Hi,
On 2020년 01월 07일 22:22, Tom Rini wrote:
On Tue, Jan 07, 2020 at 02:25:02PM +0900, Seung-Woo Kim wrote:
...
drivers/serial/usbtty.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/serial/usbtty.c b/drivers/serial/usbtty.c index f1c1a260da..54e67dd0d1 100644 --- a/drivers/serial/usbtty.c +++ b/drivers/serial/usbtty.c @@ -48,6 +48,8 @@ #define CONFIG_USBD_DATA_INTERFACE_STR "Bulk Data Interface" #define CONFIG_USBD_CTRL_INTERFACE_STR "Control Interface"
+typedef struct { __le16 val; } __attribute__((aligned(16))) __le16_packed;
/*
- Buffers to hold input and output data
*/ @@ -372,14 +374,15 @@ static int fill_buffer (circbuf_t * buf); void usbtty_poll (void);
/* utility function for converting char* to wide string used by USB */ -static void str2wide (char *str, u16 * wide) +static void str2wide (char *str, void *wide) { int i;
- __le16_packed *tmp = wide; for (i = 0; i < strlen (str) && str[i]; i++){ #if defined(__LITTLE_ENDIAN)
wide[i] = (u16) str[i];
tmp[i].val = (u16) str[i];
wide[i] = ((u16)(str[i])<<8);
tmp[i].val = ((u16)(str[i])<<8);We generally don't want packed structs and do need to disable this warning in general. Is this _really_ a problem, or are we just silencing the compiler here? Thanks!
The change makes just silence for the warnings as like composite.c in usb gadget.
Regards, - Seung-Woo Kim