PCI: mobiveil: Fix INTx interrupt clearing in mobiveil_pcie_isr()
authorHou Zhiqiang <Zhiqiang.Hou@nxp.com>
Fri, 5 Jul 2019 09:56:56 +0000 (17:56 +0800)
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Mon, 8 Jul 2019 11:39:09 +0000 (12:39 +0100)
commit8a4f9fea2697ae11a0f542f158636f00d10b800f
tree3873cd9d38029e53c21005810ff3034bd7702332
parent526c101dde6453e45ff5b25fbda8c3ff736f9788
PCI: mobiveil: Fix INTx interrupt clearing in mobiveil_pcie_isr()

The current INTx handling function clears all interrupts after
handling the first pending; this can potentially cause missing INTx
detection. Fix the code to clear only the handled INTx IRQ.

Fixes: 9af6bcb11e12 ("PCI: mobiveil: Add Mobiveil PCIe Host Bridge IP driver")
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com>
Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
Acked-by: Karthikeyan Mitran <m.karthikeyan@mobiveil.co.in>
Tested-by: Karthikeyan Mitran <m.karthikeyan@mobiveil.co.in>
drivers/pci/controller/pcie-mobiveil.c