg
> driver will now be a Kconfig option under DWC2. Also replaces the
> s3c-hsotg.h header file for dwc2/hw.h.
> patch 3/7 : Moves the s3c-hsotg data structure into a common place, core.h, so
> that final DRD can use it.
> patch 4/7 : Add the gadget data structure to a common data structure,
> dwc2_hsotg, which is the data structure that will encapsulate host
> and peripheral modes for the final DRD. The bulk for this patch
> is edits the in s3c-hsotg.c to reference the new data structure.
> patch 5/7 : Replaces the s3c_hostg_irq handler with the
> dwc2_handle_common_intr
> in dwc2. Updates the dwc2 IRQ routines to call the s3c-hsotg
> gadget
> functions for peripheral mode.
> patch 6/7 : Update the Kconfig and Makefile to enable building of the single
> DRD. At this stage the the driver is behaving as a dual-role
> driver.
> patch 7/7 : Decouple host/peripheral functionality when buildling the driver
> in
> host or peripheral mode only.
>
> This patchset is based on 3.14-rc2. I have only tested on the SOCFPGA platform
> which has v2.93a of dual-role IP.
>
> Thanks,
>
> Dinh Nguyen (7):
> usb: dwc2: Add defines to support the s3c-hsotg driver
> usb: s3c-hsotg: Move s3c-hsotg into dwc2 folder
> usb: s3c-hsotg: Move s3c-hsotg data structures
> usb: dwc2: Add the s3c-hsotg data structures to main dwc2_hsotg data
> structure
> usb: dwc2: combine the dwc2 and s3c_hsotg to use a single IRQ handler
> usb: dwc2: Enable the dwc2/s3c-hsotg to be a single dual-role driver
> usb: dwc2: Split out the dwc2/sc3-hsotg driver mode's build
> dependency
Hi Dinh Nguyen,
I tested these patches with Exynos4210 board based-on
the latest usb tree. (commit e8fcbb6 "usb/misc/usbled: Add
Riso Kagaku Webmail Notifier")
However, when installing g_mass_storage.ko module, kernel oops
happens as below.
Current config setting: based-on exynos_defconfig
CONFIG_USB_DWC2=y
CONFIG_USB_S3C_HSOTG=y
[root@Samsung tmp]# insmod g_mass_storage.ko file=./gadgetdisk
[ 302.470000] Number of LUNs=8
[ 302.470000] Mass Storage Function, version: 2009/09/11
[ 302.470000] LUN: removable file: (no medium)
[ 302.475000] Number of LUNs=1
[ 302.480000] LUN: file: /tmp/gadgetdisk
[ 302.480000] Number of LUNs=1
[ 302.485000] g_mass_storage gadget: Mass Storage Gadget, version: 2009/09/11
[ 302.490000] g_mass_storage gadget: userspace failed to provide iSerialNumber
[ 302.500000] g_mass_storage gadget: g_mass_storage ready
[ 302.505000] Unable to handle kernel paging request at virtual address
0a736749
[ 302.510000] pgd = c1224000
[ 302.515000] [0a736749] *pgd=00000000
[ 302.515000] Internal error: Oops: 5 [#1] PREEMPT SMP ARM
[ 302.515000] Modules linked in: g_mass_storage(+) usb_f_mass_storage
libcomposite configfs
[ 302.515000] CPU: 0 PID: 1265 Comm: insmod Not tainted
3.14.0-rc1-00039-g151dc85 #53
[ 302.515000] task: eebe8000 ti: ee1e2000 task.ti: ee1e2000
[ 302.515000] PC is at s3c_hsotg_udc_start+0x58/0x144
[ 302.515000] LR is at udc_bind_to_driver+0x84/0xd0
[ 302.515000] pc : [<c027ecc0>] lr : [<c028e920>] psr: 60000013
[ 302.515000] sp : ee1e3df8 ip : 00000000 fp : 00000000
[ 302.515000] r10: 00000001 r9 : ee1e2000 r8 : bf02b1dc
[ 302.515000] r7 : 00000001 r6 : 00000000 r5 : bf029458 r4 : c10e4080
[ 302.515000] r3 : 0a73666d r2 : 00000000 r1 : ee9e5890 r0 : 00000002
[ 302.515000] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
[ 302.515000] Control: 10c5387d Table: 4122404a DAC: 00000015
[ 302.515000] Process insmod (pid: 1265, stack limit = 0xee1e2240)
[ 302.515000] Stack: (0xee1e3df8 to 0xee1e4000)
[ 302.515000] 3de0:
c027ec68 eeb3e400
[ 302.515000] 3e00: bf029458 00000000 00000001 c028e920 bf029458 c05287a0
bf0294b4 c028e9d8
[ 302.515000] 3e20: 00000000 ee1e3f58 bf0294c0 c0008854 edfe7700 8040003f
ef615580 00000001
[ 302.515000] 3e40: 00000000 00000001 c043eff8 8040003f ef615560 40000000
2ead4000 c00add3c
[ 302.515000] 3e60: ef615560 c00a2fb8 00000000 8040003f 2ead4000 c00add3c
00000001 c00743a8
[ 302.515000] 3e80: c0071bf4 ee1e3f58 bf0294c0 bf0294b4 00000001 c1223040
c0071bf4 00000001
[ 302.515000] 3ea0: bf0294fc c00743dc bf0294c0 00007fff c0071e84 f0281000
c0007c10 00000000
[ 302.515000] 3ec0: c0071c4c bf0295fc bf0294c0 ee1e2000 00000000 bf0294c0
ffffffff 000000d2
[ 302.515000] 3ee0: ee1e2000 00000000 00000000 c00a2b7c ee1e2000 00000000
00000000 00000000
[ 302.515000] 3f00: 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000
[ 302.515000] 3f20: 00000000 00000000 00000000 00000000 000000d2 0001959d
000b0028 000b0008
[ 302.515000] 3f40: 00000080 c000e664 ee1e2000 00000000 00000000 c0074afc
f0267000 0001959d
[ 302.515000] 3f60: f02795f8 f0279455 f027fcc8 0000062c 00000a2c 00000000
00000000 00000000
[ 302.515000] 3f80: 0000002b 0000002c 00000013 00000000 0000000a 00000000
00000000 00000000
[ 302.515000] 3fa0: 0001959d c000e4e0 00000000 00000000 000b0028 0001959d
000b0008 bec63c51
[ 302.515000] 3fc0: 00000000 00000000 0001959d 00000080 bec63c3f 00097c78
0009a694 00000000
[ 302.515000] 3fe0: bec63968 bec63958 00046714 b6e2c780 60000010 000b0028
00000000 00000000
[ 302.515000] [<c027ecc0>] (s3c_hsotg_udc_start) from [<c028e920>]
(udc_bind_to_driver+0x84/0xd0)
[ 302.515000] [<c028e920>] (udc_bind_to_driver) from [<c028e9d8>]
(usb_gadget_probe_driver+0x6c/0xa0)
[ 302.515000] [<c028e9d8>] (usb_gadget_probe_driver) from [<c0008854>]
(do_one_initcall+0xe4/0x140)
[ 302.515000] [<c0008854>] (do_one_initcall) from [<c00743dc>]
(load_module+0x169c/0x1ce4)
[ 302.515000] [<c00743dc>] (load_module) from [<c0074afc>]
(SyS_init_module+0xd8/0xec)
[ 302.515000] [<c0074afc>] (SyS_init_module) from [<c000e4e0>]
(ret_fast_syscall+0x0/0x30)
[ 302.515000] Code: e5143070 e3a00002 e5845168 e5141008 (e59330dc)
[ 302.800000] ---[ end trace 88559040f8f26448 ]---
Best regards,
Jingoo Han
>
> drivers/usb/dwc2/Kconfig | 28 +
> drivers/usb/dwc2/Makefile | 17 +-
> drivers/usb/dwc2/core.c | 1 +
> drivers/usb/dwc2/core.h | 225 +++-
> drivers/usb/dwc2/core_intr.c | 108 +-
> drivers/usb/dwc2/hcd.c | 7 +-
> drivers/usb/dwc2/hcd.h | 23 +-
> drivers/usb/dwc2/hw.h | 23 +-
> drivers/usb/dwc2/platform.c | 50 +-
> drivers/usb/{gadget => dwc2}/s3c-hsotg.c | 1807
> +++++++++++-------------------
> drivers/usb/gadget/Kconfig | 7 -
> drivers/usb/gadget/Makefile | 1 -
> drivers/usb/gadget/s3c-hsotg.h | 378 -------
> 13 files changed, 1128 insertions(+), 1547 deletions(-)
> rename drivers/usb/{gadget => dwc2}/s3c-hsotg.c (57%)
> delete mode 100644 drivers/usb/gadget/s3c-hsotg.h
> ---
> Cc: Greg Kroah-Hartman <[email protected]>
> Cc: Paul Zimmerman <[email protected]>
> Cc: Felipe Balbi <[email protected]>
> Cc: Ben Dooks <[email protected]>
> Cc: Matt Porter <[email protected]>
> Cc: Kukjin Kim <[email protected]>
> Cc: Stephen Warren <[email protected]>
> Cc: Matthijs Kooijman <[email protected]>
> Cc: Jingoo Han <[email protected]>
> Cc: Sachin Kamat <[email protected]>
> Cc: Robert Baldyga <[email protected]>
>
> --
> 1.7.9.5
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