diff options
| author | Roy Pledge <Roy.Pledge@freescale.com> | 2014-07-21 14:47:03 (GMT) |
|---|---|---|
| committer | Matthew Weigel <Matthew.Weigel@freescale.com> | 2014-12-11 18:40:51 (GMT) |
| commit | 7dead8c7e1e624e1c1d4f7152f77821a22d3c697 (patch) | |
| tree | 9ffd9c15dee21d15beb443a152e2a2c660851d61 /drivers | |
| parent | 041dfe28b40efafb00a73e7cf35ed28ffc0c4c14 (diff) | |
| download | linux-fsl-qoriq-7dead8c7e1e624e1c1d4f7152f77821a22d3c697.tar.xz | |
Set affinity for USDPAA IRQs
Set the affinity of the USDPAA IRQ to match the affinity of the
calling process
Signed-off-by: Roy Pledge <Roy.Pledge@freescale.com>
Change-Id: I077a48ae5a77fe35a77dfae65c298fa6fa2aecda
Reviewed-on: http://git.am.freescale.net:8181/23675
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Geoff Thorpe <Geoff.Thorpe@freescale.com>
Reviewed-by: Jeffrey Ladouceur <Jeffrey.Ladouceur@freescale.com>
Reviewed-by: Matthew Weigel <Matthew.Weigel@freescale.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/fsl_qbman/fsl_usdpaa_irq.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/staging/fsl_qbman/fsl_usdpaa_irq.c b/drivers/staging/fsl_qbman/fsl_usdpaa_irq.c index ca93593..1f8260b 100644 --- a/drivers/staging/fsl_qbman/fsl_usdpaa_irq.c +++ b/drivers/staging/fsl_qbman/fsl_usdpaa_irq.c @@ -81,6 +81,7 @@ static int usdpaa_irq_release(struct inode *inode, struct file *filp) if (ctx->irq_set) { /* Inhibit the IRQ */ out_be32(ctx->inhibit_addr, 0x1); + irq_set_affinity_hint(ctx->irq_num, NULL); free_irq(ctx->irq_num, ctx); ctx->irq_set = 0; fput(ctx->usdpaa_filp); @@ -139,6 +140,14 @@ static int map_irq(struct file *fp, struct usdpaa_ioctl_irq_map *irq_map) fput(ctx->usdpaa_filp); return ret; } + ret = irq_set_affinity(ctx->irq_num, tsk_cpus_allowed(current)); + if (ret) + pr_err("USDPAA irq_set_affinity() failed, ret= %d\n", ret); + + ret = irq_set_affinity_hint(ctx->irq_num, tsk_cpus_allowed(current)); + if (ret) + pr_err("USDPAA irq_set_affinity_hint() failed, ret= %d\n", ret); + return 0; } |