usb: renesas: fix scheduling in atomic context bug

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The current renesas_usbhs driver triggers

BUG: scheduling while atomic: ksoftirqd/0/3/0x00000102

with enabled CONFIG_DEBUG_ATOMIC_SLEEP, by submitting DMA transfers from
an atomic (tasklet) context, which is not supported by the shdma dmaengine
driver. Fix it by switching to a work.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>

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This commit is contained in:

Guennadi Liakhovetski 2012-02-14 11:37:21 +01:00 • committed by Felipe Balbi

parent d526128694

commit 6e4b74e469

2 changed files with 8 additions and 13 deletions

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18

drivers/usb/renesas_usbhs/fifo.c

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3

drivers/usb/renesas_usbhs/fifo.h

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