diff options
| author | Alex Shi <alex.shi@linaro.org> | 2018-03-26 02:32:53 +0000 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2018-03-26 02:32:53 +0000 |
| commit | 38b587878eee8f9f2664135ab76805d0510bb997 (patch) | |
| tree | 66f5c8eb8821dc7fa1fe91741b24ff7291ef3bf1 /drivers/dma/ti-dma-crossbar.c | |
| parent | 323174b55ef1de0c70ed0b268fcaf9f2d6f842c6 (diff) | |
| parent | 24f70aa804cd7f8fee4353cf4990997d1c8375ae (diff) | |
Merge tag 'v4.9.90' into linux-linaro-lsk-v4.9lsk-v4.9-18.03
This is the 4.9.90 stable release
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 43e88d85129e..8c3c588834d2 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) |