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ahci_xgene: Implement the workaround to fix the missing of the edge interrupt for...
authorSuman Tripathi <stripathi@apm.com>
Sat, 6 Feb 2016 05:55:24 +0000 (11:25 +0530)
committerTejun Heo <tj@kernel.org>
Thu, 11 Feb 2016 14:54:15 +0000 (09:54 -0500)
commit32aea2680de01f539d928112150279fdeeabca00
tree37da2247e5c7b86b5d91a262716bdca5518a2d55tree | snapshot
parentd867b95f965457b9e85fb061ef8e3fdc029116edcommit | diff
ahci_xgene: Implement the workaround to fix the missing of the edge interrupt for the HOST_IRQ_STAT.

Due to H/W errata, the HOST_IRQ_STAT register misses the edge interrupt
when clearing the HOST_IRQ_STAT register and hardware reporting the
PORT_IRQ_STAT register happens to be at the same clock cycle.

Signed-off-by: Suman Tripathi <stripathi@apm.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
drivers/ata/ahci_xgene.c diff | blob | history
Beck SC1x5 Kernel