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27 March 2024, 02:37:15 UTC
Revision 5f92c329364c0bf2d3a356da5e8759fbe349f9d1 authored by David S. Miller on 31 August 2007, 05:27:28 UTC, committed by David S. Miller on 31 August 2007, 06:06:51 UTC 
[SPARC64]: Fix several bugs in MSI handling.
 
1) sun4{u,v}_build_msi() have improper return value handling.

   We should always return negative error codes, instead of
   using the magic value "0" which could in fact be a valid
   MSI number.

2) sun4{u,v}_build_msi() should return -ENOMEM instead of
   calling prom_prom() halt with kzalloc() of the interrupt
   data fails.

3) We 'remembered' the MSI number using a singleton in the
   struct device archdata area, this doesn't work for MSI-X
   which can cause multiple MSIs assosciated with one device.

   Delete that archdata member, and instead store the MSI
   number in the IRQ chip data area.

Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent 6e69d60
History
Tip revision: 5f92c329364c0bf2d3a356da5e8759fbe349f9d1 authored by David S. Miller on 31 August 2007, 05:27:28 UTC
[SPARC64]: Fix several bugs in MSI handling.
Tip revision: 5f92c32
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