On Fri, Jun 28, 2019 at 10:12:35AM +0200, Nikolaus Voss wrote:
> 1. Portinfo bit field is 3 bits wide, not 2 bits. This led to
> a wrong driver configuration for some tps6598x configurations.
>
> 2. Writing 4CC commands with tps6598x_write_4cc() already has
> a pointer arg, don't reference it when using as arg to
> tps6598x_block_write(). Correcting this enforces the constness
> of the pointer to propagate to tps6598x_block_write(), so add
> the const qualifier there to avoid the warning.
Like Greg said, if please supply separate patches. Also, if these are
fixes, then please mark them as such with appropriate tags:
Fixes: ....
Cc: stable@...
> Signed-off-by: Nikolaus Voss <nikolaus.voss@xxxxxxxxxxxxxxxxxxxxx>
> ---
> drivers/usb/typec/tps6598x.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/usb/typec/tps6598x.c b/drivers/usb/typec/tps6598x.c
> index c674abe3cf99..a38d1409f15b 100644
> --- a/drivers/usb/typec/tps6598x.c
> +++ b/drivers/usb/typec/tps6598x.c
> @@ -41,7 +41,7 @@
> #define TPS_STATUS_VCONN(s) (!!((s) & BIT(7)))
>
> /* TPS_REG_SYSTEM_CONF bits */
> -#define TPS_SYSCONF_PORTINFO(c) ((c) & 3)
> +#define TPS_SYSCONF_PORTINFO(c) ((c) & 7)
>
> enum {
> TPS_PORTINFO_SINK,
> @@ -127,7 +127,7 @@ tps6598x_block_read(struct tps6598x *tps, u8 reg, void *val, size_t len)
> }
>
> static int tps6598x_block_write(struct tps6598x *tps, u8 reg,
> - void *val, size_t len)
> + const void *val, size_t len)
> {
> u8 data[TPS_MAX_LEN + 1];
>
> @@ -173,7 +173,7 @@ static inline int tps6598x_write64(struct tps6598x *tps, u8 reg, u64 val)
> static inline int
> tps6598x_write_4cc(struct tps6598x *tps, u8 reg, const char *val)
> {
> - return tps6598x_block_write(tps, reg, &val, sizeof(u32));
> + return tps6598x_block_write(tps, reg, val, 4);
> }
>
> static int tps6598x_read_partner_identity(struct tps6598x *tps)
> --
> 2.17.1
thanks,
--
heikki
