misc: ti-st: remove ptr from recv functions

ptr is the same as data, so use ptr directly as a parameter and drop the
useless local variable.

Likely, the two were introduced to have a different type. But 'char' and
'unsigned char' are the same in the kernel for a long time.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20230731080244.2698-10-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/misc/ti-st/st_core.c b/drivers/misc/ti-st/st_core.c
index 3899012..e2add50 100644 (file)
--- a/drivers/misc/ti-st/st_core.c
+++ b/drivers/misc/ti-st/st_core.c
@@ -224,9 +224,8 @@ static inline void st_wakeup_ack(struct st_data_s *st_gdata,
  *     CH-8 packets from FM, CH-9 packets from GPS cores.
  */
 static void st_int_recv(void *disc_data,
-       const unsigned char *data, long count)
+       const unsigned char *ptr, long count)
 {
-       char *ptr;
        struct st_proto_s *proto;
        unsigned short payload_len = 0;
        int len = 0;
@@ -235,7 +234,6 @@ static void st_int_recv(void *disc_data,
        struct st_data_s *st_gdata = (struct st_data_s *)disc_data;
        unsigned long flags;
 
-       ptr = (char *)data;
        /* tty_receive sent null ? */
        if (unlikely(ptr == NULL) || (st_gdata == NULL)) {
                pr_err(" received null from TTY ");

diff --git a/drivers/misc/ti-st/st_kim.c b/drivers/misc/ti-st/st_kim.c
index f2f6cab..8c80189 100644 (file)
--- a/drivers/misc/ti-st/st_kim.c
+++ b/drivers/misc/ti-st/st_kim.c
@@ -128,15 +128,13 @@ static inline int kim_check_data_len(struct kim_data_s *kim_gdata, int len)
  *     tty_receive and hence the logic
  */
 static void kim_int_recv(struct kim_data_s *kim_gdata,
-       const unsigned char *data, long count)
+       const unsigned char *ptr, long count)
 {
-       const unsigned char *ptr;
        int len = 0;
        unsigned char *plen;
 
        pr_debug("%s", __func__);
        /* Decode received bytes here */
-       ptr = data;
        if (unlikely(ptr == NULL)) {
                pr_err(" received null from TTY ");
                return;