[PATCH] /msm/adreno: fix different address spaces warning

From: Bernard Zhao
Date: Wed Mar 31 2021 - 09:21:51 EST


Fixes the following sparse warnings:
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:189:9: expected void [noderef] __iomem *addr
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:189:9: got void *
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:190:9: warning: incorrect type in argument 2 (different address spaces)
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:190:9: expected void [noderef] __iomem *addr
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:190:9: got void *
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:191:9: warning: incorrect type in argument 2 (different address spaces)
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:191:9: expected void [noderef] __iomem *addr
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:191:9: got void *
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:192:9: warning: incorrect type in argument 2 (different address spaces)
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:192:9: expected void [noderef] __iomem *addr
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:192:9: got void *
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:197:19: warning: incorrect type in argument 1 (different address spaces)
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:197:19: expected void const [noderef] __iomem *addr
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:197:19: got void *
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:198:19: warning: incorrect type in argument 1 (different address spaces)
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:198:19: expected void const [noderef] __iomem *addr
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:198:19: got void *
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:315:41: warning: incorrect type in argument 1 (different address spaces)
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:315:41: expected void *[noderef] __iomem cxdbg
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:315:41: got void [noderef] __iomem *cxdbg
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:189:9: warning: dereference of noderef expression
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:190:9: warning: dereference of noderef expression
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:191:9: warning: dereference of noderef expression
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:192:9: warning: dereference of noderef expression
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:197:19: warning: dereference of noderef expression
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c:198:19: warning: dereference of noderef expression

Signed-off-by: Bernard Zhao <bernard@xxxxxxxx>
---
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 36 ++++++++++-----------
1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
index c1699b4f9a89..e5558d09ddf9 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
@@ -186,16 +186,16 @@ static int cx_debugbus_read(void *__iomem cxdbg, u32 block, u32 offset,
u32 reg = A6XX_CX_DBGC_CFG_DBGBUS_SEL_A_PING_INDEX(offset) |
A6XX_CX_DBGC_CFG_DBGBUS_SEL_A_PING_BLK_SEL(block);

- cxdbg_write(cxdbg, REG_A6XX_CX_DBGC_CFG_DBGBUS_SEL_A, reg);
- cxdbg_write(cxdbg, REG_A6XX_CX_DBGC_CFG_DBGBUS_SEL_B, reg);
- cxdbg_write(cxdbg, REG_A6XX_CX_DBGC_CFG_DBGBUS_SEL_C, reg);
- cxdbg_write(cxdbg, REG_A6XX_CX_DBGC_CFG_DBGBUS_SEL_D, reg);
+ cxdbg_write(cxdbg, (void __iomem *)REG_A6XX_CX_DBGC_CFG_DBGBUS_SEL_A, reg);
+ cxdbg_write(cxdbg, (void __iomem *)REG_A6XX_CX_DBGC_CFG_DBGBUS_SEL_B, reg);
+ cxdbg_write(cxdbg, (void __iomem *)REG_A6XX_CX_DBGC_CFG_DBGBUS_SEL_C, reg);
+ cxdbg_write(cxdbg, (void __iomem *)REG_A6XX_CX_DBGC_CFG_DBGBUS_SEL_D, reg);

/* Wait 1 us to make sure the data is flowing */
udelay(1);

- data[0] = cxdbg_read(cxdbg, REG_A6XX_CX_DBGC_CFG_DBGBUS_TRACE_BUF2);
- data[1] = cxdbg_read(cxdbg, REG_A6XX_CX_DBGC_CFG_DBGBUS_TRACE_BUF1);
+ data[0] = cxdbg_read(cxdbg, (void __iomem *)REG_A6XX_CX_DBGC_CFG_DBGBUS_TRACE_BUF2);
+ data[1] = cxdbg_read(cxdbg, (void __iomem *)REG_A6XX_CX_DBGC_CFG_DBGBUS_TRACE_BUF1);

return 2;
}
@@ -353,26 +353,26 @@ static void a6xx_get_debugbus(struct msm_gpu *gpu,
cxdbg = ioremap(res->start, resource_size(res));

if (cxdbg) {
- cxdbg_write(cxdbg, REG_A6XX_CX_DBGC_CFG_DBGBUS_CNTLT,
+ cxdbg_write(cxdbg, (void __iomem *)REG_A6XX_CX_DBGC_CFG_DBGBUS_CNTLT,
A6XX_DBGC_CFG_DBGBUS_CNTLT_SEGT(0xf));

- cxdbg_write(cxdbg, REG_A6XX_CX_DBGC_CFG_DBGBUS_CNTLM,
+ cxdbg_write(cxdbg, (void __iomem *)REG_A6XX_CX_DBGC_CFG_DBGBUS_CNTLM,
A6XX_DBGC_CFG_DBGBUS_CNTLM_ENABLE(0xf));

- cxdbg_write(cxdbg, REG_A6XX_CX_DBGC_CFG_DBGBUS_IVTL_0, 0);
- cxdbg_write(cxdbg, REG_A6XX_CX_DBGC_CFG_DBGBUS_IVTL_1, 0);
- cxdbg_write(cxdbg, REG_A6XX_CX_DBGC_CFG_DBGBUS_IVTL_2, 0);
- cxdbg_write(cxdbg, REG_A6XX_CX_DBGC_CFG_DBGBUS_IVTL_3, 0);
+ cxdbg_write(cxdbg, (void __iomem *)REG_A6XX_CX_DBGC_CFG_DBGBUS_IVTL_0, 0);
+ cxdbg_write(cxdbg, (void __iomem *)REG_A6XX_CX_DBGC_CFG_DBGBUS_IVTL_1, 0);
+ cxdbg_write(cxdbg, (void __iomem *)REG_A6XX_CX_DBGC_CFG_DBGBUS_IVTL_2, 0);
+ cxdbg_write(cxdbg, (void __iomem *)REG_A6XX_CX_DBGC_CFG_DBGBUS_IVTL_3, 0);

- cxdbg_write(cxdbg, REG_A6XX_CX_DBGC_CFG_DBGBUS_BYTEL_0,
+ cxdbg_write(cxdbg, (void __iomem *)REG_A6XX_CX_DBGC_CFG_DBGBUS_BYTEL_0,
0x76543210);
- cxdbg_write(cxdbg, REG_A6XX_CX_DBGC_CFG_DBGBUS_BYTEL_1,
+ cxdbg_write(cxdbg, (void __iomem *)REG_A6XX_CX_DBGC_CFG_DBGBUS_BYTEL_1,
0xFEDCBA98);

- cxdbg_write(cxdbg, REG_A6XX_CX_DBGC_CFG_DBGBUS_MASKL_0, 0);
- cxdbg_write(cxdbg, REG_A6XX_CX_DBGC_CFG_DBGBUS_MASKL_1, 0);
- cxdbg_write(cxdbg, REG_A6XX_CX_DBGC_CFG_DBGBUS_MASKL_2, 0);
- cxdbg_write(cxdbg, REG_A6XX_CX_DBGC_CFG_DBGBUS_MASKL_3, 0);
+ cxdbg_write(cxdbg, (void __iomem *)REG_A6XX_CX_DBGC_CFG_DBGBUS_MASKL_0, 0);
+ cxdbg_write(cxdbg, (void __iomem *)REG_A6XX_CX_DBGC_CFG_DBGBUS_MASKL_1, 0);
+ cxdbg_write(cxdbg, (void __iomem *)REG_A6XX_CX_DBGC_CFG_DBGBUS_MASKL_2, 0);
+ cxdbg_write(cxdbg, (void __iomem *)REG_A6XX_CX_DBGC_CFG_DBGBUS_MASKL_3, 0);
}

nr_debugbus_blocks = ARRAY_SIZE(a6xx_debugbus_blocks) +
--
2.31.0