AuxXxilium/linux_dsm_epyc7002
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Merge branch 'topic/ti' into for-linus

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This commit is contained in:
Vinod Koul 2018-01-31 13:51:16 +05:30
commit db90305b1f
1 changed files with 9 additions and 1 deletions
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10
drivers/dma/ti-dma-crossbar.c
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@ -54,7 +54,15 @@ struct ti_am335x_xbar_map {
static inline void ti_am335x_xbar_write(void __iomem *iomem, int event, u8 val)
{
writeb_relaxed(val, iomem + event);
/*
* TPCC_EVT_MUX_60_63 register layout is different than the
* rest, in the sense, that event 63 is mapped to lowest byte
* and event 60 is mapped to highest, handle it separately.
*/
if (event >= 60 && event <= 63)
writeb_relaxed(val, iomem + (63 - event % 4));
else
writeb_relaxed(val, iomem + event);
}
static void ti_am335x_xbar_free(struct device *dev, void *route_data)