[xen staging] drivers/exynos4210: Remove unused-but-set variable

[patchbot@xxxxxxx]

commit da28439ba55b8a571032b3358af567cff749f612
Author:     Michal Orzel <michal.orzel@xxxxxxx>
AuthorDate: Wed Apr 27 11:49:41 2022 +0200
Commit:     Stefano Stabellini <stefano.stabellini@xxxxxxxxxx>
CommitDate: Wed Apr 27 15:28:02 2022 -0700

    drivers/exynos4210: Remove unused-but-set variable
    
    Function exynos4210_uart_init_preirq defines and sets a variable
    divisor but does not make use of it. Remove the definition and comment
    out the assignment as this function already has some TODOs.
    
    Signed-off-by: Michal Orzel <michal.orzel@xxxxxxx>
    Acked-by: Julien Grall <jgrall@xxxxxxxxxx>
    Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/drivers/char/exynos4210-uart.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/xen/drivers/char/exynos4210-uart.c 
b/xen/drivers/char/exynos4210-uart.c
index fa7dbc0391..43aaf02e18 100644
--- a/xen/drivers/char/exynos4210-uart.c
+++ b/xen/drivers/char/exynos4210-uart.c
@@ -101,7 +101,6 @@ static void exynos4210_uart_interrupt(int irq, void *data, 
struct cpu_user_regs
 static void __init exynos4210_uart_init_preirq(struct serial_port *port)
 {
     struct exynos4210_uart *uart = port->uart;
-    unsigned int divisor;
     uint32_t ulcon;
 
     /* reset, TX/RX disables */
@@ -113,9 +112,12 @@ static void __init exynos4210_uart_init_preirq(struct 
serial_port *port)
     /* Line control and baud-rate generator. */
     if ( uart->baud != BAUD_AUTO )
     {
-        /* Baud rate specified: program it into the divisor latch. */
-        divisor = ((uart->clock_hz) / (uart->baud)) - 1;
-        /* FIXME: will use a hacked divisor, assuming the src clock and bauds 
*/
+        /*
+         * TODO: should be updated
+         * Baud rate specified: program it into the divisor latch.
+         * divisor = ((uart->clock_hz) / (uart->baud)) - 1;
+         * FIXME: will use a hacked divisor, assuming the src clock and bauds.
+         */
         exynos4210_write(uart, UFRACVAL, 53);
         exynos4210_write(uart, UBRDIV, 4);
     }
--
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