On Wed, Nov 17, 2021 at 03:21:15PM +0100, Anders Roxell wrote:
> When building with clang-13 the compiler warns about:
>
> drivers/soc/tegra/fuse/speedo-tegra20.c:72:9: warning: use of bitwise '|' with boolean operands [-Wbitwise-instead-of-logical]
> reg = tegra_fuse_read_spare(i) |
> ^~~~~~~~~~~~~~~~~~~~~~~~~~
> ||
>
> This should be a logical OR so change it to fix the warning.
>
> Fixes: 7e939de1b2bb ("soc/tegra: fuse: Unify Tegra20 and Tegra30 drivers")
> Signed-off-by: Anders Roxell <anders.roxell@xxxxxxxxxx>
I sent the same patch a couple of weeks ago (but it was right before the
merge window so I am sure nobody was really paying attention):
https://lore.kernel.org/r/20211021214500.2388146-1-nathan@xxxxxxxxxx/
I do not particularly care which one gets merged (although I think mine
explains the warning a little bit better).
I am not sure your fixes tag is right, I would expect it to be:
Fixes: 25cd5a391478 ("ARM: tegra: Add speedo-based process identification")
With that fixed:
Reviewed-by: Nathan Chancellor <nathan@xxxxxxxxxx>
> ---
> drivers/soc/tegra/fuse/speedo-tegra20.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/soc/tegra/fuse/speedo-tegra20.c b/drivers/soc/tegra/fuse/speedo-tegra20.c
> index 2546bddbab93..4984246605ae 100644
> --- a/drivers/soc/tegra/fuse/speedo-tegra20.c
> +++ b/drivers/soc/tegra/fuse/speedo-tegra20.c
> @@ -69,7 +69,7 @@ void __init tegra20_init_speedo_data(struct tegra_sku_info *sku_info)
>
> val = 0;
> for (i = CPU_SPEEDO_MSBIT; i >= CPU_SPEEDO_LSBIT; i--) {
> - reg = tegra_fuse_read_spare(i) |
> + reg = tegra_fuse_read_spare(i) ||
> tegra_fuse_read_spare(i + CPU_SPEEDO_REDUND_OFFS);
> val = (val << 1) | (reg & 0x1);
> }
> @@ -84,7 +84,7 @@ void __init tegra20_init_speedo_data(struct tegra_sku_info *sku_info)
>
> val = 0;
> for (i = SOC_SPEEDO_MSBIT; i >= SOC_SPEEDO_LSBIT; i--) {
> - reg = tegra_fuse_read_spare(i) |
> + reg = tegra_fuse_read_spare(i) ||
> tegra_fuse_read_spare(i + SOC_SPEEDO_REDUND_OFFS);
> val = (val << 1) | (reg & 0x1);
> }
> --
> 2.33.0
>
