[PATCH 2/3] ARM: tegra: paz00: export the WIFI rfkill gpio
Sergei Shtylyov
sshtylyov at mvista.com
Fri Jul 15 13:25:00 EDT 2011
Hello.
Stephen Warren wrote:
>> This makes the WIFI rfkill gpio available to userspace. On boot,
>> WIFI will be unblocked by default.
> ...
>> +static void __init paz00_wifi_init(void)
>> +{
>> + int ret;
>> +
>> + /* unlock hw rfkill */
>> + ret = gpio_request_one(TEGRA_WIFI_PWRN, GPIOF_OUT_INIT_HIGH,
>> + "wifi pwrn");
>> + if (ret) {
>> + pr_warning("WIFI: could not requestrfkill gpio\n");
>> + return;
>> + }
>> + gpio_export(TEGRA_WIFI_PWRN, 0);
>> +};
>
> Wouldn't you want to skip the gpio_export() call if the gpio_request()
> call failed?
I think that's what he does -- there's a *return* statement.
WBR, Sergei
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