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path: root/include/dt-bindings/clock/r8a7740-clock.h
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/*
 * Copyright 2014 Ulrich Hecht
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#ifndef __DT_BINDINGS_CLOCK_R8A7740_H__
#define __DT_BINDINGS_CLOCK_R8A7740_H__

/* CPG */
#define R8A7740_CLK_SYSTEM	0
#define R8A7740_CLK_PLLC0	1
#define R8A7740_CLK_PLLC1	2
#define R8A7740_CLK_PLLC2	3
#define R8A7740_CLK_R		4
#define R8A7740_CLK_USB24S	5
#define R8A7740_CLK_I		6
#define R8A7740_CLK_ZG		7
#define R8A7740_CLK_B		8
#define R8A7740_CLK_M1		9
#define R8A7740_CLK_HP		10
#define R8A7740_CLK_HPP		11
#define R8A7740_CLK_USBP	12
#define R8A7740_CLK_S		13
#define R8A7740_CLK_ZB		14
#define R8A7740_CLK_M3		15
#define R8A7740_CLK_CP		16

/* MSTP1 */
#define R8A7740_CLK_CEU21	28
#define R8A7740_CLK_CEU20	27
#define R8A7740_CLK_TMU0	25
#define R8A7740_CLK_LCDC1	17
#define R8A7740_CLK_IIC0	16
#define R8A7740_CLK_TMU1	11
#define R8A7740_CLK_LCDC0	0

/* MSTP2 */
#define R8A7740_CLK_SCIFA6	30
#define R8A7740_CLK_INTCA	29
#define R8A7740_CLK_SCIFA7	22
#define R8A7740_CLK_DMAC1	18
#define R8A7740_CLK_DMAC2	17
#define R8A7740_CLK_DMAC3	16
#define R8A7740_CLK_USBDMAC	14
#define R8A7740_CLK_SCIFA5	7
#define R8A7740_CLK_SCIFB	6
#define R8A7740_CLK_SCIFA0	4
#define R8A7740_CLK_SCIFA1	3
#define R8A7740_CLK_SCIFA2	2
#define R8A7740_CLK_SCIFA3	1
#define R8A7740_CLK_SCIFA4	0

/* MSTP3 */
#define R8A7740_CLK_CMT1	29
#define R8A7740_CLK_FSI		28
#define R8A7740_CLK_IIC1	23
#define R8A7740_CLK_USBF	20
#define R8A7740_CLK_SDHI0	14
#define R8A7740_CLK_SDHI1	13
#define R8A7740_CLK_MMC		12
#define R8A7740_CLK_GETHER	9
#define R8A7740_CLK_TPU0	4

/* MSTP4 */
#define R8A7740_CLK_USBH	16
#define R8A7740_CLK_SDHI2	15
#define R8A7740_CLK_USBFUNC	7
#define R8A7740_CLK_USBPHY	6

/* SUBCK* */
#define R8A7740_CLK_SUBCK	9
#define R8A7740_CLK_SUBCK2	10

#endif /* __DT_BINDINGS_CLOCK_R8A7740_H__ */
is setting the buf to NULL to annotate an abort has occurred. Replace this mechanism by simply using the state check instead. All the other code in place already uses similar checks for aborting as well so no further changes are needed. An oops can be reproduced with the new fw_fallback.sh fallback mechanism cancellation test. Either cancelling the fallback mechanism or the custom fallback mechanism triggers a crash. mcgrof@piggy ~/linux-next/tools/testing/selftests/firmware (git::20170111-fw-fixes)$ sudo ./fw_fallback.sh ./fw_fallback.sh: timeout works ./fw_fallback.sh: firmware comparison works ./fw_fallback.sh: fallback mechanism works [ this then sits here when it is trying the cancellation test ] Kernel log: test_firmware: loading 'nope-test-firmware.bin' misc test_firmware: Direct firmware load for nope-test-firmware.bin failed with error -2 misc test_firmware: Falling back to user helper BUG: unable to handle kernel NULL pointer dereference at 0000000000000038 IP: _request_firmware+0xa27/0xad0 PGD 0 Oops: 0000 [#1] SMP Modules linked in: test_firmware(E) ... etc ... CPU: 1 PID: 1396 Comm: fw_fallback.sh Tainted: G W E 4.10.0-rc3-next-20170111+ #30 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.10.1-0-g8891697-prebuilt.qemu-project.org 04/01/2014 task: ffff9740b27f4340 task.stack: ffffbb15c0bc8000 RIP: 0010:_request_firmware+0xa27/0xad0 RSP: 0018:ffffbb15c0bcbd10 EFLAGS: 00010246 RAX: 00000000fffffffe RBX: ffff9740afe5aa80 RCX: 0000000000000000 RDX: ffff9740b27f4340 RSI: 0000000000000283 RDI: 0000000000000000 RBP: ffffbb15c0bcbd90 R08: ffffbb15c0bcbcd8 R09: 0000000000000000 R10: 0000000894a0d4b1 R11: 000000000000008c R12: ffffffffc0312480 R13: 0000000000000005 R14: ffff9740b1c32400 R15: 00000000000003e8 FS: 00007f8604422700(0000) GS:ffff9740bfc80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000038 CR3: 000000012164c000 CR4: 00000000000006e0 Call Trace: request_firmware+0x37/0x50 trigger_request_store+0x79/0xd0 [test_firmware] dev_attr_store+0x18/0x30 sysfs_kf_write+0x37/0x40 kernfs_fop_write+0x110/0x1a0 __vfs_write+0x37/0x160 ? _cond_resched+0x1a/0x50 vfs_write+0xb5/0x1a0 SyS_write+0x55/0xc0 ? trace_do_page_fault+0x37/0xd0 entry_SYSCALL_64_fastpath+0x1e/0xad RIP: 0033:0x7f8603f49620 RSP: 002b:00007fff6287b788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000055c307b110a0 RCX: 00007f8603f49620 RDX: 0000000000000016 RSI: 000055c3084d8a90 RDI: 0000000000000001 RBP: 0000000000000016 R08: 000000000000c0ff R09: 000055c3084d6336 R10: 000055c307b108b0 R11: 0000000000000246 R12: 000055c307b13c80 R13: 000055c3084d6320 R14: 0000000000000000 R15: 00007fff6287b950 Code: 9f 64 84 e8 9c 61 fe ff b8 f4 ff ff ff e9 6b f9 ff ff 48 c7 c7 40 6b 8d 84 89 45 a8 e8 43 84 18 00 49 8b be 00 03 00 00 8b 45 a8 <83> 7f 38 02 74 08 e8 6e ec ff ff 8b 45 a8 49 c7 86 00 03 00 00 RIP: _request_firmware+0xa27/0xad0 RSP: ffffbb15c0bcbd10 CR2: 0000000000000038 ---[ end trace 6d94ac339c133e6f ]--- Fixes: 5d47ec02c37e ("firmware: Correct handling of fw_state_wait() return value") Reported-and-Tested-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reported-and-Tested-by: Patrick Bruenn <p.bruenn@beckhoff.com> Reported-by: Chris Wilson <chris@chris-wilson.co.uk> CC: <stable@vger.kernel.org> [3.10+] Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/firewire/dice/dice.h')