pwm: Ensure pwm_apply_state() doesn't modify the state argument

[linux-2.6-microblaze.git] / drivers / pwm / pwm-imx-tpm.c

diff --git a/drivers/pwm/pwm-imx-tpm.c b/drivers/pwm/pwm-imx-tpm.c
index e8385c1..9145f61 100644 (file)
--- a/drivers/pwm/pwm-imx-tpm.c
+++ b/drivers/pwm/pwm-imx-tpm.c
@@ -89,7 +89,7 @@ to_imx_tpm_pwm_chip(struct pwm_chip *chip)
 static int pwm_imx_tpm_round_state(struct pwm_chip *chip,
                                   struct imx_tpm_pwm_param *p,
                                   struct pwm_state *real_state,
-                                  struct pwm_state *state)
+                                  const struct pwm_state *state)
 {
        struct imx_tpm_pwm_chip *tpm = to_imx_tpm_pwm_chip(chip);
        u32 rate, prescale, period_count, clock_unit;
@@ -289,7 +289,7 @@ static int pwm_imx_tpm_apply_hw(struct pwm_chip *chip,
 
 static int pwm_imx_tpm_apply(struct pwm_chip *chip,
                             struct pwm_device *pwm,
-                            struct pwm_state *state)
+                            const struct pwm_state *state)
 {
        struct imx_tpm_pwm_chip *tpm = to_imx_tpm_pwm_chip(chip);
        struct imx_tpm_pwm_param param;