Re: [PATCH] rtc: isl1208: access i2c client via rtc parent

From: Alexandre Belloni
Date: Fri Sep 28 2018 - 08:05:05 EST


Hello,

On 28/09/2018 11:51:17+0000, Denis OSTERLAND wrote:
> From: Denis Osterland <Denis.Osterland@xxxxxxxxx>
>
> The move of atrim, dtrim usr sysfs properties from i2c device
> to rtc device require to access them via dev->parent.
> This patch also aligns timestamp0.
>
> Fixes: 03df75dd03301307ec578ccd4e8c1c0117b8e65c
> Signed-off-by: Denis Osterland <Denis.Osterland@xxxxxxxxx>
> ---
> drivers/rtc/rtc-isl1208.c | 16 +++++++++-------
> 1 file changed, 9 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c
> index 15094df12985..ec5ef518a09b 100644
> --- a/drivers/rtc/rtc-isl1208.c
> +++ b/drivers/rtc/rtc-isl1208.c
> @@ -517,7 +517,7 @@ static ssize_t timestamp0_store(struct device *dev,
> struct device_attribute *attr,
> const char *buf, size_t count)
> {
> - struct i2c_client *client = dev_get_drvdata(dev);
> + struct i2c_client *client = to_i2c_client(dev->parent);
> int sr;
>
> sr = isl1208_i2c_get_sr(client);
> @@ -539,7 +539,7 @@ static ssize_t timestamp0_store(struct device *dev,
> static ssize_t timestamp0_show(struct device *dev,
> struct device_attribute *attr, char *buf)
> {
> - struct i2c_client *client = dev_get_drvdata(dev);
> + struct i2c_client *client = to_i2c_client(dev->parent);
> u8 regs[ISL1219_EVT_SECTION_LEN] = { 0, };
> struct rtc_time tm;
> int sr;
> @@ -649,7 +649,7 @@ static ssize_t
> isl1208_sysfs_show_atrim(struct device *dev,
> struct device_attribute *attr, char *buf)
> {
> - int atr = isl1208_i2c_get_atr(to_i2c_client(dev));
> + int atr = isl1208_i2c_get_atr(to_i2c_client(dev->parent));
> if (atr < 0)
> return atr;
>
> @@ -662,7 +662,7 @@ static ssize_t
> isl1208_sysfs_show_dtrim(struct device *dev,
> struct device_attribute *attr, char *buf)
> {
> - int dtr = isl1208_i2c_get_dtr(to_i2c_client(dev));
> + int dtr = isl1208_i2c_get_dtr(to_i2c_client(dev->parent));

Oh right, I actually had that but somehow, I stashed the patch instead
of squashing it.

If that is fine for you, I'll fold that in the original patch (I'll ad
your SoB).


--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com