[PATCH] ARM: dts: imx6sx: Fix LCDIF interrupt type

Shawn Guo shawnguo at kernel.org
Sun Oct 23 07:03:23 PDT 2016


On Sun, Oct 02, 2016 at 06:44:35PM +0200, Marek Vasut wrote:
> The LCDIF interrupt should be triggered by the rising edge of the
> IRQ line because we only want the interrupt to trigger once per each
> frame. It seems the LCDIF IRQ line cannot be explicitly de-asserted
> by software, so the previous behavior before this patch, where the
> interrupt was triggered by level-high status of the IRQ line, caused
> the interrupt to fire again immediatelly after it was handled, which
> caused the system to lock up due to the high rate of interrupts.
> 
> Signed-off-by: Marek Vasut <marex at denx.de>
> Cc: Lucas Stach <l.stach at pengutronix.de>
> Cc: Fabio Estevam <fabio.estevam at nxp.com>
> Cc: Shawn Guo <shawnguo at kernel.org>

Applied, thanks.



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