mmc: renesas_sdhi: Replace magic number '0xff' in renesas_sdhi_set_clock()

Replace the magic number '0xff' with CLK_CTL_DIV_MASK macro for finding
actual clock in renesas_sdhi_set_clock().

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20250820104808.94562-1-biju.das.jz@bp.renesas.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c
index a41291a..f56fa2c 100644 (file)
--- a/drivers/mmc/host/renesas_sdhi_core.c
+++ b/drivers/mmc/host/renesas_sdhi_core.c
@@ -223,7 +223,7 @@ static void renesas_sdhi_set_clock(struct tmio_mmc_host *host,
        }
 
        clock = clk & CLK_CTL_DIV_MASK;
-       if (clock != 0xff)
+       if (clock != CLK_CTL_DIV_MASK)
                host->mmc->actual_clock /= (1 << (ffs(clock) + 1));
 
        sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, clock);