usb: renesas_usbhs: protect mod->irq_{bemp,brdy}sts by spin lock

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This patch protects the mod->irq_bempsts and mod->irq_brdysts by
spin lock in the usbhs_status_get_each_irq() because other functions
will write them during spin lock. Otherwise, the driver will clears
the BRDYSTS and/or BEMPSTS wrongly, and then, the transaction will not
finish.
Also since the driver should use the INTSTS0 and BRDYSTS and BEMPSTS
as the same timing, the patch protects them.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

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Yoshihiro Shimoda 2014-08-22 20:14:00 +09:00 • committed by Felipe Balbi

parent 8355b2b308

commit c4d8199ba1

1 changed files with 5 additions and 0 deletions

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drivers/usb/renesas_usbhs/mod.c

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