ALSA:: ctxfi: cthw20k1: Replace mdelay() with msleep()

hw_pll_init(), hw_reset_dac() and hw_card_init() are never
called in atomic context.
They calls mdelay() to busily wait, which is not necessary.
mdelay() can be replaced with msleep().

This is found by a static analysis tool named DCNS written by myself.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/ctxfi/cthw20k1.c b/sound/pci/ctxfi/cthw20k1.c
index 8e6eb9d7984b88329d8ea291cf2414f299f9a819..6a051a1c3724f3177917713cd610ab6c15f0da6f 100644 (file)
--- a/sound/pci/ctxfi/cthw20k1.c
+++ b/sound/pci/ctxfi/cthw20k1.c
@@ -1319,7 +1319,7 @@ static int hw_pll_init(struct hw *hw, unsigned int rsr)
                        break;
 
                hw_write_20kx(hw, PLLCTL, pllctl);
-               mdelay(40);
+               msleep(40);
        }
        if (i >= 3) {
                dev_alert(hw->card->dev, "PLL initialization failed!!!\n");
@@ -1407,7 +1407,7 @@ static int hw_reset_dac(struct hw *hw)
        /* To be effective, need to reset the DAC twice. */
        for (i = 0; i < 2;  i++) {
                /* set gpio */
-               mdelay(100);
+               msleep(100);
                gpioorg = (u16)hw_read_20kx(hw, GPIO);
                gpioorg &= 0xfffd;
                hw_write_20kx(hw, GPIO, gpioorg);
@@ -2030,7 +2030,7 @@ static int hw_card_init(struct hw *hw, struct card_conf *info)
        hw_write_20kx(hw, GIE, 0);
        /* Reset all SRC pending interrupts */
        hw_write_20kx(hw, SRCIP, 0);
-       mdelay(30);
+       msleep(30);
 
        /* Detect the card ID and configure GPIO accordingly. */
        switch (hw->model) {