[lkml]   [2020]   [May]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] spi: bcm2835: Enable shared interrupt support
On 5/28/20 11:58 AM, Nicolas Saenz Julienne wrote:
> From: Martin Sperl <>
> bcm2711, Rasberry Pi 4's SoC, shares one interrupt for multiple
> instances of the bcm2835 SPI controller. So this enables shared
> interrupt support for them.
> The early bail out in the interrupt routine avoids messing with buffers
> of transfers being done by other means. Otherwise, the driver can handle
> receiving interrupts asserted by other controllers during an IRQ based
> transfer.
> Signed-off-by: Martin Sperl <>
> Signed-off-by: Nicolas Saenz Julienne <>

Thanks Nicolas, we have been using this patch on 7211 (which is very
similar to 2711):

Tested-by: Florian Fainelli <>
Acked-by: Florian Fainelli <>

 \ /
  Last update: 2020-05-28 21:04    [W:0.092 / U:0.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site