Messages in this thread Patch in this message | | | From | Bharat Bhushan <> | Subject | [PATCH] powerpc/mpic: Cleanup irq vector accounting | Date | Fri, 29 Jun 2018 15:54:32 +0530 |
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Available vector space accounts ipis and timer interrupts while spurious vector was not accounted. Also later mpic_setup_error_int() escape one more vector, seemingly it assumes one spurious vector.
Signed-off-by: Bharat Bhushan <Bharat.Bhushan@nxp.com> --- arch/powerpc/sysdev/fsl_mpic_err.c | 2 +- arch/powerpc/sysdev/mpic.c | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/sysdev/fsl_mpic_err.c b/arch/powerpc/sysdev/fsl_mpic_err.c index 488ec45..2a98837 100644 --- a/arch/powerpc/sysdev/fsl_mpic_err.c +++ b/arch/powerpc/sysdev/fsl_mpic_err.c @@ -76,7 +76,7 @@ int mpic_setup_error_int(struct mpic *mpic, int intvec) mpic->flags |= MPIC_FSL_HAS_EIMR; /* allocate interrupt vectors for error interrupts */ for (i = MPIC_MAX_ERR - 1; i >= 0; i--) - mpic->err_int_vecs[i] = --intvec; + mpic->err_int_vecs[i] = intvec--; return 0; } diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 1d4e0ef6..e098d1e 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -1380,12 +1380,12 @@ struct mpic * __init mpic_alloc(struct device_node *node, * global vector number space, as in case of ipis * and timer interrupts. * - * Available vector space = intvec_top - 12, where 12 + * Available vector space = intvec_top - 13, where 13 * is the number of vectors which have been consumed by - * ipis and timer interrupts. + * ipis, timer interrupts and spurious. */ if (fsl_version >= 0x401) { - ret = mpic_setup_error_int(mpic, intvec_top - 12); + ret = mpic_setup_error_int(mpic, intvec_top - 13); if (ret) return NULL; } -- 1.9.3
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