diff options
| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2020-07-07 13:23:51 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-07-15 09:06:55 +0300 |
| commit | 67414f8db560e5d8dd621f451fb5b50796c8fe6d (patch) | |
| tree | abb0ceefe57b94dfaefe2ed2a38e177b0f3ed483 /drivers/dma/ti/k3-udma-private.c | |
| parent | bc7e55239c7aecfb2896c4c08638fc5682e8de01 (diff) | |
| download | linux-67414f8db560e5d8dd621f451fb5b50796c8fe6d.tar.xz | |
dmaengine: ti: k3-udma-private: Use udma_read/write for register access
Instead of using higher level wrappers (udma_rchanrt/tchanrt read/write),
use the underlying register access functions directly.
This will allow changes in the higher level wrappers within the DMAengine
driver.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Link: https://lore.kernel.org/r/20200707102352.28773-5-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/ti/k3-udma-private.c')
| -rw-r--r-- | drivers/dma/ti/k3-udma-private.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/dma/ti/k3-udma-private.c b/drivers/dma/ti/k3-udma-private.c index 0b8f3dd6b146..c8100d1716ee 100644 --- a/drivers/dma/ti/k3-udma-private.c +++ b/drivers/dma/ti/k3-udma-private.c @@ -120,13 +120,17 @@ XUDMA_GET_RESOURCE_ID(rflow); #define XUDMA_RT_IO_FUNCTIONS(res) \ u32 xudma_##res##rt_read(struct udma_##res *p, int reg) \ { \ - return udma_##res##rt_read(p, reg); \ + if (!p) \ + return 0; \ + return udma_read(p->reg_rt, reg); \ } \ EXPORT_SYMBOL(xudma_##res##rt_read); \ \ void xudma_##res##rt_write(struct udma_##res *p, int reg, u32 val) \ { \ - udma_##res##rt_write(p, reg, val); \ + if (!p) \ + return; \ + udma_write(p->reg_rt, reg, val); \ } \ EXPORT_SYMBOL(xudma_##res##rt_write) XUDMA_RT_IO_FUNCTIONS(tchan); |