spi: omap-uwire: Use clk_prepare_enable and clk_disable_unprepare

Convert clk_enable() to clk_prepare_enable() and clk_disable() to
clk_disable_unprepare() respectively in the spi-omap-uwire.c.
Signed-off-by: Qing Zhang <zhangqing@loongson.cn>
Link: https://lore.kernel.org/r/1594790807-32319-1-git-send-email-zhangqing@loongson.cnSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-omap-uwire.c

@@ -443,7 +443,7 @@ static void uwire_cleanup(struct spi_device *spi)
 static void uwire_off(struct uwire_spi *uwire)
 {
 	uwire_write_reg(UWIRE_SR3, 0);
-	clk_disable(uwire->ck);
+	clk_disable_unprepare(uwire->ck);
 	spi_master_put(uwire->bitbang.master);
 }
 
@@ -475,7 +475,7 @@ static int uwire_probe(struct platform_device *pdev)
 		spi_master_put(master);
 		return status;
 	}
-	clk_enable(uwire->ck);
+	clk_prepare_enable(uwire->ck);
 
 	if (cpu_is_omap7xx())
 		uwire_idx_shift = 1;