From 67414f8db560e5d8dd621f451fb5b50796c8fe6d Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Tue, 7 Jul 2020 13:23:51 +0300 Subject: [PATCH] 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 Reviewed-by: Grygorii Strashko Link: https://lore.kernel.org/r/20200707102352.28773-5-peter.ujfalusi@ti.com Signed-off-by: Vinod Koul --- drivers/dma/ti/k3-udma-private.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/dma/ti/k3-udma-private.c b/drivers/dma/ti/k3-udma-private.c index 0b8f3dd..c8100d1 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); -- 2.7.4