[ Upstream commit
c3720e65c9013a7b2a5dbb63e6bf6d74a35dd894 ]
There is a hardware bug that the interrupt STMBUF_HALF may be triggered
after or when disable interrupt.
It may led to unexpected kernel panic.
And interrupt STMBUF_HALF and STMBUF_RTND have no other effect.
So disable them and the unused interrupts.
meanwhile clear the interrupt status when disable interrupt.
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Reviewed-by: Mirela Rabulea <mirela.rabulea@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
void mxc_jpeg_enable_irq(void __iomem *reg, int slot)
{
- writel(0xFFFFFFFF, reg + MXC_SLOT_OFFSET(slot, SLOT_IRQ_EN));
+ writel(0xFFFFFFFF, reg + MXC_SLOT_OFFSET(slot, SLOT_STATUS));
+ writel(0xF0C, reg + MXC_SLOT_OFFSET(slot, SLOT_IRQ_EN));
}
void mxc_jpeg_disable_irq(void __iomem *reg, int slot)
{
writel(0x0, reg + MXC_SLOT_OFFSET(slot, SLOT_IRQ_EN));
+ writel(0xFFFFFFFF, reg + MXC_SLOT_OFFSET(slot, SLOT_STATUS));
}
void mxc_jpeg_sw_reset(void __iomem *reg)