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| author | Thomas Gleixner <tglx@linutronix.de> | 2018-02-16 15:47:26 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-02-16 15:47:26 +0100 |
| commit | 6dee6ae9d62642e81def4d461d71f13a6496ab59 (patch) | |
| tree | 6c75d416c427a59f190e197ad83fe59b7bebf656 /drivers/dma/ti-dma-crossbar.c | |
| parent | 1beaeacdc88b537703d04d5536235d0bbb36db93 (diff) | |
| parent | 0b24a0bbe2147815d982d9335c41bb10c04f40bc (diff) | |
| download | talos-op-linux-6dee6ae9d62642e81def4d461d71f13a6496ab59.tar.gz talos-op-linux-6dee6ae9d62642e81def4d461d71f13a6496ab59.zip | |
Merge tag 'irqchip-4.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull irqchip updates for 4.16-rc2 from Marc Zyngier
- A MIPS GIC fix for spurious, masked interrupts
- A fix for a subtle IPI bug in GICv3
- Do not probe GICv3 ITSs that are marked as disabled
- Multi-MSI support for GICv2m
- Various cleanups
Diffstat (limited to 'drivers/dma/ti-dma-crossbar.c')
| -rw-r--r-- | drivers/dma/ti-dma-crossbar.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/dma/ti-dma-crossbar.c b/drivers/dma/ti-dma-crossbar.c index 7df910e7c348..9272b173c746 100644 --- a/drivers/dma/ti-dma-crossbar.c +++ b/drivers/dma/ti-dma-crossbar.c @@ -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) |
