greybus: use little-endian in PWM requests

The PWM config request defines two 32-bit values using u32. All
over-the-wire values have to be in little-endian format.  Fix this.

Signed-off-by: Alex Elder <elder@linaro.org>
Acked-by: Matt Porter <mporter@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

diff --git a/drivers/staging/greybus/pwm-gb.c b/drivers/staging/greybus/pwm-gb.c
index bd1379f4400fe5095c0a6f7c05e4103e64796306..9678b6431760625a8d3fd865935792160df0404b 100644 (file)
--- a/drivers/staging/greybus/pwm-gb.c
+++ b/drivers/staging/greybus/pwm-gb.c
@@ -62,8 +62,8 @@ struct gb_pwm_deactivate_request {
 
 struct gb_pwm_config_request {
        __u8    which;
-       __u32   duty;
-       __u32   period;
+       __le32  duty;
+       __le32  period;
 };
 
 struct gb_pwm_polarity_request {
@@ -152,8 +152,8 @@ static int gb_pwm_config_operation(struct gb_pwm_chip *pwmc,
                return -EINVAL;
 
        request.which = which;
-       request.duty = duty;
-       request.period = period;
+       request.duty = cpu_to_le32(duty);
+       request.period = cpu_to_le32(period);
        return gb_operation_sync(pwmc->connection, GB_PWM_TYPE_CONFIG,
                                 &request, sizeof(request), NULL, 0);
 }