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drivers/usb/typec/tps6598x.c: fix 4CC cmd write

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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.

Fixes: 0a4c005bd1 ("usb: typec: driver for TI TPS6598x USB Power Delivery controllers")
Signed-off-by: Nikolaus Voss <nikolaus.voss@loewensteinmedical.de>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nikolaus Voss 2019-06-28 11:01:09 +02:00 committed by Greg Kroah-Hartman
parent 05da75fc65
commit 2681795b5e
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/typec/tps6598x.c
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@ -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, 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]; 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 static inline int
tps6598x_write_4cc(struct tps6598x *tps, u8 reg, const char *val) 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) static int tps6598x_read_partner_identity(struct tps6598x *tps)