<html><head></head><body>Could you use my USB test branch? <br>
-- <br>
Sent from my Android phone with K-9 Mail. Please excuse my brevity.<br><br><div class="gmail_quote">Marc Kleine-Budde <mkl@pengutronix.de> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre style="white-space: pre-wrap; word-wrap:break-word; font-family: monospace">On 06/25/2012 08:56 AM, Richard Zhao wrote:<br />> We use ida_simple_get and ida_simple_remove to manage the ids.<br />> <br />> Signed-off-by: Richard Zhao <richard.zhao@freescale.com><br />> Reviewed-by: Felipe Balbi <balbi@ti.com><br />> Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com><br /><br />Removing the "ci13xxx_imx" module doesn't work as expected:<br /><br />ci_hdrc ci_hdrc.0: remove, state 1<br />usb usb1: USB disconnect, device number 1<br />ci_hdrc ci_hdrc.0: USB bus 1 deregistered<br />Unable to handle kernel NULL pointer dereference at virtual address 0000006c<br />pgd = c6bb8000<br />[0000006c] *pgd=46a7e831, *pte=00000000, *ppte=00000000<br />Internal error: Oops: 17 [#1] PREEMPT ARM<br />Modules linked in: ci13xxx_imx(-) ci_hdrc<br />CPU: 0 Not tainted (3.5.0-rc4-00055-g35d73a8-dirty #80)<br />PC is at ida_remove+0xa0/0x110<br
/>LR is at ida_simple_remove+0x30/0x60<br />pc : [<c0154294>] lr : [<c01544f4>] psr: a0000093<br />sp : c6be3ed0 ip : 80000000 fp : 0092f008<br />r10: d9a22647 r9 : c6be2000 r8 : 08421085<br />r7 : 00000001 r6 : 0000034b r5 : bf00a3a8 r4 : 00000000<br />r3 : c087d6b0 r2 : 001bb89f r1 : 6b6b6b6b r0 : 00000068<br />Flags: NzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user<br />Control: 0005317f Table: 46bb8000 DAC: 00000015<br />Process rmmod (pid: 136, stack limit = 0xc6be2270)<br />Stack: (0xc6be3ed0 to 0xc6be4000)<br />3ec0: c6be2000 20000013 6b6b6b6b bf00a3a8<br />3ee0: c6be2000 c0009408 00000000 c01544f4 c6ad5430 c7865980 bf01562c bf01501c<br />3f00: bf015000 c7865988 bf01562c c018dad8 c018dac4 c018c5e0 bf01562c c7865988<br />3f20: c78659bc c018cdbc c6b78040 bf015680 bf01562c c0e670d0 0092f0b8 c018c438<br />3f40: bf015680 c6be2000 00000000 c004c56c c74ca308 33316963 5f787878 00786d69<br />3f60: 0092f008
c00a5088 c7812138 c6b5b388 00000000 c6b79860 c6b5b388 c0088648<br />3f80: 00000003 c6b79860 c6be2000 00088730 00002002 00000001 0092f088 be82fe5c<br />3fa0: 00000081 c0009260 00000001 0092f088 0092f0b8 00000800 b6eb865c be82fc00<br />3fc0: 00000001 0092f088 be82fe5c 00000081 0092f088 00000000 00000800 0092f008<br />3fe0: b6e7cbc0 be82fc04 b6ef65f8 b6e7cbcc 60000010 0092f0b8 00000000 00000000<br />[<c0154294>] (ida_remove+0xa0/0x110) from [<c01544f4>] (ida_simple_remove+0x30/0x60)<br />[<c01544f4>] (ida_simple_remove+0x30/0x60) from [<bf01501c>] (ci13xxx_imx_remove+0x1c/0x84 [ci13xxx_imx])<br />[<bf01501c>] (ci13xxx_imx_remove+0x1c/0x84 [ci13xxx_imx]) from [<c018dad8>] (platform_drv_remove+0x14/0x18)<br />[<c018dad8>] (platform_drv_remove+0x14/0x18) from [<c018c5e0>] (__device_release_driver+0x58/0xa8)<br />[<c018c5e0>] (__device_release_driver+0x58/0xa8) from [<c018cdbc>] (driver_detach+0xcc/0xd8)<br />[<c018cdbc>]
(driver_detach+0xcc/0xd8) from [<c018c438>] (bus_remove_driver+0x7c/0xc0)<br />[<c018c438>] (bus_remove_driver+0x7c/0xc0) from [<c004c56c>] (sys_delete_module+0x180/0x23c)<br />[<c004c56c>] (sys_delete_module+0x180/0x23c) from [<c0009260>] (ret_fast_syscall+0x0/0x2c)<br />Code: e0416286 e5904004 e1a002c6 e0840100 (e5908004)<br />---[ end trace 7d882a2086a6a3d8 ]---<br />note: rmmod[136] exited with preempt_count 1<br /><br />Marc<br />-- <br />Pengutronix e.K. | Marc Kleine-Budde |<br />Industrial Linux Solutions | Phone: +49-231-2826-924 |<br />Vertretung West/Dortmund | Fax: +49-5121-206917-5555 |<br />Amtsgericht Hildesheim, HRA 2686 | <a href="http://www.pengutronix.de">http://www.pengutronix.de</a> |<br /><br /></pre></blockquote></div></body></html>