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powerpc/fsl_msi: reorganize structs to improve clarity and flexibility

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Store cascade_data in an array inside the driver
data for later use.
Get rid of the msi_virq array since now we can
encapsulate the virqs in the cascade_data
directly and access them through the array
mentioned earlier.

Signed-off-by: Laurentiu Tudor <Laurentiu.Tudor@freescale.com>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Mihai Caraman <mihai.caraman@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
This commit is contained in:
Tudor Laurentiu
2014-08-19 14:25:01 +03:00
committed by Scott Wood
parent 26a047ab10
commit 834952314c
2 changed files with 14 additions and 7 deletions
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4
arch/powerpc/sysdev/fsl_msi.h
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@@ -27,6 +27,8 @@
#define FSL_PIC_IP_IPIC 0x00000002
#define FSL_PIC_IP_VMPIC 0x00000003
struct fsl_msi_cascade_data;
struct fsl_msi {
struct irq_domain *irqhost;
@@ -37,7 +39,7 @@ struct fsl_msi {
u32 srs_shift; /* Shift of the shared interrupt register select */
void __iomem *msi_regs;
u32 feature;
int msi_virqs[NR_MSI_REG_MAX];
struct fsl_msi_cascade_data *cascade_array[NR_MSI_REG_MAX];
struct msi_bitmap bitmap;