Input: ads7846 - fix sparse endian warnings

Also remove the temporary pointer and use ->rx_buf directly.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 907a45fe9d40f5a828bd002ecd8d05d1562d353a..4d060321514f9a63b53e96a0ae069f57fcfc051d 100644 (file)
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -633,19 +633,17 @@ static void ads7846_rx_val(void *ads)
        struct ads7846 *ts = ads;
        struct spi_message *m;
        struct spi_transfer *t;
-       u16 *rx_val;
        int val;
        int action;
        int status;
 
        m = &ts->msg[ts->msg_idx];
        t = list_entry(m->transfers.prev, struct spi_transfer, transfer_list);
-       rx_val = t->rx_buf;
 
        /* adjust:  on-wire is a must-ignore bit, a BE12 value, then padding;
         * built from two 8 bit values written msb-first.
         */
-       val = be16_to_cpu(*rx_val) >> 3;
+       val = be16_to_cpup((__be16 *)t->rx_buf) >> 3;
 
        action = ts->filter(ts->filter_data, ts->msg_idx, &val);
        switch (action) {
@@ -659,7 +657,7 @@ static void ads7846_rx_val(void *ads)
                m = ts->last_msg;
                break;
        case ADS7846_FILTER_OK:
-               *rx_val = val;
+               *(u16 *)t->rx_buf = val;
                ts->tc.ignore = 0;
                m = &ts->msg[++ts->msg_idx];
                break;