Re: [EXTERNAL] Re: [PATCH v9 2/2] power: supply: bq256xx: Introduce the BQ256XX charger driver
From: Ricardo Rivera-Matos <hidden>
Date: 2021-01-05 23:28:12
Also in:
linux-devicetree, lkml
From: Ricardo Rivera-Matos <hidden>
Date: 2021-01-05 23:28:12
Also in:
linux-devicetree, lkml
Sebastian, On 1/5/21 3:26 PM, Sebastian Reichel wrote:
Hi, On Tue, Jan 05, 2021 at 02:29:49PM -0600, Ricardo Rivera-Matos wrote:quoted
The BQ256XX family of devices are highly integrated buck chargers for single cell batteries. Signed-off-by: Ricardo Rivera-Matos <redacted> v9 - resolves two warnings issued by kernel test robotchangelog needs to be below --- btw. (so that git am does not pick it up :))
ACK
quoted
--- [...] + ret = bq256xx_parse_dt(bq, psy_cfg, dev); + if (ret) { + dev_err(dev, "Failed to read device tree properties%d\n", ret); + return ret; + } [...]If you want to change psy_cfg, you need to pass it by reference and not by value (i.e. use &psy_cfg here and a pointer as argument of bq256xx_parse_dt). Providing psy_cfg like this creates a copy of the struct.
ACK, understood.
Did you runtime test this version? It should crash when accessing the properties because of psy_cfg.drv_data being NULL.
ACK, I did not, my mistake. v10 will get tested on the actual hardware.
quoted
[...] + ret = bq256xx_power_supply_init(bq, psy_cfg, dev); + if (ret) { + dev_err(dev, "Failed to register power supply\n"); + return ret; + }Here it's also better to just provide the address of psy_cfg (but not strictly necessary). -- Sebastian
Thanks, Ricardo