[PATCH v2] drm/msm: Use nvmem_cell_read_variable_le_u32() to read speed bin

From: Douglas Anderson
Date: Fri May 21 2021 - 16:46:03 EST


Let's use the newly-added nvmem_cell_read_variable_le_u32() to future
proof ourselves a little bit.

Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
---
The patch that this depends on is now in mainline so it can be merged
at will. I'm just sending this as a singleton patch to make it obvious
that there are no dependencies now.

Changes in v2:
- Rebased

drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index b4d8e1b01ee4..a07214157ad3 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -1403,10 +1403,10 @@ static int a6xx_set_supported_hw(struct device *dev, struct a6xx_gpu *a6xx_gpu,
{
struct opp_table *opp_table;
u32 supp_hw = UINT_MAX;
- u16 speedbin;
+ u32 speedbin;
int ret;

- ret = nvmem_cell_read_u16(dev, "speed_bin", &speedbin);
+ ret = nvmem_cell_read_variable_le_u32(dev, "speed_bin", &speedbin);
/*
* -ENOENT means that the platform doesn't support speedbin which is
* fine
@@ -1419,7 +1419,6 @@ static int a6xx_set_supported_hw(struct device *dev, struct a6xx_gpu *a6xx_gpu,
ret);
goto done;
}
- speedbin = le16_to_cpu(speedbin);

supp_hw = fuse_to_supp_hw(dev, revn, speedbin);

--
2.31.1.818.g46aad6cb9e-goog