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authorMinghuan Lian <Minghuan.Lian@freescale.com>2013-06-21 12:59:14 +0200
committerScott Wood <scottwood@freescale.com>2013-08-08 01:38:05 +0200
commitf31dd9443afd35696a833c2a32d584a9257abd40 (patch)
tree8ff21712b02cbd063c6bb88fe4359e036a0534dd /arch/powerpc/kernel/epapr_paravirt.c
parentpowerpc/dts: add MPIC v4.3 dts node (diff)
downloadlinux-f31dd9443afd35696a833c2a32d584a9257abd40.tar.xz
linux-f31dd9443afd35696a833c2a32d584a9257abd40.zip
powerpc/fsl_msi: add MSIIR1 support for MPIC v4.3
The original MPIC MSI bank contains 8 registers, MPIC v4.3 MSI bank contains 16 registers, and this patch adds NR_MSI_REG_MAX and NR_MSI_IRQS_MAX to describe the maximum capability of MSI bank. MPIC v4.3 provides MSIIR1 to index these 16 MSI registers. MSIIR1 uses different bits definition than MSIIR. This patch adds ibs_shift and srs_shift to indicate the bits definition of the MSIIR and MSIIR1, so the same code can handle the MSIIR and MSIIR1 simultaneously. Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com> [scottwood@freescale.com: reinstated static on all_avail] Signed-off-by: Scott Wood <scottwood@freescale.com>
Diffstat (limited to 'arch/powerpc/kernel/epapr_paravirt.c')
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