As the comment indicates, adding that udelay seems to improve the stability of the communication, although it is not known why this is the case.
Signed-off-by: Julian Andres Klode <[email protected]> Acked-by: Marc Dietrich <[email protected]> --- drivers/staging/nvec/nvec.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c index 8915344..07c8e09 100644 --- a/drivers/staging/nvec/nvec.c +++ b/drivers/staging/nvec/nvec.c @@ -656,6 +656,15 @@ static irqreturn_t nvec_interrupt(int irq, void *dev) status & RCVD ? " RCVD" : "", status & RNW ? " RNW" : ""); + + /* + * TODO: A correct fix needs to be found for this. + * + * We experience less incomplete messages with this delay than without + * it, but we don't know why. Help is appreciated. + */ + udelay(100); + return IRQ_HANDLED; } -- 1.7.5.4 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
