[PATCH 3/8] pwm: jz4740: Put per-channel clk into driver data

[Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>]

Stop using chip_data which is about to go away. Instead track the
per-channel clk in struct jz4740_pwm_chip.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
---
 drivers/pwm/pwm-jz4740.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/pwm/pwm-jz4740.c b/drivers/pwm/pwm-jz4740.c
index 3b7067f6cd0d..e0a57d71a60c 100644
--- a/drivers/pwm/pwm-jz4740.c
+++ b/drivers/pwm/pwm-jz4740.c
@@ -27,6 +27,7 @@ struct soc_info {
 struct jz4740_pwm_chip {
 	struct pwm_chip chip;
 	struct regmap *map;
+	struct clk *clk[];
 };
 
 static inline struct jz4740_pwm_chip *to_jz4740(struct pwm_chip *chip)
@@ -70,14 +71,15 @@ static int jz4740_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm)
 		return err;
 	}
 
-	pwm_set_chip_data(pwm, clk);
+	jz->clk[pwm->hwpwm] = clk;
 
 	return 0;
 }
 
 static void jz4740_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm)
 {
-	struct clk *clk = pwm_get_chip_data(pwm);
+	struct jz4740_pwm_chip *jz = to_jz4740(chip);
+	struct clk *clk = jz->clk[pwm->hwpwm];
 
 	clk_disable_unprepare(clk);
 	clk_put(clk);
@@ -123,7 +125,7 @@ static int jz4740_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,
 {
 	struct jz4740_pwm_chip *jz4740 = to_jz4740(pwm->chip);
 	unsigned long long tmp = 0xffffull * NSEC_PER_SEC;
-	struct clk *clk = pwm_get_chip_data(pwm);
+	struct clk *clk = jz4740->clk[pwm->hwpwm];
 	unsigned long period, duty;
 	long rate;
 	int err;
@@ -229,7 +231,8 @@ static int jz4740_pwm_probe(struct platform_device *pdev)
 	if (!info)
 		return -EINVAL;
 
-	jz4740 = devm_kzalloc(dev, sizeof(*jz4740), GFP_KERNEL);
+	jz4740 = devm_kzalloc(dev, sizeof(*jz4740) + info->num_pwms * sizeof(jz4740->clk[0]),
+			      GFP_KERNEL);
 	if (!jz4740)
 		return -ENOMEM;
 
-- 
2.39.2