On 27.11.2012 01:39, Stephen Warren wrote:
> Clock names shouldn't be passed in platform data; instead, clk_get()
> should be passed the device object and device-relative (i.e. not global)
> clock name. I expect if the driver is fixed to make this change, the
> changes to tegra*_clocks_data.c won't be needed either.
Isn't this code doing exactly that - getting a device relative clock,
nvhost_module_init() in nvhost.acm.c:
(...)
/* initialize clocks to known state */
while (pdata->clocks[i].name && i < NVHOST_MODULE_MAX_CLOCKS) {
long rate = pdata->clocks[i].default_rate;
struct clk *c;
c = devm_clk_get(&dev->dev, pdata->clocks[i].name);
if (IS_ERR_OR_NULL(c)) {
dev_err(&dev->dev, "Cannot get clock %s\n",
pdata->clocks[i].name);
return -ENODEV;
}
rate = clk_round_rate(c, rate);
clk_prepare_enable(c);
clk_set_rate(c, rate);
clk_disable_unprepare(c);
pdata->clk[i] = c;
i++;
}
(...)
Without the clock changes, the clocks in board files are now assigned to
devid "tegra_grhost". I guess the correct way to do this would be to
assign them to "tegra-gr2d" (2d, epp) and "host1x" - except if we also
want to drop "tegra-" from the device name.
Terje
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