Messages in this thread | | | Date | Thu, 27 Nov 2014 15:34:15 +0000 | From | One Thousand Gnomes <> | Subject | Re: [PATCH v3 5/5] tty/serial: Add Spreadtrum sc9836-uart driver support |
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> Yes, I saw this way in other serial drivers. > But, if then, there are two questions for me: > 1. Why did some serial drivers need an UN_SHARED irq? > 2. How can we choose a right way?
If your hardware can support sharing an IRQ then shared is the right way - along with the test Arnd suggested. Some hardware lacks the needed facilities to handle shared interrupt.
Alan
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