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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2023-07-05 10:06:45 +0200
committerThierry Reding <thierry.reding@gmail.com>2023-10-13 10:07:17 +0200
commit89c8de78cea3119dab28830fb5dcc663ede587c8 (patch)
tree269999db69ae43dd3b25c5ca3d1c59c85644c480 /drivers/pwm
parentpwm: samsung: Put per-channel data into driver data (diff)
downloadlinux-89c8de78cea3119dab28830fb5dcc663ede587c8.tar.xz
linux-89c8de78cea3119dab28830fb5dcc663ede587c8.zip
pwm: jz4740: Put per-channel clk into driver data
Stop using chip_data which is about to go away. Instead track the per-channel clk in struct jz4740_pwm_chip. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Paul Cercueil <paul@crapouillou.net> Link: https://lore.kernel.org/r/20230705080650.2353391-4-u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm')
-rw-r--r--drivers/pwm/pwm-jz4740.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/pwm/pwm-jz4740.c b/drivers/pwm/pwm-jz4740.c
index 49a6e28d1d98..e9375de60ad6 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 *jz = to_jz4740(pwm->chip);
unsigned long long tmp = 0xffffull * NSEC_PER_SEC;
- struct clk *clk = pwm_get_chip_data(pwm);
+ struct clk *clk = jz->clk[pwm->hwpwm];
unsigned long period, duty;
long rate;
int err;
@@ -228,7 +230,8 @@ static int jz4740_pwm_probe(struct platform_device *pdev)
if (!info)
return -EINVAL;
- jz = devm_kzalloc(dev, sizeof(*jz), GFP_KERNEL);
+ jz = devm_kzalloc(dev, struct_size(jz, clk, info->num_pwms),
+ GFP_KERNEL);
if (!jz)
return -ENOMEM;