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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