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2 Commits

Author SHA1 Message Date
Tiezhu Yang
f90fafecf4 irqchip/loongson-htpic: Remove redundant kfree operation 
In the function htpic_of_init(), when kzalloc htpic fails, it should
return -ENOMEM directly, no need to execute "goto" to kfree.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/1594087972-21715-2-git-send-email-yangtiezhu@loongson.cn
 2020-07-17 13:41:42 +01:00
Jiaxun Yang
a93f1d903f irqchip: Add driver for Loongson-3 HyperTransport PIC controller 
This controller appeared on Loongson-3 family of chips to receive
interrupts from PCH PIC.
It is a I8259 with optimized interrupt polling flow. We can poll
interrupt number from HT vector directly but still have to follow
standard I8259 routines to mask, unmask and EOI.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Co-developed-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
 2020-03-25 10:56:43 +01:00