[PATCH v2 06/14] spi: spi-meson-spicc: Remove set but never used variable 'data' from meson_spicc_reset_fifo()
Neil Armstrong
narmstrong at baylibre.com
Tue Jul 21 04:01:11 EDT 2020
On 17/07/2020 15:54, Lee Jones wrote:
> Looks like it hasn't ever been checked.
>
> Fixes the following W=1 kernel build warning(s):
>
> drivers/spi/spi-meson-spicc.c: In function ‘meson_spicc_reset_fifo’:
> drivers/spi/spi-meson-spicc.c:365:6: warning: variable ‘data’ set but not used [-Wunused-but-set-variable]
> 365 | u32 data;
> | ^~~~
>
> Cc: Kevin Hilman <khilman at baylibre.com>
> Cc: Neil Armstrong <narmstrong at baylibre.com>
> Cc: linux-amlogic at lists.infradead.org
> Signed-off-by: Lee Jones <lee.jones at linaro.org>
> ---
> drivers/spi/spi-meson-spicc.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/spi/spi-meson-spicc.c b/drivers/spi/spi-meson-spicc.c
> index 77f7d0e0e46ad..ecba6b4a5d85d 100644
> --- a/drivers/spi/spi-meson-spicc.c
> +++ b/drivers/spi/spi-meson-spicc.c
> @@ -362,8 +362,6 @@ static void meson_spicc_setup_xfer(struct meson_spicc_device *spicc,
>
> static void meson_spicc_reset_fifo(struct meson_spicc_device *spicc)
> {
> - u32 data;
> -
> if (spicc->data->has_oen)
> writel_bits_relaxed(SPICC_ENH_MAIN_CLK_AO,
> SPICC_ENH_MAIN_CLK_AO,
> @@ -373,7 +371,7 @@ static void meson_spicc_reset_fifo(struct meson_spicc_device *spicc)
> spicc->base + SPICC_TESTREG);
>
> while (meson_spicc_rxready(spicc))
> - data = readl_relaxed(spicc->base + SPICC_RXDATA);
> + readl_relaxed(spicc->base + SPICC_RXDATA);
>
> if (spicc->data->has_oen)
> writel_bits_relaxed(SPICC_ENH_MAIN_CLK_AO, 0,
>
Acked-by: Neil Armstrong <narmstrong at baylibre.com>
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