Messages in this thread |  | | From | Daniel Kurtz <> | Date | Mon, 21 Dec 2015 12:07:58 +0800 | Subject | Re: [PATCH 2/3] thermal: Add Mediatek thermal controller support |
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Hi Sascha,
One nit below that can be fixed up later, or now if you don't plan to spin this driver to address Eduardo's feedback...
On Mon, Nov 30, 2015 at 7:42 PM, Sascha Hauer <s.hauer@pengutronix.de> wrote: > This adds support for the Mediatek thermal controller found on MT8173 > and likely other SoCs. > The controller is a bit special. It does not have its own ADC, instead > it controls the on-SoC AUXADC via AHB bus accesses. For this reason > we need the physical address of the AUXADC. Also it controls a mux > using AHB bus accesses, so we need the APMIXEDSYS physical address aswell. > > Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
[snip]
> +static int mtk_thermal_get_calibration_data(struct device *dev, struct mtk_thermal *mt) > +{ > + struct nvmem_cell *cell; > + u32 *buf; > + size_t len; > + int i, ret = 0; > + > + /* Start with default values */ > + mt->adc_ge = 512; > + for (i = 0; i < MT8173_NUM_SENSORS; i++) > + mt->vts[i] = 260; > + mt->degc_cali = 40; > + mt->o_slope = 0; > + > + cell = nvmem_cell_get(dev, "calibration-data"); > + if (IS_ERR(cell)) { > + if (PTR_ERR(cell) == -EPROBE_DEFER)
It is useful to know why the thermal driver is being probe defered, so I suggest here: dev_warn(dev, "Waiting for calibration data.\n");
> + return PTR_ERR(cell); > + return 0; > + }
Thanks, -Dan
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