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drivers: irqsteer: adjust CHn_MASK index computation #394

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merged 2 commits into from
Nov 5, 2024
Merged

drivers: irqsteer: adjust CHn_MASK index computation #394

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89e253f
drivers: irqsteer: adjust CHn_MASK index computation
LaurentiuM1234 May 22, 2024
8b6e84e
mcux: README: Update patch list
dbaluta Nov 5, 2024
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13 changes: 7 additions & 6 deletions mcux/mcux-sdk/drivers/irqsteer/fsl_irqsteer.c
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Original file line number Diff line number Diff line change
Expand Up @@ -168,15 +168,16 @@ uint32_t IRQSTEER_GetMasterIrqCount(IRQSTEER_Type *base, irqsteer_int_master_t i
return count;
}

static uint32_t IRQSTEER_GetRegIndex(irqsteer_int_master_t intMasterIndex, uint32_t slice)
static uint32_t IRQSTEER_GetRegIndex(irqsteer_int_master_t intMasterIndex,
uint32_t slice, uint32_t sliceNum)
{
uint32_t base = FSL_FEATURE_IRQSTEER_CHn_MASK_COUNT - 1 - intMasterIndex * 2;

if (FSL_FEATURE_IRQSTEER_CHn_MASK_COUNT % 2) {
return base + slice;
} else {
return base - slice;
base += sliceNum - 1;
}

return base - slice;
}

/*!
Expand Down Expand Up @@ -225,7 +226,7 @@ IRQn_Type IRQSTEER_GetMasterNextInterrupt(IRQSTEER_Type *base, irqsteer_int_mast
bitOffset = 0;

/* compute the index of the register to be queried */
regIndex = IRQSTEER_GetRegIndex(intMasterIndex, i);
regIndex = IRQSTEER_GetRegIndex(intMasterIndex, i, sliceNum + 1);

/* get register's value */
chanStatus = base->CHn_STATUS[regIndex];
Expand Down Expand Up @@ -255,7 +256,7 @@ uint64_t IRQSTEER_GetMasterInterruptsStatus(IRQSTEER_Type *base, irqsteer_int_ma
sliceNum = IRQSTEER_GetMasterIrqCount(base, intMasterIndex) / 32 - 1;

for (i = 0; i <= sliceNum; i++) {
regIndex = IRQSTEER_GetRegIndex(intMasterIndex, i);
regIndex = IRQSTEER_GetRegIndex(intMasterIndex, i, sliceNum + 1);

chanStatus = base->CHn_STATUS[regIndex];

Expand Down