[PATCH] serial: jsm: Change n to unsigned int

Mohammad Mahfooz
2023-02-21T01:04:01Z

Change n to an unsigned int and remove casts from min()s.

Signed-off-by: Mohammad Mahfooz <mohammadmahfoozpersonal@gmail.com>
---
drivers/tty/serial/jsm/jsm_neo.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/serial/jsm/jsm_neo.c b/drivers/tty/serial/jsm/jsm_neo.c
index 4cce1e423b06..394121870436 100644
--- a/drivers/tty/serial/jsm/jsm_neo.c
+++ b/drivers/tty/serial/jsm/jsm_neo.c
@@ -277,7 +277,7 @@ static void neo_copy_data_from_uart_to_queue(struct jsm_channel *ch)
int qleft = 0;
u8 linestatus = 0;
u8 error_mask = 0;
- int n = 0;
+ u32 n = 0;
int total = 0;
u16 head;
u16 tail;
@@ -342,15 +342,15 @@ static void neo_copy_data_from_uart_to_queue(struct jsm_channel *ch)
break;

/* Make sure we don't go over the end of our queue */
- n = min(((u32) total), (RQUEUESIZE - (u32) head));
+ n = min(total, RQUEUESIZE - head);

/*
* Cut down n even further if needed, this is to fix
* a problem with memcpy_fromio() with the Neo on the
* IBM pSeries platform.
- * 15 bytes max appears to be the magic number.
+ * 12 bytes max appears to be the magic number.
*/
- n = min_t(u32, n, 12);
+ n = min(n, 12U);

/*
* Since we are grabbing the linestatus register, which
--
2.34.1