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Staging: olpc_dcon: more big endian conformity 

Using an int which is casted to unsigned char as inbuf is messy.
The code won't work on big endian systems.  The patch should fix
this.

Signed-off-by: Jens Frederich <jfrederich@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jens Frederich 2013-08-15 21:40:01 +02:00 committed by Greg Kroah-Hartman
parent 98d4f93c79
commit 24b7ed475e
1 changed files with 7 additions and 6 deletions
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13
drivers/staging/olpc_dcon/olpc_dcon.c
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@ -122,12 +122,13 @@ err:
static int dcon_bus_stabilize(struct dcon_priv *dcon, int is_powered_down)
{
unsigned long timeout;
u8 pm;
int x;
power_up:
if (is_powered_down) {
x = 1;
x = olpc_ec_cmd(EC_DCON_POWER_MODE, (u8 *)&x, 1, NULL, 0);
pm = 1;
x = olpc_ec_cmd(EC_DCON_POWER_MODE, &pm, 1, NULL, 0);
if (x) {
pr_warn("unable to force dcon to power up: %d!\n", x);
return x;
@ -144,8 +145,8 @@ power_up:
if (x < 0) {
pr_err("unable to stabilize dcon's smbus, reasserting power and praying.\n");
BUG_ON(olpc_board_at_least(olpc_board(0xc2)));
x = 0;
olpc_ec_cmd(EC_DCON_POWER_MODE, (u8 *)&x, 1, NULL, 0);
pm = 0;
olpc_ec_cmd(EC_DCON_POWER_MODE, &pm, 1, NULL, 0);
msleep(100);
is_powered_down = 1;
goto power_up; /* argh, stupid hardware.. */
@ -208,8 +209,8 @@ static void dcon_sleep(struct dcon_priv *dcon, bool sleep)
return;
if (sleep) {
x = 0;
x = olpc_ec_cmd(EC_DCON_POWER_MODE, (u8 *)&x, 1, NULL, 0);
u8 pm = 0;
x = olpc_ec_cmd(EC_DCON_POWER_MODE, &pm, 1, NULL, 0);
if (x)
pr_warn("unable to force dcon to power down: %d!\n", x);
else